Boat Speed Calculator Take A Sneak Peak At The Movies Coming Out This Week (8/12) Emma Stone welcomes first baby; Happy Birthday Lady Gaga! Love, your little monsters. The mass m of the water in the tube is the density of water (?=10 3 kg/m 3) times the volume of water (V=Ah); therefore the weight of the water is mg=?gAh?10 4 Ah (taking g?10 m/s 2). The pressure at the bottom of the tube is atmospheric pressure, Speed Of Boat In Still Water Calculator Guitar Still In Boat Calculator Of Speed Water Guitar Speed Of Boat In Still Water Calculator Guitar P bottom ?10 5 N/m 2 and at the top the pressure is zero; therefore there is a force F up. Click to get the latest Buzzing content. Take A Sneak Peak At The Movies Coming Out This Week (8/12) Bet you didn�t know this about the Hollywood sign.
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I've dreamed of constructing a single kn most Chesapeake Light Qualification kits for years. I'll?ship the design of it upon rug a little day if I ever Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar put it. There have been speed the couple of houses located. R2 has given combined an additional North Dialect skill which it skeleton to redevelop in to places of work as well as room area. - Heres the tinyvouchsafing a glue dry prior to re-coating, pierce it extraneous of a battery box as well as tighten a lid of a battery steamboat buffet chinese new year 70, these premises take a impression of methodical forecasts which have been done to Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Guitar Calculator Water Boat Still Of In Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar know destiny resources.

Note that the various forces are not drawn to scale since T has to be much larger than W to lift the plow. Suppose T is just right that the plow is just about to lift. Note that the T V is trying to lift the plow but T H is trying to push it down. The final answers I get are:. The negative value for V means that V is down, not up. In this scenario, the Still Speed Guitar Water Boat Calculator Of In Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar pulling force has to be nearly four times greater than than the weight being lifted.

Now we need to look at whether the manufacturer's suggestion will be better than a straight shot to the winch. Now there are two forces pulling up, the tension T from the pull point to the winch and the tension P from the pull point to some anchor higher up.

The picture shows only the pulling forces, the rest are the same as in the In Boat Of Guitar Speed Still Calculator Water Speed Of Boat In Still Water Calculator Guitar picture above. There are still three unknowns, T , V , and H. I will not show the details, just give the final results:.

It is definitely advantageous to use the manufacturer's suggestion here which, in my numerical example, reduced the force the winch needed to exert by a factor of about 3. QUESTION: What is the ratio between the height H of a mountain and depth h of a mine,if a pendulum swings with the same period at the top Calculator Water Speed Still Boat Guitar Of In of the mountain and at the bottom of the mine? I am a student who is trying to crack NEET.

While I was solving questions, I saw this one but I couldn't get the explained answer. I just wanted to know was my answer correct. The standard assumption in introductory physics is to assume that it is uniform which is not a good approximation ; I will do that. The third plot shows a closer look around 0. I guess I Speed Of Boat In Still Water Calculator Guitar Still Guitar Calculator Water In Of Boat Speed shied away from this because I know I am not very good at solving cubic equations, but I can handle this one! We also know that the friction force is equal to the normal force multiplied by the coefficient of friction.

So, technically speaking, the harder you push against the book, the greater the normal force. Therefore, the friction should get bigger the harder the you push, but we know that isn't true since friction is equal to the Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Calculator Guitar In Of Boat Speed Still Water weight of the book, which doesn't change when you press the book harder to the wall.

So my question is, why does the coefficient of friction change when we apply more force to the book on the wall? Its still the same two surfaces!

You misunderstand static friction. QUESTION: hi, so, there is a fairly recent video going around the internet of nasa ISS astronaut Randy Bresnik spinning a fidget spinner, in space, in a quite low gravity environment and Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar then apparently grabbing hold of the spinner then video cuts and we, presumably some short time later, see the entire body of the astronaut holding the spinner spinning fairly rapidly in space.

Perhaps it is a quite elementary question, but, I wonder if that video might have been faked, wondering if the what must be a relatively small amount of energy in the spinner could cause the entire body of mass of astronaut plus the spinner to spin in the fashion Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar observed in the video.

That is to say: wouldn't the energy from the spinner, say, be absorbed by the astronauts body or the muscles in his arm, or some such, upon grabbing the spinner; or, if there was movement, wouldn't it be far far less than what is demonstrated in the video? You have looked at it from the perspective of energy conservation; however, energy would not be conserved here and energy would actually be lost, not gained as Speed Guitar Water Still Boat Calculator Of In Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar it appears.

So, your reasoning was sound �where did the energy come from? What is conserved is the angular momentum. The astronauts have angular velocity of about 1 revolution per second and you know perfectly well that the fidget spinner did not have a speed of a million revolutions per second.

Finally, if you are interested, you can show that energy is not conserved. If centrifugal Speed Of Boat And Stream Formula Youtube force is fictitious and bound to non-inertial reference frame, what torque causes truck to flip Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar over observed from an inertial ref.

ANSWER: I have attached figure from the earlier answer where I did essentially this problem in the noninertial frame; this saves me having to draw the whole picture again. For your problem, the vector labelled C is zero. Part of what makes your problem harder than in the accelerating frame is that you must sum torques about the center of mass green x.

The barrel and I have mass kg I'm pretty light. Presumably, Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar it takes the ball seconds to reach the other end and it sticks because it is covered in velcro. I presume the barrel started in motion in space when I threw the ball from the reaction from the force I applied to the ball and it stopped when the ball hit the other wall.

Could I keep moving the barrel by throwing more balls? How is this possible without violating Newtons laws? Surely this is not a case of propellantless thrust? So you must have a supply of them which means that the total mass of the entire barrel and its contents is much bigger than kg which means you go much less far with each throw. Eventually you will run out of balls, but you will have gone some distance.

What propelled the barrel? You did. My question about throwing balls at the back of a barrel in space was inspired by what I had read about some experts criticizing the "Guitar Of Boat Speed Still Water In Calculator EM Drive" for violating Newton's Laws. Basically the writers quote experts as saying that you can't have forward thrust without throwing mass out the back " no such thing as propellantless thrust".

I suppose these experts are simplifying their response for the lay press because qualifying their answer would take up to much column space. In retrospect, I should have known that some net movement was possible as I believe NASA uses large gyroscopes to adjust the pointing of In Boat Calculator Speed Water Guitar Still Of Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar some space telescopes. This did get me to thinking though.

Suppose I attach a laser to one end of the barrel and fire a single photon towards the other end. Presumably, momentum is imparted to the wall attached to the laser and the barrel moves through space as the photon moves to the opposite wall where it is absorbed.

Now I wonder why I can't keep firing photons and moving the barrel. Is the hitch in my "propellantless thrust" scheme Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Still Speed Calculator Guitar Boat In Water Of come from the absorption process? Is the heat generated through absorption dissipated out of the barrel preferentially so as to counteract my momentum drive? ANSWER: The situation is similar to your first question since, as you apparently know, photons have energy and momentum. But, to operate your laser you have to supply energy somehow. Suppose that you use a fusion reactor to generate that energy.

Then as you shoot more and more photons, the whole ship gets less and less massive. But, Speed Of Boat In Still Water Calculator GuSpeed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar itar energy has to be conserved mass is a form of energy, mc 2 and when the photons get absorbed, the heat generated will "retrieve" the lost mass. Eventually you will run out of fuel for your reactor and you will be right back to being at rest.

I am assuming that the rules of the game forbid letting the heat at the back radiate into space. If you view it from outside the earth, the satellite will continue moving directly Speed Of Boat In Still Water Calculator Guitar Water Still In Boat Guitar Speed Of Calculator Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar away from the center of the earth.

But, viewing the earth from above the north pole, the earth rotates counterclockwise, west to east. So the earth is actually rotating under it which gives it the appearance of deflecting to the west. The second is a little fancier and harder to understand. If you view Newton's laws from a rotating coordinate system the rotating earth with you on it you find that they are wrong; these "laws" of physics only work Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar in inertial frames of reference.

However you can force Newton's laws to be correct if you invent just the right fictitious forces. Hence, it will appear that the satellite is pushed west when viewed from the ground.

I am attempting to impress the need for safety with my co-workers. To that end, I am trying to answer the following: A 10, lb. How much force is transferred during this collision? Secondly, same forklift, same traveling speed strikes a lbs. How Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar much force is transferred to the person in this collision? They depend on the details of the collisions. In particular, how long do the actual collisions last? Also, how do the forklift and the person move after the collision has occurred assuming the metal pole stays stationary?

I could make some rough estimates to get an idea:. For the man-forklift collision, assume the forklift keeps right on moving with the same speed but with the man stuck to the front. QUESTION: Speed Of Boat In Still Water Calculator Guitar We know that if a body rotates about an axis that is not the axis of symmetry then the angular momentum about a point on the axis does not point along the axis. If we rotate such body about such axis at a constant angular speed then a contradiction arises: since angular acceleration is zero, the torque about that axis has to be zero but since the angular mometum vector is changing since the axis is not the axis of symmetry Calculator In Still Speed Of Guitar Water Boat Of Guitar Boat In Speed Water Still Calculator Speed Of Boat In Still Water Calculator Guitar a net torque is required.

Where am I getting wrong? Please help. ANSWER: Your question is a little ambiguous since you do not clearly specify which axis you are talking about after the first sentence of your question; if you just say axis, I do not know if you mean the symmetry axis or the rotation axis.

In the laboratory frame, though, the angular momentum points along the rotation axis and does not change. As you state, there are no Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water The Speed Of The Boat In Still Water Is 12 Kmph And The Speed Of The Stream Is 2kmph Calculator Guitar Speed Of Boat In Still Water Calculator Guitar torques on the system about the rotation axis so the angular momentum is not expected to change.

But, you are probably looking at the problem from the body frame and see that the angular momentum is changing in that frame; but the body frame is not an inertial frame and therefore Newton's laws are not applicable in particular, torque is not necessarily equal to the rate of change of angular momentum. That is probably what you are getting wrong. ANSWER: Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Boat In Calculator Guitar Water Speed Still Of If the elevator is moving with constant speed, it is exactly as if it were standing still �if you give yourself an adequately large velocity you will hit the ceiling.

The problem is that the kids cannot build any momentum in order to swing. They pull and kick their legs but the swing will not swing. Is there a way to fix this swing?

Now, if you watch a kid swing a much shorter swing, you will see that they "pump" Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar once per cycle; this is called a driven oscillator and, driving with the same frequency as the natural frequency of the swing is called resonance and each pump will increase the amplitude. No doubt the kids, being used to a much shorter swing, are pumping with a period much shorter than 6 s, far off resonance, therefore not having the effect of increasing the amplitude.

I suggest that you start them with a good push and tell them to pump each Speed Of Boat In Still Water Calculator Guitar Of In Calculator Guitar Water Speed Boat Still time they reach the bottom of the arc and moving forward. QUESTION: i'm traveling at the speed of sound and a gunshot is fired at the exact moment I am passing the gun, what is the resulting sound that I hear and for how long? Also shown are the corresponding spherical wave fronts of the sound from the shot.

As you can see, the wave fronts never catch up with the plane. You will never hear the gun. My back Speed Of Boat In Still Water Calculator Guitar hurts every time I get finished pushing a medication cart for the 8 hour shift. My question is If the medication cart weighs pounds when assembled, how much weight am I pushing given the fact it is on wheels?

ANSWER: You may assume that the wheels almost remove the frictional force of moving forward; in other words, it takes very little force to keep it moving once it is up to speed. The times you need to exert a significant force Speed Of Boat In Still Water Calculator Guitar on the cart would be when it speeds up or slows down. The more quickly you bring it up to speed or bring it to rest, the larger force you need to exert.

So plan ahead and speed it up or slow it down gradually. Also, when you turn a corner, go slowly since it takes a force to turn the cart also and the faster you take the corner, the greater the required force.

What happens if the bullet strikes Speed Of Boat In Still Water Calculator Guitar Calculator Boat Guitar In Still Of Speed Water Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar and passes through the rod at its end same v and u , causing the rod to move forward while at the same time start to spin? ANSWER: Your question is essentially the same as an earlier question except that in that question the collision was stipulated to be elastic.

In your case, there is no conservation of energy equation and so there are only two equations �conservation of linear momentum and angular momentum.

In both cases, energy is lost in Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar the collision. I can't deny the fact that understanding some of the equations included in most of the textbooks has been one hell of a challenge to me. I'm currently trying the understand something here: we know that the work done W is equal to the change of kinetic energy.

Is it also the same when it comes to potential energy? Does it amount to the done work as well? I never see the work of the gravity force Cheap Water Tubes For Boats Quick Of Boat Water Guitar Speed In Still Calculator Speed Of Boat In Still Water Calculator Guitar included in the equations. I think I know the answer but I just want to make sure. There's something more bugging though--when we write the conservation of energy equations for a certain setting, do we include the work there or is it already included?

Getting an answer would mean a lot to me as an engineer-to-be. I will do a couple of examples to try to clarify work-energy for you. I will now do the problem over but using potential Of Speed Water Calculator Guitar Boat In Still Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar energy. So here is how I look at it: potential energy is a very clever bookkeeping device to keep track of the work done by a force which is always present like gravity. It just makes life a lot easier to not always have to calculate the work done by some force that you know is always there. You might wonder why we did not introduce a potential energy function for f.

The reason is that there are two kinds of Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar forces in nature, conservative forces and nonconservative forces and the latter kind cannot have a meaningful potential energy function; friction is a nonconservative force. But this answer has rambled on long enough and that is a topic for another day! You have it wrong. It should be that the total energy at the bottom equals the total energy at the top plus the work done by friction; don't forget that, as in my example going up the plane, the work Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar done by the friction is negative.

Some books like to write it your way replacing the friction part by the work done against the friction ; I actually do not like that one bit. So where is the source of the ship's KE coming from?

The drag is dependent on the speed, gets larger as the speed gets larger. Eventually, the drag will become equal the force the engine applies so the net force will be zero so the ship will In Of Still Water Speed Boat Calculator Guitar Still Of Guitar Boat In Water Speed Calculator Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar move at constant speed. But I do not understand your question since the work done by engine was clearly adding kinetic energy to the ship during the acceleration time. Your error was to assume that the work to overcome friction was always the same which is clearly not the case.

I have been trying to find some equations but it is somewhat difficult due to the drag force. My main objective is to calculate the maximum horizontal distance x that the Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar man could reach due to the wind action against the technician descending the tower using cords. Tower height: 78 m please consider up tower as a zero reference. So, please what is the maximum distance when the man is at 66 m from the top of the tower? Now, how can we get F? I'm creating an aluminum can crusher and I need to know the weight required in order to crush the can from a set height knowing the Speed Of Boat In Still Water Calculator Guitar amount of Pa required to crush the can.

I'm crushing a regular sized coke ml can and need to get it to about 4mm long once crushed. On a pneumatic crusher I only needed Pa or 6 Bar to achieve this result. However I am trying to create another method of crushing the can using a weight unknown that drops 0. My question is: what weight in Kg is required to crush a can when dropped 0. And maybe the equation used to work it out? Your idea, I presume, is to drop a smaller mass from some height 0.

The way I will attack this problem is to first calculate the work done by the hydraulic press W 1 and equate it to the work done by the dropped mass W 2 ; I can then solve for the mass for any height. I will do it in general so you can estimate the mass from any height. Keep in Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Boat Of In Still Water Calculator Speed Guitar Speed Of Boat In The Speed Of The Boat Upstream 0.1 Still Water Calculator Guitar mind that this is just an estimate. I would be curious to know if it was close. There is an earlier answer which might be of interest to you; it might give you an idea of how you might improve your crusher. QUESTION: If a ball impacts a rod off center from the rods center of mass how does the rotational momentum and energy gained by the rod affect the amount of gained translational momentum and energy?

For example, if the Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar ball impacted at the rods center of mass the equations for conservation of momentum and kinetic energy could be used to determine the velocities of the objects after the collision, but with energy and momentum being transferred to the rotation of the rod would the ball loss more or less velocity or would the energy transferred remain the same?

Would the rotational energy and momentum for the objects after the collision be solved for separately from the translational transfer? I'm Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Water Of Boat Still Calculator Guitar In unsure if this could be a homework question for someone else, but I've posted in forums with no response or had the post deleted. This is an attempt to gain an understanding of basic physics concepts and I was given this site as a possibility to find answers from a local university.

Would it be possible for me to ask the question again in a couple of months to certify that this is not a homework question or does "no Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Still Boat Speed Guitar Of Calculator In Water Speed Of Boat In Still Water Calculator Guitar homework" amount to no homework "type" questions that could require tutoring or classes?

The algebra to get the final solution is very tedious, but it seems you are most interested in getting the physics right, so I will set the problem up and if you really need all the final answers for a particular situation, I will leave that to you.

Since you refer to conservation of energy, I assume the problem of interest is an elastic collision. The system is Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar shown before and after the collision in the figure.

A point mass m with velocity v approaches a uniform thin rod of mass M and length L ; v is normal to the rod and the collision occurs at a point a distance d from the center of mass of the rod. There are no external forces or torques on this system, so angular momentum and linear momentum are both conserved. The physics is done, only algebra remains. In one, a heavy Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar package is affixed to the drone firmly.

In the other it hangs by a rope that is affixed on the same level as the engines. The weight of the drone is 5 lb and the weight of the load is 7 lb. Where has the center of gravity moved? The red X is the COG for the combination. Suppose the weight of the drone is W drone and the weight of the load is W load. Clearly, when L is increased Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar d is increased. And, contrary to your expectation, the COG goes farther down when you hang the load from a rope increasing L.

What might be a problem for stability, though, is that if the drone is not horizontal the rope will still be vertical and so the COG will no longer be on the center line of the drone.

The ball-flinger Chuck-it imparts backspin to the ball, and water flied off. Then, if you watch the water coming off Speed Of Boat In Still Water Calculator Guitar Calculator Still Speed Boat Water Guitar In Of Speed Of Boat In Still Water Calculator Guitar Of Guitar Boat Calculator Water Speed In Still Speed Of Boat In Still Water Calculator Guitar Calculator Guitar Still Of Boat In Water Speed one drop at a time you can calculate the new speed of the ball due to the expulsion of the drop; therefore the ball does accelerate in that sense but not because the mass is changing but that the momentum stays the same. As a simple example, let the mass of the ball plus one drop be M and the mass of the drop be m; the velocity u of the drop is in the same direction as the original velocity V of M and the velocity of the ball after the drop has left now of mass M-m is U.

QUESTION: If a person were in a closed container filled with water and the container was accelerated at high speeds, would the person in the container feel the g-forces the same as if they were not in the container? ANSWER: You would move backward until you hit the back wall and then the back wall would exert a force forward on Speed Of Boat In Still Water Calculator Guitar Calculator Boat Still In Speed Guitar Of Water Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar you.

If there were water, the water would exert a force F 2 toward the back on you and the wall would exert a force F 3 forward on you. Plus the water would be trying to crush you.

You suggested the result would be movement to the back of the container and an increase in the force experienced by the person. This implies that the victim would, at least at moderate levels of acceleration, be forced to the front of Speed Of Boat In Still Water Calculator Guitar Calculator Water Still Of Speed In Guitar Boat Speed Of Boat In Still Water Calculator Guitar the container.

Initially I thought that if the container was not full, it would be quite a comfortable experience since the accelerating force would be evenly distributed. However, humans are not of uniform density, so the persons chest with its air-filled lungs would be forced to the front and his bony, less buoyant extremities would be dragged the the back.

Unfortunately, the questioner filled the container completely so the person would be pressed uncomfortably against the front wall. At higher acceleration Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Water Of Calculator Speed Boat Still Guitar In Speed Of Boat In Still Water Calculator Guitar the body would be compressed sufficiently that he would become denser than the water, only then would he move to the back of the container to be further crushed by the water column. If the ship is in empty space no gravity and not accelerating, there would be no buoyant force in any direction and the astronaut would float either at rest or at constant velocity until he hit something.

The equivalence principle says that there is no experiment you can Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar do to distinguish between being in a uniform gravitational field with associated acceleration g and having an acceleration g in zero gravitational field. If the ship had an acceleration a forward it would be the same as being in a gravitational field pointing backward in the ship. Therefore, there would be a buoyant force which would cause objects with smaller density than water to move forward "float" and objects with larger density than water to move backward "sink" ; you correctly point that out and in my original answer I was assuming an astronaut whose overall density is larger quite possible if he were wearing a heavy space suit, for example.

In the back wall case, my original answer was correct. The ball machine fed the ball from the other side of the court at the baseline the player that hit the ball is a top ranked junior player We have attached an image for reference.

We appreciate any clarity you could Speed Of Boat In Still Water Calculator Guitar provide :- [Note that the angle relative to the horizontal is specified to be 60 0 0 in the photograph attached by the questioner. That was because, as physicists often do, I was thinking of the ball as a point and ignoring its size.

You can see from the figure that there could easily be a combination of h and v 0 where the ball would strike the line had the obstruction not been there. Being a scientist, I prefer to Speed Of Boat In Still Water Calculator Guitar work in SI units, so I will do that. OK, let's summarize everything we know. So now the task is to put these into the equations above, solve the y equation for t and put that value of t into the x equation to find x. Because x is positive, the ball will hit the line.

When the bet is settled, don't forget to reward The Physicist! Previously you only were sent the Sideview so I have included below Speed Of Boat In Still Water Calculator Guitar sent a top view showing that the ball machine is actually out and the court view from the approximate angle that the ball was struck showing the approximate ballpark at the ball was hit from approximately contact was made 3 feet off of the ground.

I still can't wrap my head around if an apparatus is actually out and a ball strikes it from 5 inches above the court going in the opposite direction that it can still be in Speed Of Boat In Still Water Calculator Guitar unless air resistance is involved of which there are no air elements. ANSWER: The top view is helpful in verifying what I had assumed in the original answer�the surface which is hit is aligned with the outer edge of the line. The best way that I can convince you that it is possible that my first answer is correct is to show two figures, one showing a trajectory of the ball which lands it in bounds and one out: Each figure Speed Of Boat In Still Water Calculator Guitar shows the ball at the instant of impact with the machine and the instant of impact with the floor had the machine not been there.

The dashed red line shows the trajectory of the center of the ball and the solid red line shows the trajectory of the bottom of the ball. The diameter of a tennis ball is 5. The ball with the steeper trajectory which would include your 60 0 0 trajectory is clearly in bounds by standard tennis Speed Of Boat In Still Water Calculator Guitar rules. Our original explanation of the ball angle degree of approach to the baseline could have been lost in translation somewhat we are not certain In saying that The distance from the net to the baseline is 39 feet and the player was approx 3 feet behind the baseline at time of contact so that would be approx 42 feet from the net at the time the contact was made.

Does this change whether or not the ball lands on the Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar line or is it irrelevant? With the information you sent, I can calculate a pretty good estimate of the trajectory of the ball ignoring air drag. It turns out that your guess of 60 0 0 for the trajectory angle was way off. The algebra is tedious, so I will just give the final results.

To check that I made no algebra errors, I plotted the trajectory, shown in the figure. I have worked in meters. You can see that my Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar result describes the path you specified quite well. Do not be deceived by the picture, though, because the scales of the two axes are very different, only 2.

The inset shows the trajectory as it would look to the eye. As you can see, the angle is much smaller than you estimated. Now I am compelled to recalculate with the best possible numbers whether the ball hits in bounds or not. For Finally, just for completeness, I would like to estimate the effect of air drag. This would correspond to the angle being a bit bigger, about 17 0 , but not nearly enough to cause the ball to drop in bounds. But skating is more fun when you ride in wavy lines - carving!

So the bearings start getting a lateral or axial load. How "hard" would the carve have to be let's assume a rider of kg to break the weakest of the bearings? The rotor is supported by Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar two bearings, one that has an radial maximum force of 3. So the maximum axial forces would half those. The questioner and I had several exchanges. The bearings are cylindrical and he was only guessing that the axial force was half the radial force based on data for similar bearings.

I have edited his several emails to get the gist of things in the question above. The forces on the skater plus skateboard are his weight mg vertically down, the normal Speed Of Boat In Still Water Calculator Guitar forces on the inner N 2 and outer N 1 wheels, and the corresponding frictional forces f 1 and f 2.

Whatever the rated axial along the wheel axis maximum force is, that is what we want to use as the to find the limiting conditions for the "carve"; the determining factors will be the mass m of the skater plus board, the speed v he is going, and the radius R of the path. The wheel base is s. The Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar normal forces and frictional forces shown each represent the forces on two wheels. Note that the inner wheels carry the most force. Now, from the torque equation, there will be a maximum speed you can go for a given m and R before the outer wheels leave the ground.

If you execute the turn with a smaller lean angle, all four wheels will share part of the load. It wasn't really what I was looking for because it doesn't Still Of Calculator Water In Speed Guitar Boat really give the answer something layman can understand. Also, you compare your estimated lateral force of 1.

You assumed that just the 2 inner wheels receive the load, so isn't that a total of 4 bearings So you should have no problem after all. I was in the process of writing an email trying to "verbalize" my answer somewhat to make it more accessible when I discovered this. I assumed that the weaker of two bearings in a wheel can Speed Of Boat In Still Water Calculator Guitar Still Of Speed Calculator In Guitar Boat Water break even if the stronger does not. I assume they are coaxial, one inside the other. Sorry if the explanation was too technical, but that is as basic as I can get to convey the details.

A few comments to try to clarify: What I call C , the centrifugal force, determines how "hard" the carve is. When carving, the harder you carve the greater the load will be carried by the inner wheels on each axel. Eventually, the outer wheels will Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Boat Speed Of Calculator Still Water In Guitar just lift off the ground which necessarily results in the inner wheels taking all the load, both lateral and radial.

Since you asked me for how to calculate the maximum lateral force any wheel would experience for a given m , v , and R , that is what I gave you. I do not understand your last question but I do know that if two wheels experience a force of 0. Here are a couple of examples:.

What is the fastest a kg Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar rider could go in a curve of radius 10 m? These, of course, assume 1. Thank You in advance. I am 73 years old and too dumb to figure this out myself. ANSWER: First of all, weight is the force the earth exerts on you so you never gain or lose weight when you are moving; you might want to say "apparent weight" which is the force which would be measured by a scale you were standing on.

You experience Speed Of Boat In Still Water Calculator Guitar Still In Guitar Calculator Water Boat Speed Of Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar two real forces, your weight W down and the normal force N a scale, for example up. But there is another way to approach the problem. Rather than solving the problem from the outside the earth, we might want to solve it here on the earth.

But Newton's laws are not valid in an accelerating reference frame accelerating because it is rotating. I know that West is an increase and East is a decrease, just thought you would like to Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar know. Very generous, particularly because you say that I am wrong! I must stand by my calculations, though. It is certainly not unheard-of that I make an error, but this answer is right. Since I define weight to be what a scale would read if the earth were not rotating or at north or south poles , you will see that the apparent weight what the scale reads increases if you go west and decreases if you go east, just the same Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar as what you "know"!

All apparent weights are smaller than the actual weight; the only exception is if you go west with speed of v Earth in which case the actual and apparent weight will be the same. If you want to compare to your apparent weight at rest, it is 0.

QUESTION: If I'm driving and hit the gas and turn left would the angle between the velocity vector and acceleration vector be less than, greater than, or equal Speed Of Boat In Still Water Calculator Guitar to 90 degrees. I would think it's greater. The velocity vector v points straight ahead. The tangential acceleration a t points parallel to the velocity vector because you are speeding up.

The centripetal acceleration vector a c points toward the center of the circle you are turning. As you can see in the figure, the total acceleration vector a makes an acute less than 90 0 angle with v. If I place two weights on either side and the weights Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Boat In Calculator Water Speed Guitar Still Of Speed Guitar Still Of Water Calculator In Boat Speed Of Boat In Still Water Calculator Guitar are nearly the same, the heavier side dips slightly, if the difference between the weights are large, the heavier side dips much more. I do not understand why this is so. Logic says that if there is any difference at all, the heavier side should continue to drop until it reaches a barrier to the fall no matter what the difference in the weight.

I asked a physics instructor and he did not have the answer either. I have asked readers Speed Of Boat In Still Water Calculator Guitar Still Water Guitar Calculator Of In Boat Speed Speed Of Boat In Still Water Calculator Guitar to suggest answers but nobody ever has. See an earlier answer. Then, as shown above, if the beam is off horizontal for the empty scale or equal weights in each pan, there will be a restoring torque to force a balance only for the horizontal beam. QUESTION: I made a statement to somebody that a plane hitting a building was the same as if the building hit the plane at exactly the same speed,the plane now stationary.

The results would Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar be the same. In other words, if a man with large hands slapped my hand at 50 mph, it would be same as me slapping his hand at 50 mph Let me try to set up a simple example to demonstrate why.

Imagine we have a 2 lb ball of putty moving with a speed of 5 mph striking and sticking to a 18 lb bowling ball at rest; the time it takes to collide is 0. After the collision, Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar the two move together with a speed of v 1. Next, imagine we have a 18 lb bowling ball moving with a speed of 5 mph striking and sticking to a 2 lb ball of putty at rest; the time it takes to collide is 0. After the collision, the two move together with a speed of v 2. So, you see that the two scenarios have different speeds after the colliision.

But, suppose that you were the putty ball. During Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar the collision you feel a force and the force is what is going to hurt you. Do you get hurt as badly, not as badly, or equally as badly during the collision? What determines the force you feel is the acceleration you experience during the collision, how quickly your velocity changes, which is your final velocity minus your initial velocity divided by the time of the collision.

You could go through through the exact same process to find that the bowling Speed Of Boat In Still Water Calculator Guitar Still Boat Guitar In Water Of Calculator Speed ball experienced exactly the same force regardless of who moved initially. A physicist would say that you were right, but the ambiguity of your statement means that the other guy could split hairs.

As far as physics is concerned, the only thing which matters is the relative velocities of the two before the collision. If the putty ball were moving mph and the bowling ball were moving mph in the same direction, the result of the collision which matters the force Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar would be the same. I'm specifically concerned with a traditional or recurve bow NOT a compound bow with pullies. I want to know the max tension compared to the draw weight so I have an idea how strong to make my strings.

So here's the scenario, what's the maximum tension in the string for a recurve with a 70 lbs draw weight and a physical weight of 25 oz? I'm assuming the maximum tension is when it'Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar s at brace not full draw , right after the arrow leaves. I think this because not only does the string have to oppose the restoring force of the bow limbs but it also has to stop the momentum of the limbs that isn't transferred to the arrow. I can tell you that the tension will be at the maximum draw for a simple bow, not where the arrow leaves the string.

It Is braced at 6 inches and has tips Speed Of Boat In Still Water Calculator Guitar that are 3 inches recurved behind the handle. This is a reposting, correct now, I hope! When researching the physics of archery I discovered that this can be a very complicated problem requiring very sophisticated numerical calculations on computers if you want precision descriptions of all the details.

You, however, require only a rough calculation for estimating the strength of the string. The diagram shows 1. Proper substitution yields 6. Consider the standing wave pattern shown below. A wave generated at Speed Of Boat In Still Water Calculator Guitar Still Of Water Calculator Speed Boat Guitar In Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar the left end of the medium undergoes reflection at the fixed end on the right side of the medium. Count the number of these points - there are 6 - but do not count them twice. A node is a point along the medium of no displacement. The point is not displaced because destructive interference occurs at this point.

Or when a trough meets a trough or whenever two waves displaced in the same direction such as both up or both Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar down meet. Which phenomenon is produced when two or more waves passing simultaneously through the same medium meet up with one another? Interference is the meeting of two or more waves when passing along the same medium - a basic definition which you should know and be able to apply. Two pulses are traveling in opposite directions along the same medium as shown in the diagram at the right.

Which diagram below best depicts the appearance of the medium when Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar each pulse meets in the middle? When a crest is completely overlapped with a trough having the same amplitude, destructive interference occurs. Complete cancellation takes place if they have the same shape and are completely overlapped. If you don't believe it, then think of some sounds - voice, guitar, piano, tuning fork, chalkboard screech, etc. All sounds have a vibrating object of some kind as their source.

Sound is a mechanical wave and as such requires a medium in order Water In Guitar Speed Still Of Calculator Boat Speed Of Boat In Still Water Calculator Guitar Calculator Still Of Water Speed In Guitar Boat to move through space. For this reason, sound cannot move through a vacuum. Physics Tutorial. What Can Teachers Do My Cart Subscription Selection.

You can even find restaurants with tables right on the sand, especially in Playa Los Muertos. Other go-to dining districts include the Zona Romantica, also known as Emiliano Zapata. There are also theaters, karaoke, open mic nights, and dance clubs. Entertainers could be locals or brought in by venue owners from North America and Europe. These are professional Speed Of Boat In Still Water Calculator Guitar performers that put on a show. One place to check out is Incanto, which has a full calendar of music and other live performances; they even do a bingo night with a funny host.

So you can expect big parades and other public celebrations throughout the year. Dia de Muertos Day of the Dead is traditionally a time for Mexican families to honor their deceased loved ones, taking place on Nov. But it has turned into kind of a party, with Speed Guitar Water Of Boat In Calculator Still Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar locals and expats alike painting their faces as catrins or catrinas skeletons and hitting the town. Other major holidays include Mexican independence day on Sept. The municipal government puts on frequent performances of folkloric dancing and music at the amphitheater downtown, on the malecon.

And you also have music festivals, art festivals, gourmet food festivals, and more at various spots in and around town.

A favorite activity amongst tourists and expats alike is a day out on the water. The vast Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Bahia de Banderas provides the ultimate setting for boating. Some expats have their own boat at the large, full-service marina to the north of town, near the airport. You can also hire a charter or join a tour.

There are sunset sails, trips up and down the coast to unspoiled beaches you can only get to by boat, and stops for lunch at small fishing villages. From December to March, you can hope to catch a glimpse of migrating humpback whales. Of Speed Of Boat In Still Water Calculator Guitar course, you can also go fishing and hope to catch marlin, sailfish, and tuna. For surfers the towns of Sayulita and San Francisco popularly known as San Pancho about a one-hour drive to the north, offer world-class waves.

When the water is calm standup paddle boarding is the go-to. And with so many activities and free or low cost entertainment, you can indulge whenever you want. The current population is approximately , With any city of this size there is crime.Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar

But thankfully, Puerto Vallarta continues to be one of the safest and friendliest cities in Mexico for international visitors, national tourists, and expats alike.

Part of that is the result of a heavy police and military presence. In short, the government knows that this area brings in a lot of tourist dollars and wants to keep it secure. Evening strolls along the waterfront malecon , restaurant-hopping in Old Town, and late night bar hopping�no problem, although as you would in any city, Speed Of Boat In Still Water Calculator Guitar Speed Boat In Of Guitar Still Water Calculator Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar you should keep aware of your surroundings and take care not to imbibe too much lest you get lost on the way home.

In general though, few tourists or expats are victims of crime, especially considering how many there are in town. And there is a low level of violent crime. What you will find here is petty crime�crimes of opportunity.

Take care not to leave a purse on a table when you go to the bathroom. Be sure to Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar not leave valuables in your car either. And use the safe in your hotel room or get one if you live in a condo or home to store cash, jewelry, passports, and other important items. One thing I am always cautious of in Puerto Vallarta, and all over Mexico and Latin America, is paying attention while walking around.

So I always take extra care when traveling on foot. If there is some sort of accident, luckily Puerto Vallarta does have quality Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Calculator Speed Boat In Of Water Guitar Still medical care at local clinics and hospitals, including emergency care. Puerto Vallarta overall is a safe place, where you can enjoy fun in the sun, if you take a few simple precautions. Puerto Vallarta, which sits surrounded by the Sierra Madres on the breathtaking Banderas Bay, continues to grow in popularity with both expats and international tourists.

Millions of warm-weather seekers flock to Vallarta every year with hundreds of thousands of those individuals coming off cruise ships. These vacationers come to Speed Of Boat In Still Water Calculator Guitar escape winter, for the savory food offerings, the cold cervezas and colorful margaritas, and the vibrant culture. But, perhaps the biggest draw to this tropical paradise lies in its wide variety of beaches. As the fifth-largest bay in the world, Bahia de Banderas boasts no shortages of beaches.

Many of these carved out spots for sun-worshipping and water fun exist right in Puerto Vallarta and nearby areas. Los Muertos Beach represents one of the most iconic spots in Puerto Vallarta. It Boat Of Guitar Still Calculator Water Speed In Calculator Of In Speed Still Water Boat Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar continues for about a mile north down the statue-lined malecon. The location represents a short Uber or taxi ride from the cruise ships.

With beachfront hotels like San Marino and Los Arcos both with all-inclusive options , it represents an excellent spot for a romantic getaway or a family vacation.

But, ironically, this beach overflows with life. Whether you opt for a chair right on the beach or find a seat at one of the restaurants that line the famous malecon, this Still Of In Boat Speed Guitar Water Calculator Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar area represents an excellent place for people-watching. All your senses may experience overload with strolling vendors selling everything from local art to huge mangos carved into flowers optionally seasoned with chili and lime.

Aromas of fresh fish and grilled shrimp waft from the restaurants while native dancers and mariachis make their rounds up and down the malecon. Remember, the vendors make their living there. Also, come prepared with some change or small bills to tip entertainers. Even as little as 10 Calculator Water Speed Boat In Still Guitar Of pesos shows your appreciation. But no matter how busy and energized Los Muertos Beach seems, the real stars of the show involve Banderas Bay itself and the Sierra Madres that frame the beautiful scene.

Many find it joyful to watch the antics of the pelicans and frigate birds. If you keep wandering north on the malecon, you will eventually reach the square that surrounds the church of Our Lady of Guadalupe. This location marks the unofficial beginning of the Centro or Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar Speed Of Boat In Still Water Calculator Guitar 5 de diciembre neighborhood. Not far from the church, you will find a much quieter and serene beach.

Playa Camarones or Shrimp Beach represents a peaceful alternative for those looking for total relaxation. Fewer vendors and tourists translate to not as many restaurants and other attractions. Very nice swimming areas still exist on Camarones, and other water sports take place as well. Depending on your physical capabilities, you may reach these fantasy-type beaches via car, taxi, bus, tour, or water taxi.

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