[填空题]
Model a figure skater’s body as a solr o+km28kw6k iip)6j b5zrpojx58 1mdid cylinder and her arms 5nr o;o5,pisvas thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinningio,r onvs5; 5p skater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
