A passengee is traveling a train moving at `40 ms^(-1)` Hit suitcase is kept on the berth ,The drive
Channel: Doubtnut
Date: 2020-07-26

A passengee is traveling a train moving at `40 ms^(-1)` Hit suitcase is kept on the berth ,The drive of train applies breaks such that the speed of the train decreases at a constant rate to `20 ms^(-1)` in `5s` What should be the minimum coefficient of friction between the suitcase and the berth if the suitcase is not to slide during and retardation of the train ?