Question

A car starting from rest, is given a uniform acceleration of 4 m/s2 for 10 seconds. It then
moves with a constant velocity for one minute. The brakes are then applied and the car is
brought to rest in 10 seconds. Find the total distance covered by the car.
(A) 2000 m
(B) 2400 m
(C) 2800 m
(D) 3200 m​

Answer 1

Answer:

D

Explanation:

When we apply brakes, friction will be produced between tires and brakes . When we apply brakes, the friction between the surface of the road and the tyre of the vehicle is increased and hence the vehicle stops.