Question
9. A 45 kg figure skater is spinning on the toes of her skates at 1.0 rev/s. Her arms are outstretched as far as they will go. IN this orientation the skater can be modeled as a cylindrical torso (40 kg,20 cm average diameter, 160 cm tall) plus two rod-like arms (2.5 kg each, 66 cm long) attached outside of the torso.
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