[填空题]
Model a figure skater’s body as a solidgwogp8:w2d/bfr -5 el9z s ut6rr;)) jmcggj3 cylinder and her arms lw- *bg1:wf lkas thin rods, making reasonable estimatesbklf :w -wl1g* 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
