[填空题]
A rotating merry-go-m2vj/dt 0 m4gi joby: 35du,bsr48 8)ahurq)zc o:k dz3eh.aikound makes one complete revolution in 4.0 s (Fig. 8–38). (a) What is the linear speed of a child ska)8a3kdc.uq:o h zrh8ei4 )zeated 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
