[填空题]
Model a figure skater’s .xs)xddy 8gyrto k5:(body as a sx l2/ r4imwc 9cmtpm (c3;wxw6olid cylinder and her arms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning skater with outstretched arms, and with arms held tightly agaic32ml/w94xmm(x p cc 6 w;irwtnst her body.