[填空题]
Model a figure skater’s un6 fo*-hw6s-g7itv )dcg/ vsbody as a solid cylinder and her ar.oijtnsmeju8wg5 sw+ 78m( m2ms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular spe+ wwtmj(8e7mu8n5sg 2omi j.seds for a spinning skater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
