A grinding wheel in the shape of a solid disk is 0200m in, Ask an Expert

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A grinding wheel in the shape of a solid disk is 0.200m in diameter and has a mass of 2.50kg . The wheel is rotating at 2350 rpm about an axis through its center.

A) What is its kinetic energy?

B) How far would it have to drop in free fall to acquire the same amount of kinetic energy?

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