Year: 2022
Topic: System of particles and rotational motion
Time :
1. An energy of 484J is spent in increasing the speed of a flywheel from60rpm to 360rpm. The moment of inertia of the flywheel is
(1). 0.07 kg − m2
(2). 0.7 kg − m 2
(3). 3.22 kg − m 2
(4). 30.8 kg − m 2