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 makeb+,kig1 ,b(wl )u;xalla7hri 85 revolutions as the carp/dwc gg-a-(vk(y gj/m/ :rkfs y.m+s reduces its speed uniformly from 90km/h to 60km/h Tg-(/ygymfmc as-sdk+ w.(vrkjg //: phe 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