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26 answers

As long as the train does not accelerate or decelerate, and you jump straight up, you will land on the same spot. You have the forward momentum of the train, and the air in the car is moving with you, so there is nothing to slow your forward motion (which is forward relative to the ground, not relative to the train).

2006-08-13 08:58:28 · answer #1 · answered by Cara B 4 · 1 0

I think of Einstein. Relative to what?

The train, yes, and you will travel twice your jump hight, but with no displacement.
The Earth, no, traveling the parabolic curve discribed with X the train displacement and Y as before from the jump. Displacement distance will be only by the trains motion.

I just had a look at some of the others. If by on the train you mean IN the train, the air and you move with the same verlocity of the train, so jumping up will not mean you land in a different spot (as long as the train matains its current verlocity, no speed or direction change). If you're Actually ON then the air would slow you down.

2006-08-13 09:18:38 · answer #2 · answered by Anonymous · 0 0

You will not land on the same spot but the train will not gain on you at 60 mph while you are in the air. If it did, you would be a smear on the back bulkhead. The moment you left the ground, you were travelling at 60mph also but while you are in the air, your velocity will fall depending upon how long you are up there and (I think) your body mass. The train will gain on you a little but I cannot calculate by how much without knowing your time in the air and mass.

2006-08-13 09:47:37 · answer #3 · answered by Jellicoe 4 · 0 0

If your on the train then you are traveling at 60 mph too. If your inside a boxcar where no wind can push you back you should land where you jumped up from. If you on top you will jump up and even though you were traveling 60mph when you first jumped the wind will push you back a bit because the train is the one pushing forward through the wind; not you. So you should land a bit back from where you jumped up.

2006-08-13 09:00:54 · answer #4 · answered by ZenTurkey 4 · 0 0

About 1/600 miles behind the spot that you jumped from as the train has moved.

Assuming the effects of air pressure due to the moving carriage negliglble.

You will move back by 60 mph as it is relative to the speed of the train. So this will be 60 miles in 1 hour or 1 mile in a minute or 1/60 mile in a second or 1/600 mile in a tenth of a second (assuming that you've got strong leg muscles.

2006-08-14 00:35:09 · answer #5 · answered by Kemmy 6 · 0 0

You will land on the same spot if you are inside the train. But if you are on the top of the train you will land a few feet towards the back of the train from the point you have jumped.

2006-08-13 23:55:11 · answer #6 · answered by Clinkit 2 · 0 0

it does depend if you are in the train, or on top of the train, if you are in the train and their is no movement of air, and as long as the train does not accelerate while you are jumping then you will land in the same spot in the train, if for some reason you are on top of the train with the air rushing past you at -60mph then this would cause you to decelarate relative to the train and you would end up behind the point on the top of the train that you had jumped from, this position is determined by how high you jump and your air resistance. hopes this helps.

2006-08-13 09:49:39 · answer #7 · answered by thejur 3 · 0 0

I agree with RatDogRulesTheWorld, he should get the points.

If you're ON the train, jumping up will de-couple you from the train, allowing the air to slow you down (there's nothing for your feet to push against).

If you're IN the train, the air is moving at the same speed as everything else in the train, including the train itself, so when you jump up, you land in the same spot. However, if you jump up really high and at the same instant the driver or some nasty teenager hits the emergency stop, you could end up hitting the far wall in front of you (assuming you're facing the front of the train), because the train will slow down beneath you.

2006-08-13 09:13:25 · answer #8 · answered by Anonymous · 0 0

1. You will land on the same spot in the train.

2. You will travel the same distance as the train. This will depend upon how long you were 'in the air'

2006-08-14 05:29:11 · answer #9 · answered by clausiusminkowski 3 · 0 0

Assuming that you jump straight up, you will land on the floor of the train car exactly where you jumped from. You and the train, at the instant of the leap, are traveling at the same speed, and since momentum is conserved, will continue to do so. This is an example of what is called an inertial frame of reference, important in Einstein's Special Theory of Relativity.

2006-08-13 09:00:49 · answer #10 · answered by Anonymous · 0 0

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