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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

An ice skater spins at with her arms extended. If her moment of inertia with arms folded is 75% of that with arms extended, her angular velocity when she folds her arms is

Answer: (D)

Solution

$ω_1=ω_2⇒ω_2==4π\

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Question ID VK-040723