Question

A moving train brought to rest within 20 seconds by applying brakes . Find the initial velocity, if the retardation due to brakes is 2 ,metre /second​

Answer 1

Explanation:

first we have to write the formulation

2m/s=

1[¢÷πd57pol]

v-u

final position-inutial

Answer 2

Answer:

I have tried to solve... I hope this will help you....