Question

a train is moving with velocity of 120 km per hour brakes are applied on the train and its velocity becomes 70 km per hour after travelling 100m how much for the distance will it go before coming to rest

Answer 1

I don't know the answer of this question

Answer 2

In the first case given to us we have to find the rate of deceleration which will remain constant still he comes to rest and then substitute it from when the velocity is 70 kmph to 0.