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MHT CET 2024 Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET 2024

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 6 J then total kinetic energy of the disc is

Answer: (4)

Solution

For rolling without slipping, total K.E. . Ring: , so J. Disc: , so . Since

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Question ID VK-095585