[填空题]
Model a figure skater’s body as a soli wli84lso p,+fq,1vawd cylinder and her arms as thin rods, m-/ d mfwk,rrf:/(kpetaking reasonable estimates for t/:rm kw/,rtedf- kpf(he 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
