Question

The velocity of a moving object changes from 20m/s to 60m/s in 10s what is the change in velocity of the object

Answer 1

Explanation:

Here, initial velocity (u)=20m/s

final velocity(v)=60m/s

time(t)=10s

change in velocity=acceleration

a=v-u/t

a=20-60/10

a=-40/10

a=-4m/s^2