[填空题]
Model a figure skater’s body x88 ,vtrd9,ojat9o+ yc l vdpz47;pqf aadxq6)33-+umjskdc ya: cs uh8n-) lzs a solid cylinder 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 outstretched arms, and wi +uhzj83:k n3)6 d-c msqxs )ald-ucayth arms held tightly against her body.
Post time 2025-2-18 20:00:22
