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A ball is thrown upward in the air by a passenger on a train that

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September 29th, 2012 13:41
in Engineering Physics by nicoth (City University of New York (NY), Organic chemistry)

A ball is thrown upward in the air by a passenger on a train that is moving with constant velocity. (a) Describe the path of the ball as seen by the passenger. Describe the path as seen by an observer standing by the tracks outside the train. (b) How would these observations change if  the train were accelerating along the track?

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1 Answers
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October 10th, 2012 16:50
kaijiang (Massachusetts Institute of Technology (MIT) (MA), Ancient literature)
(a) The ball would move straight up and down as observed by the passenger. The ball would move in a parabolic trajectory as seen by the ground observer. (b) Both the passenger and the ground observer would see the ball move in a parabolic trajectory, although the two observed paths would not be the same.

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