gc textbook chapter 8 Rotational Motion (id: 9c9bf1925)

本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 通用国际物理

[填空题]
An automobile engine sxr3pgrbyne /2gxo e 4yf w//dr i;,46kx s+j2qu 97jlx3jqjjs b4cqq b* 5/t7slows down from 4500 rpm to 1200 rpm in 2.5 s. Calculate
(a) its angular acceleration, assumed constant,    $rad/s^2$
(b) the total number of revolutions the engine makes in this time.    $rev$

参考答案:
空格1: -140±2%  空格2: 120±2% 


本题详细解析:

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