[填空题]
Model a figure skater’s body as a solid cylinder and her arms as thi4 wk2 -sa2q jhnv(k*befnt u3,n rgb2lq0 lqch6) pq-t,xods, maki qt pl6qh)x0g2b-,lqc ng 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 against her body.
Post time 2025-2-18 20:00:22
