[填空题]
Model a figure skater’s body as a solid cylinder an g g,iwt)w7*u6na t/jod her arms se8-gbcb0f7cc4i /bc3 uh 7oygumx 5(as thin rods, making reasonable estimatbu78 gx (mcf /-oe 4bgcih 7yus05ccb3es for the dimensions. Then calculate the ratio of the angular speeds for a spinning skater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
