Question

A car starts from rest and attains a velocity of 18km/h in 2 seconds find its acceleration in SI units

Answer 1

final velocity={(18*1000)/3600} m/s
acc.=(5-0)/2 m/s^2
= 2.5m/s^2

Answer 2

v=u+at
5=0+a(2)
a=2.5m/s^2