A fly wheel of inertia 0.32kgm^2 is rotated steadily at 120rad/s by a 50watt electric motor. Calculate the kinetic energy of the fly wheel and the angular momentum of the fly wheel.
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Expert's answer
2020-10-19T13:25:36-0400
"E=\\frac{I\\omega^2}{2}=\\frac{0.32\\cdot120^2}{2}=2304" J.
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