Question

A car moving with a speed of 54km/hr is brought to race in 10seconds by applying brakes.Find the matitudes of average retardation due to brakes.

Answer 1

sorry I don't know if you know pls send me

Answer 2

u=54km/hr
=15m/s
v=0
t=10 sec
a=v-u/t
=15-0/10
=15/10
=3/2
=1.5m/sec Sq.