gc textbook chapter 8 Rotational Motion (id: aa0a0708f)

[填空题]
The tires of a car make 65 t y,eq :ghx cj 1dl;h:nms9)7h,hge:n bcpgsejsc. d)u.h.*bg+k5x w1 -8laerevolutions as the car reduces its speed uniformly from 95km/h to 45km/hj.bd5 els8*1acus xcbkg .+pe )-w.gh The tires have a 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: -4.1±2%  空格2: 7.6±2% 


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