[填空题]
A rotating merry-go-round mak0)c8a. 7 9dv gpfiloyd7ghx+ses one vq qf1 ygimi g1(+/bo/tb6.3e 3gp vmncomplete revolution in 4.0 s (Fig. 8–38). (a) What is the linear speed of a child seated 1.2 m from the center? . /1 ibntb3+1g g3pq/geoyq (vimvmf 6 $m/s$ (b) What is her acceleration (give components)? $m/s^2$ the center
Post time 2025-2-18 20:00:22
