Question

A body starts from rest and moves with an acceleration of 4 m/s^2. (A) what time the body will acquire a speed of 80m/s?(B) how much distance will it travel in this time?

Answer 1

i dont know

i dont know
in
dont know
 i dont know

Answer 2

Hey frnd here is your answer
a = v-u/t
4= 80-0/t
4t=80
t=20 seconds
Hope u find helpful