[填空题]
Model a figure skater’s hw rm5v;nwa-+w c0ptac/ir+7zqi 6+y body as a solid cyliwuh;ay jz kjc;3o+* /cgc* /adnder 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 out/ +jac;koj3g*zw *cy cua/;hd stretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
