[填空题]
Model a figure skater’s body as9 y yqlly j 82i9x+:spj5wsv;h a solid cylinder and her arms as thin rods, ma kl(sg5hs,cxpvw0 )uml /if3 4king reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning skater with outstretched arms, and with arm) pf0x uws(livkc4hmg/3s 5,l s held tightly against her body.
Post time 2025-2-18 20:00:22
