Question

A car starting from rest picks up the velocity of 20m/s in 20 seconds find the acceleration of the car

Answer 1

Initial velocity of the car, u = 0
Final velocity of the car, v = 20m/s
Time = 20s
Acceleration = v-u/t
= 20-0/20
= 1 ms^-2

Answer 2

v=u+at

20=0+a(20)

a=1m/s^2