[填空题]
Model a figure skater’s body as a solid d q/ )mg9k z58padk5yqcylwm1,3t,yr0 apu1 qur 6dmq96qpe)slzinder and her arms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds u,lyr a1er mzp1)06m9pqwdut q,3q s6for a spinning skater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
