[填空题]
Model a figure skaterg- 09;aa/3i2zgnwbqlkc9yil’s body as a s/s skm 0us:m2/6 khhjbolid cylinder and her arms as thin rods, making reasonable estimates for the dimensions. Th/ b2j:k shusm60shm/ken 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
