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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A ballet dancer spins with 2.8 rps with her arms out stretched. When the moment of inertia about the same axis becomes , the new rate of spin is

Answer: (B)

Solution

is conserved: rps; 3.2, 4.8

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Question ID VK-040715