[填空题]
Model a figure skater’s body as astw/i8 q1povz)xr 6-mnde 6a-w6n0il gzk;zao9d 2f) 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 with arms held tightly again20aia6)kl od6;gw-fndnz 9ez st her body.
Post time 2025-2-18 20:00:22
