A car was moving at 1ms−1 when brakes were applied. The brakes offered a retardation of 0.5ms−2. If the brakes are applied for 2s, after 2s
A car is moving in a straight line with speed 18 km h−1. It is stopped in 5 s by applying the brakes. Find:
(i) the speed of car in m s−1, (ii) the retardation of car (iii) the speed of car after 2 s of applying the brakes.