[填空题]
Model a figure skater’vg:q0 vd+ nm1hj *hvt5s body as a solid cylinder and her arms as thin rods, makiv+md v h0tqnh5:*v1 jgo6c mvlko /pv74 .f4fxng reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning skater with outstretched arms, and with arms held koc 44 m/6vfx .fo7lvptightly against her body.
Post time 2025-2-18 20:00:22
