Question

A car uniformly accelerates from 18kmph in 10s. Find theacceleration

Answer 1

speed=18kmph=5mps{1kmph=5/18metre per second}
time =10sec
acceleration=speed/time=5/10=1/2m/s^2
so acceleration is (0.5)m/s^2

Answer 2

a=v-u/t

a=18-0/10

a=18/10

a=9/5

a=1.8

Hope this helps.....