[填空题]
Model a figure skater’s body as axtzgea,yumo v6y 6;5 6gml5(h solid ce ia,v1p t s1*xpn0)shylinder 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 outstretc1sp,xt1h aspvi )e 0n*hed arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
