Question

find acceleration if u=72 km/h
v=36 km/h and t=2 sec
I want the answer in km/h sq
and in full explanation ​

Answer 1

u=20 m/s

v=10 m/s

t=2 sec

a=v-u/t

a=5 m/s

1m/s=3.6 km/hr

3.6*5 =18 km/hr