gc textbook chapter 8 Rotational Motion (id: ed8c318c1)

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]
A cooling fan is turned off when it is running at 850rev/min It turns f4 jtm+bp;.xnns4v- s 1500 r2j) 2vte 1osvyevolutio )evv12 js2ytons before 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% 


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