[填空题]
Model a figure skater’nbfx9b5o t3wbv v5 kx)i3o9/ hsm/y/s6p:knvnbddl r :u b v. uu7u(0u8 body as a solid cylinder and her arms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning skater with outstretched arms, and with arms held tightly against her b(/rb /vn6duu7 v8mus:: uny0pub dl.kody.