gc textbook chapter 8 Rotational Motion (id: d3c549ceb)

[填空题]
A rotating merry-go-round makes one complete revolution in 4.08chfneuo4 81 xd)7m ao s (Fig. 8–38). ( 99ojebre4 5zhi0 ia;x-7adpia) What is the e 7e diiai94b;x h-59pro0jz alinear speed of a child seated 1.2 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: