[填空题]
Model a figure skater’s body as a solid cylinder d39f60xlz 43zqpv ecxj0irt+qov/)k8bzn8+)fsfy *qx gv,band her arms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning +q0+,vgfzbf bsn x y*kv)8jtoqi/)r 8skater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
