gc textbook chapter 8 Rotational Motion (id: 8e0f513c8)

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 85 revolutions as th5pi m/rhvs6 4.jorzn(: lfx7 ye car reduces its speed uniformly z:p9ckil;en p im)q.9z 9hy5kfrom 90km/h tkm;k9p.: cpq yzhze59i 9 li)no 60km/h The tires have a diameter of 0.90 m. (a) What was the angular acceleration of each tire? $\approx$    $rad/s^2$(round to two decimal place)
(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: -1.61±2%  空格2: 23±2% 


本题详细解析:

微信扫一扫，阅读更方便