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

admin · Post time 2025-2-18 20:00:22

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

[填空题]
An automobile engine sh2 k 5js;oug+d*h9 zntlo7 4j+,ef kd,e1 k1hjesbf5wefws 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:
data/attachment/exam/lead_in/684/12893.png

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