gc textbook chapter 8 Rotational Motion (id: d3c549ceb)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

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A rotating merry-go-round m dh 00airoyx;25eld) vakes one coha27hz urv*9.i94 t1lccl;xf xy1p t umro,*rmplete revolution in 4.0 s (Fig. 8–38). (a) What is the linear speed of a child seated 1.2 m from the cente ricxo147f.ypmrcu9u1*va ,*t;2h xlzh9lr t r?    $m/s$
(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 


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