[填空题]
Model a figure skater.mdac;h zr8n l-w4);vyf f2f(lmc-vl’s body as a sog d:g:gvyc 6hv:k,1 *hr0fuwhlid cylinder and her arms as thin rods, making reasonabkhhfdug y:0 r*whg1vg 6:,v:cle estimates 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
