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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A wheel is at rest horizontal position. Its M.I. about vertical axis passing through its centre is 'I'. A constant torque '' acts on it for 't' second. The change in rotational kinetic energy is [MHT-CET 2021, MHT-CET 2021]

Answer: (A)

Solution

so ;

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Question ID VK-040969