gc textbook chapter 8 Rotational Motion (id: d3c549ceb)

[填空题]
A rotating merry-go-round makes onecq-p2*nky:enk w2 af 1xu(u;t complete revm4/gl/9bpgf s2k 8(1ac:uhibe xtq l1olution in 4.0 s (Fig. 8–38). (a) What is the linear speed of a child seated 1hmbu9lkt c1s :/4f( qi1g/ 2lxbae p8g.2 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: