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a. What is the angular momentum of a figure skater spinning at 2.0 rev/s with arms...


a. What is the angular momentum of a figure skater spinning at 2.0 rev/s with arms in close to her body, assuming her to be a uniform cylinder with a height of 1 m, a radius of 0.2 m, and a mass of 50 kg?
b. How much torque is required to slow her to a stop in 5.0 s, assuming she does not move her arms?
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