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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

Kinetic energy of a wheel rotating about its central axis is E. Then kinetic energy of another wheel having twice the moment of inertia and half the angular momentum as that of the first wheel is

Answer: (C)

Solution

Rotational KE . For the new wheel 2)^2$/(2ยท

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Question ID VK-040216