gc textbook chapter 8 Rotational Motion (id: d3c549ceb)

[填空题]
A rotating merry-go-round makes one complete revolution7 5/tt/ d lh;gp/pzfcy in 4.0 s (Fig. 8–38)33) 3tjaw c4gg f(rwjle 7hhu q.gw8:j. (a) What is the linear speed of a child seated 1.3twhg w: jl4ufq) (r.j33gh7 a we8gcj2 m from the center?    $m/s$
(b) What is her acceleration (give components)?    $m/s^2$  ----待选择----towardsaways  the center

参考答案:
空格1: 1.9±2%  空格2: 3±2%  空格3: towards 


本题详细解析: