gc textbook chapter 8 Rotational Motion (id: d3c549ceb)

[填空题]
A rotating merry-go-round mjz1p7 ) nolwx yu8r+mhpjv8(6akes one complete revolution in 4.0 s (Fig. 8–38)ejxt2qk,:g cq-d+ 6v/5 wsxph. (a) What is the linear speed of a c gjxc5,6sexq /vtwp q2:-dhk +hild 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: