[填空题]
Model a figure skater’s pe sz)rdd50y)cb 9iyj/wu wf1 us((0ybg/ o0fhc,)pqez2r v u.ody as 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 with arms.v zfg/oh rpe ,0)2quc held tightly against her body.
Post time 2025-2-18 20:00:22
