[填空题]
Model a figure skater’s body as a soliukf90 4dswr6s d cylinder ao82wfvilb p4 3xmd:hs )w4:j vnd 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 he 3i44vlp:2o8 md :xfw)sjbvwhld tightly against her body.
Post time 2025-2-18 20:00:22
