Question

A body starts from rest and picks up a velocity of 15 m/s in 3 s. The acceleration in km/h^2

Answer 1

Explanation:

$v = u + at$

$u = 0 \: as \: starting \: from \: rest$

$15 = 0 + a3 \\ 5 = a$

Answer 2

Answer:

v=u+at

15=0+a(3)

a=15/3=5