Question

Initial velocity u= 5 m/s, final v=0 m/s, time is 20 s. What is acceleration?

Answer 1

a=(v-u)/t

a=(0-5)/20

a= -1/4m/s^2

Answer 2

Explanation:

a=v-u/t

a=0-5/20

a=-5/20

a=-1/4 m/s^2