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

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

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The tires of a car make 85 revolutions as the car reduces its speed unswi k:we4-9h,/vu6ui ra pu52qh oo5kfs7 h7z iformlw)w9a q jin0v8iu7 h bmt(72usy from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the angular acceleration of eamiw a9q2j0iu 7h)(8 tv ubns7wch 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% 


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