Question

A car starts from rest and attains a speed of 40m/s in 20s.Itd average acceleration in m/s2

Answer 1

Hope it helps u...^_^

Answer 2

Dear Brainly User,

Here is your answer=>>>

u=0
v=40m/s
t=20s

By using the formula,
v=u+at
40=0+a×20
40=20a
a=2m/s^2