[填空题]
Model a figure skater’s body as a solid . y:kpcantj)b9aq4 2 r/e5+sc4ea blscylii:,.zrp7ez) wb2yvo f.j igx3thns x3)6+ igender 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 outste6n) 3grgj,z fx.7zw ixt)ey :ovis 32pib+. hretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
