gc textbook chapter 8 Rotational Motion (id: c15195e52)

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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 maket2oh9g*:2+ lr*ldt jk-,pxb1py tooyiphd8i , 4gf x2s)c:tz 65 revolutions as the car reduces its speed uniformly from 95km/h to 45km/h The tires have agiz4s)hip,x:td f28c 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: 0.58±2%  空格2: 12±2% 


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