[填空题]
Model a figure skater’s body as 00rwj ucr0 yjnl,t p./a;k f-uxxmv0y5 solid cylinder and her arms as thin rods, making reasonable estimates for the dimensimk;f uy5-0x vxons. Then calculate the ratio of the angular speeds for a spinning skater with outstretched arms, and with arms held tightly against her body.
