Question

Brakes are applied to a car travelling at 30m/s its velocity is reduced to 20m/s in 5 seconds. Calculate the retardation applied by the brakes also find the distance covered in 5 seconds

Answer 1

Answer:

Explanation:

U =30 m/s

V =20m/s

T=5sec

A?

V=u+at

a=v-u/t

20-30/5 = -10/5 =-2 m/ s square.