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

Options

A. `8.58" kg m"^(2)s^(-2)`
B. `10.86" kg m"^(2)s^(-2)`
C. `2.86" kg m"^(2)s^(-2)`
D. `6.66" kg m"^(2)s^(-2)`

Answer

D