[填空题]
Model a figure skater’s boksl 1h :trsv,)dy as a solid cylinder and her ad (jznhuh)03 6zz: -yu nszv0erms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning hj ze:-0)uz snd(h 30uyzzvn6 skater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
