[填空题]
Model a figure skater’s body as a s9 ba lb,3. m4 x7ygc7.fw2t mer6oi4r5fdstd nolid cylinder and her arms as t .d4bk11y c5mknq.hi6pb mf t(hin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning stmch46. dn f1yk1(qb5 bpik. mkater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
