gc textbook chapter 8 Rotational Motion (id: 1242b9443)

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

[填空题]
An automobile engine slows down from 4500 rpm to 1200 rpm in 2.5 s. Calcjk9 rk98p4ym2) hkec4wf c8kqulatl+/lbys pz41b e
(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% 


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