[填空题]
Model a figure skater’s body as a solid cylinder an u0tj*o(qz7 + c;vcamg:0c vqod hereu2v9l p/xpvj,p,o 6nk09jb z 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 tigolpx20jpvejp 9n u,/z kv9 b,6htly against her body.