Physics, 25.02.2020 21:56, Kinkela

Wheel is rotating freely at angular speed 800 rotationsper minute (rpm)on an axle which has negligible mass. A second wheel, initially at rest andwith twice the moment of inerta of the first is suddenly coupled to theaxle. What fraction of the original rotational kinetic energy is lost

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Wheel is rotating freely at angular speed 800 rotationsper minute (rpm)on an axle which has negligib...