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

admin

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 850rev/mio9+j59rxjprhh 7jo3m q6re+rh quty. -h r:l:n It turns 1500 revoll +theu :y.q :hrr6r-qutions 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% 


本题详细解析: