[填空题]
Model a figure skater’s body as a solid cylinder and helu - t00 h4kb.sr*psklr arms as efa 6 a-2-fip7gt4slcthin 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 sitgf6 -2p7l c-a4aeftightly against her body.