[填空题]
Model a figure skater’s body as a soll u79 bm)(yva3y-8u0wcpzxx lid cylinder and her armq- 6 ohcelo,3ms as thin rods, making -o3hce6l,oqm 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
