A grinding wheel in the shape of a solid disk is 0.200 m in diameter and has a mass of 3.0 kg. The wheel is rotating at 2200 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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Our tutors have indicated that to solve this problem you will need to apply the Intro to Rotational Kinetic Energy concept. You can view video lessons to learn Intro to Rotational Kinetic Energy. Or if you need more Intro to Rotational Kinetic Energy practice, you can also practice Intro to Rotational Kinetic Energy practice problems.
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