A man
is sitting in the rear end of a long compartment of a train running at constant horizontal velocity, tosses a coin to a person
, near the front end of the compartment. The trajectory of the coin, as seen by
and a person
on the ground will have
Text Solution
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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 inertial frame. The coin falls back to his hand. For a person outside the train such as
, the coin has horizontal velocity and vertical acceleration
. Hence, it appears to follow a parabolic path.
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