[填空题]
Model a figure skater’s bq;xsfik* dsl o u2u04-ody as a sjlcv,izq x5 c2c7)ce ((pz7syolid cylinder and her arms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning skater with out ji2sq, czyz)7p 5(7e cv(clxcstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
