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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A thin ring of mass M and radius r is rotating about its axis with a constant angular velocity . If two objects of mass m are attached gently to opposite ends of a diameter of the ring, ring will now rotate with an angular velocity given by [MHTCET 2020]

Answer: (C)

Solution

Angular momentum is conserved: , so ; the

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Question ID VK-040816