gc textbook chapter 8 Rotational Motion (id: aa0a0708f)

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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 65 revolutions as the car re2h0i 7 yhhza ;xelbms ++tq sx7him-,6duces its speed ; 8bjgy/ dyhhr *(a7souniformly from 95km/h to 45km/h The tires have a diameter of ah jbgysy7*/hr 8o d(;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% 


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