You need to design an industrial turntable that is 60.0 cm in diameter and has a kinetic energy of 0.250 J when turning at 45.0 rpm (rev/min). (a) What must be the moment of inertia of the turntable about the rotation axis? (b) If your workshop makes this turntable in the shape of a uniform solid disk, what must be its mass?
You need to design an industrial turntable that is 60.0 cm in diameter and has a kinetic energy of 0.250 J when turning at 45.0 rpm (rev/min). (a) What must be the moment of inertia of the turntable about the rotation axis? (b) If your workshop makes this turntable in the shape of a uniform solid disk, what must be its mass?
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Transcribed Image Text:You need to design an industrial turntable that is 60.0 cm in diameter and has a kinetic
energy of 0.250 J when turning at 45.0 rpm (rev/min). (a) What must be the moment of
inertia of the turntable about the rotation axis? (b) If your workshop makes this turntable
in the shape of a uniform solid disk, what must be its mass?
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