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A solid cylinder of mass 1.3 kg and radius 2.0 cm starts from rest at some...

A solid cylinder of mass 1.3 kg and radius 2.0 cm starts from rest at some height above the ground and rolls down an ncline without slipping. At the bottom of the incline, its linear speed is 2.5 m/s. (a) How much is its angular speed? (b) How much is its rotational kinetic energy? The moment of inertia of a solid cyllinder is 21mR2 (c) How much is its total energy at the bottom? (d) From what height did it start?

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