gc textbook chapter 8 Rotational Motion (id: aa0a0708f)

admin

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

[填空题]
The tires of a car make 65 revolutions azosqwy 0bumz-0a ;:52xhhmf ; 5wcjr;s the car reduces i3d5i/7j jowtlgv2y2 cw tp9c+ ts speed uniformly from 952gc7ilptwy9jo 5c+ 32vdj tw/ km/h to 45km/h The tires have a diameter of 0.80 m.
(a) What was the angular acceleration of the tires? $\approx$    $rad/s^2$
(b) If the car continues to decelerate at this rate, how much more time is required for it to stop?    s

参考答案:
空格1: -4.1±2%  空格2: 7.6±2% 


本题详细解析:

微信扫一扫，阅读更方便