16. A car is moving at a speed of 72 km/hr. the diameter of its wheels is 0.5 m. If the wheels are stopped in 20 rotations by applying brakes

(a)       – 25.5 rad/s2 (b)  – 29.5 rad/s2                                                    (c)   – 33.5 rad/s2 (d)  – 45.5 rad/s2 Ans. a (10)