Energy supplied to the rotational energy
A 1.2-kg 10-cm-diameter solid sphere is rotating about its diameter at 69 rev/min.
(a) What is its kinetic energy?
(b) If an additional 5.0 mJ of energy are supplied to the rotational energy, what is the new angular speed of the ball?
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If an additional 5.0 mJ of energy are supplied to the rotational energy, what is the new angular speed of the ball?
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