[填空题]
A rotating merry-go-round ma4tbv:;dh*t 3 x hr31ofe buw1okes one completx1)v0z6iehxopg 2y) mf)uj8ze revolution in 4.0 s (Fig. 8–38). (a) What is the lineg))fv0uxix6z 2ym 1 h z8pe)ojar speed of a child seated 1.2 m from the center? $m/s$ (b) What is her acceleration (give components)? $m/s^2$ the center
Post time 2025-2-18 20:00:22
