Physics
Why does a ball thrown vertically upwards in a moving train, come back to the thrower’s hand?
Laws of Motion
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Answer
A ball thrown vertically upwards in a moving train, comes back to the thrower’s hand because when ball was thrown, it was in motion along with the person and the train. It remains in the same state of forward motion even during the time the ball remains in air.
The person, the inside air and the ball all move ahead by the same distance due to inertia and so the ball falls back into his palm on it's return.
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