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Two uniform solid cylinders, each rotating about its central (longitudinal) axis, have the same mass of 3.74 kg and rotate with the same angular speed of 457 rad/s, but they differ in radius. What is the rotational kinetic energy of

(a)the smaller cylinder, of radius 0.358 m, and

(b) the larger cylinder, of radius 0.805 m?

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Category:- Physics
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