Question

A passenger is traveling in a train moving at 72 km/ h. His suitcase is kept on the berth.The driver of the train applies brakes such that the speed of the train decreases at a constant rate of 36 km/h in 5 second. What should be the minimum coefficient of friction between the suitcase and the berth if the suitcase is not to slide during retardation of the train?

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Answer 1

Answer:

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