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NDA General Science Physics Questions Part 3

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Question : 1

Total: 91

A thin disc and a thin ring, both have mass M and radius R. Both rotate about axes through their center of mass and are perpendicular to their surfaces at the same angular velocity. Which of the following is true?

The ring has higher kinetic energy
The disc has higher kinetic energy
The ring and the disc have the same kinetic energy
Kinetic energies of both the bodies are zero since they are not in linear motion

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