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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A thin uniform ring of mass 10 kg and radius 0.5 m is rotating about an axis through its centre and perpendicular to plane with 600 rpm then kinetic energy of rotating ring :

Answer: (B)

Solution

rad/s and , so

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Question ID VK-040388