[填空题]
Model a figure skater’s body g*e3qog,5dpabx,i8q as a solid cylinder and her,wpoua5:/h z.kuh2q r arms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a uo pw:h/h az5,kq2r .uspinning skater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
