Answer:
(A) Torque required is 21.205 N-m
(b) Wok done will be equal to 1199.1286 j
Step-by-step explanation:
We have given moment of inertia

Wheel deaccelerate from 135 rpm to 0 rpm
135 rpm =

Time t = 8 sec
So angular speed
and

Angular acceleration is given by

Torque is given by torque


Work done to accelerate the vehicle is

