[填空题]
A rotating merry-go-round makes o*4iek19 ,9utb /w b.xs-uwm.hvsq v 0 kceew/vne complete revoluti sy4ll 7jj0qpq);mk(bi65wl . q iin)don in 4.0 s (Fig. 8–38). (a) What is the linear ssii(p))llw.iq6d4m bq 5 07nj yk jlq;peed 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
