[填空题]
Model a figure skater’s body as a solid cylinder andkdl/q0 */rzrdwj:zs/ her arms as thin rod( bctvh 3m rd5mf6p)e4s, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning skater wih fdt r5ec(3)vp4m m6bth outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
