Question

A passenger is travelling in a train moving at 72 kmh–1. 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 kmh–1 in 5 s. What should be the minimum coefficient of friction between the suitcase and the berth if the suitcase is not sliding during retardation of the train? 10/49 10/98 28/49 30/98

Answer 1

Answer:

28/49 is answer dear friend