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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

The moments of inertia of two rotating bodies A and B are and , where . If and are their rotational kinetic energies and if their angular momenta are equal, then

Answer: (B)

Solution

With equal angular momentum L, K = L²/(2I), so the body with the smaller inertia (A, I1 < I2) has the

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Question ID VK-040774