Year: 2022
Topic: System of particles and rotational motion
Time :
1.
The angular speed of a fly wheel moving with uniform angular acceleration changes from 1200 rpm to 3120 rpm in 16 seconds. The angular acceleration in rad ∕ s
2
is
(1). \(2\pi\)
(2). \(4\pi\)
(3). \(12\pi\)
(4). \(104\pi\)