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A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of220N applied to its edge causes the wheel to have an angular acceleration of0.848rad/s2.
(a) What is the moment of inertia of the wheel?
kg · m2
(b) What is the mass of the wheel?
kg
(c) If the wheel starts from rest, what is its angular velocity after4.20s have elapsed, assuming the force is acting during that time?
rad/s
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