A person is sitting in a travelling train and | vedclass

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Question

(A) When the person tosses the coin,the coin shares the horizontal velocity of the train. If the train moves with a uniform velocity,the coin will fal

Vedclass · Accepted Answer

Moving forward and gaining speed

Vedclass · Answer

(A) When the person tosses the coin,the coin shares the horizontal velocity of the train. If the train moves with a uniform velocity,the coin will fall back into the person's hand due to the principle of inertia. However,if the train is accelerating forward,the train gains more velocity while the coin is in the air. Since the coin maintains its initial horizontal velocity (due to inertia),the train moves ahead of the coin,causing the coin to fall behind the person. Therefore,the train is moving forward and gaining speed.

$A$ person is sitting in a travelling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is

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