[填空题]
Model a figure skater’s body as a solid cylinder and her ftvixz3ik0z* h280b darmlfd n0 d 2ig+ei*drhmp*g.)b3s 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 held tightly againsbd0n di g3rimh ed2p .f**)+glt her body.
Post time 2025-2-18 20:00:22
