Question

A car aquires a velocity of 72 km per hour in 10 seconds starting from rest . what is the average velocity

Answer 1

avg. velocity=v+u/2
=0+20/2
=20/2
=10m/sec

Answer 2

answer is 7.2 because thr formula of calculating average velocity is a=v-u/t and as per the question a= 72-0/10=7.2