[填空题]
Model a figure skater’su4vxm(no*eltg xage)w n*k 1kizx/4 25; po +d body as a solid cy+z5ib:1p/ qn+vsr z q9papj5ulinder and her arms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a s qszbun+r9p1+5vpapjq:/iz5pinning skater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
