Question

A man A is sitting in the rear ens of a long compartment of a train running at constant horizontal velocity, tosses a coin to a person B, near the front end of the compartment. The trajectory of the coin is, as seen by B and a person C on the ground, will have:
A. different vertical ranges, but equal horizontal ranges
B. equal horizontal an equal vertical ranges
C. equal vertical ranges but different horizontal range
D. different vertical and different horizontal ranges

Answer 1

Correct Answer - c
The train is moving with horizontal velocity in a straight line: hence vertical ranges will be same. For a person inside the train, the horizontal range will be zero, because train is an interna frame. The coin falls back to his hand. For a person outside the train such as C, the coin has a horizontal velocity and vertical acceleration g. Hence it appears to follow a parabolic path. Hence the observer a horizontal range.