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Conservation of Angular Momentum The 8 0 - k g man is holding two dumbbells while standing on a turntable of negligible mass, which turns
Conservation of Angular Momentum
The man is holding two dumbbells while standing on a
turntable of negligible mass, which turns freely about a
vertical axis. When his arms are fully extended, the turn
table is rotating with an angular velocity of
Determine the angular velocity of the man when he retracts
his arms to the position shown. When his arms are fully
extended, approximate each arm as a uniform rod
having a length of and his body as a solid
cylinder of diameter. With his arms in the retracted
position, assume the man as an solid cylinder of
diameter. Each dumbbell consists of two spheres of
negligible size.
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