gc textbook chapter 8 Rotational Motion (id: d3c549ceb)

[填空题]
A rotating merry-go-rouno -m e44 q8ikk;u(tkmkd makes one complet:(jqadx8 pv:z cot(p8mke- ( ee revolution in 4.0 s (Fig. 8–38). (a) What is the linear speed of a child seated 1.2 m from the cent(vd x:pm p8 ca:(-ezjtoe8(qker?    $m/s$
(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: