[填空题]
Model a figure skater’s bodyyc x:9bm92 ntx8u tq*e as a solid cylinder and her arms as tl isv*6/mnkc6 hin rods, making reasonable ens6*clv6i/m kstimates for the dimensions. Then 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
