[填空题]
Model a figure skatet2 qr *km2hc)+j,uqpdr’s bc1m (:kazg (2asbzfj0 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 outsfk:ajzm( b0(acgz 12stretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
