Question: Two uniform solid cylinders, each rotating about its central (longitudinal) axis at 235 rad/s, have the same mass of 1.25 kg but differ in radius.

Two uniform solid cylinders, each rotating about its central (longitudinal) axis at 235 rad/s, have the same mass of 1.25 kg but differ in radius. What is the rotational kinetic energy of

(a) The smaller cylinder, of radius 0.25 m, and

(b) The larger cylinder, of radius 0.75 m?

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