[填空题]
Model a figure skater nqcft.dp )+1iec10c 8 c*ugkm’snwso3l7 (hxf6 body as a solid cylinder and her arms as thin rods, making reasonable estimates for the dimensions. Then calcu(f7 w3nhl 6soxlate 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
