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A passenger in a moving train tosses a coin. If the coin falls behind him, the train must be moving with

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A passenger in a moving train tosses a coin. If the coin falls behind him, the train must be moving with 

(a) an acceleration 

(b) a deceleration 

(c) a uniform speed 

(d) any of the above

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1 Answer

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Best answer

Correct option (a) an acceleration

Explanation:

As the coin falls behind him, force due to air must be backwards. Therefore, the train must be accelerating forward.

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