[填空题]
A rotating merry-go-round m1(mel2q)m xvwxs.j9dakes one complete revolution in 4.0 s5lhs jf8x li-gr/fhy6q39s;i (Fig. 8–38). (a) What is the linear speed of a child seated 1.2 m from the cente/s;ysg6q5i 9flh 8jl-f x hr3ir? $m/s$ (b) What is her acceleration (give components)? $m/s^2$ the center
Post time 2025-2-18 20:00:22
