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A uniform, solid sphere of mass 2.6 kg and diameter 33 cm is rotating about its...

A uniform, solid sphere of mass 2.6 kg and diameter 33 cm is rotating about its diameter at 150 rev/min.

A) What is the kinetic energy of rotation?

B) If an additional 1.74 J of energy are supplied to the rotational motion, what is the resulting rate of rotation? Give your answer in rev/min.

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