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MHT CET 2024 Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET 2024

If the angular velocity of a body rotating about the given axis increases by 20%, then its kinetic energy of rotation will increase by

Answer: (C)

Solution

Rotational kinetic energy is , so for fixed (same axis). New , so . The

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Question ID VK-098887