Question

a bus with moving with a velocity of 60 km/h is brought to rest in 20 seconds by applying brakes find its acceleration

Answer 1

Explanation:

u = 60 ×5/18 =50/3 m/s

v=0

v=u+at

a = v-u/t

a =(0-50/3)/20

a = -5/6 m/s^2