Q: The angular speed of a motor wheel is increased from 1200 rpm in 16 s. its angular acceleration is uniform. Then, choose the correct option(s).
(a) its angular acceleration is 2π rad s-2
(b) its angular acceleration is 4π rad s-2
(c) Number of revolution it makes in the Given time is 576
(d) Number of revolution it makes in the given time is 288
Ans: (b) , (c)