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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A ring and a disc roll on horizontal surface without slipping with same linear velocity. If both have same mass and total kinetic energy of the ring is 4 J then total kinetic energy of the disc is [MHT-CET 2021, MHT-CET 2021]

Answer: (A)

Solution

Ring: J; disc:

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Question ID VK-040954