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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

The radius of gyration of a flywheel is m and its mass is 1 kg. The speed of the flywheel is changed from 20 r.p.m. to 60 r.p.m. The work required to be done is

Answer: (A)

Solution

, rad/s and rad/s;

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Question ID VK-040476