Question

a bus starts from rest and attains 40km/h velocity after10 seconds. calculate the acceration of a bus km/h2

Answer 1

u =0
v = 40 km/h
t = 10 sec = 10/3600 hour

now, from 1st equation,
v= u+at
⇒40 = a(10/3600)
⇒a =14400 km/h²