question_answer

An automobile moves on a road with a speed of\[54\,km\,{{h}^{-1}}\]. The radius of its wheels is \[0.45\text{ }m\] and the moment of inertia of the wheel about its axis of rotation is \[3\text{ }kg\text{ }{{m}^{2}}\]. If the vehicle is brought to rest in 15s, the magnitude of average torque (in\[kg{{m}^{2}}{{s}^{-2}}\]) transmitted by its brakes to the wheel is

Answer:

6.66