gc textbook chapter 8 Rotational Motion (id: 7c508dc5b)

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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]
A cooling fan is turned off when it is running at 85hd c-,jwsf5x )0rev/min Ia0eth .; tzc9h (c(fbwrup;x9u7fo :vt turns 1500 revolutions beforea 0fpzv .tu o9t ;;( cerhx:cfbhu(7w9 it comes to a stop.
(a) What was the fan’s angular acceleration, assumed constant?    $\frac{rad}{s^2}$
(b) How long did it take the fan to come to a complete stop?    s

参考答案:
空格1: -0.42±2%  空格2: 210±2% 


本题详细解析:

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