Problem

A car is travelling on a straight road. The maximum velocity the car can attain is

24 \text{ ms}^{-1}

. The maximum acceleration and deceleration it can attain are

1 \text{ ms}^{-2}

and

4 \text{ ms}^{-2}

respectively. The shortest time the car takes from rest to rest in a distance of 200 m is, a. 22.4 s b. 30 s c. 11.2 s d. 5.6 s