[填空题]
The tires of a car make 65 revolutions as the car r2i)lhsna m0,w educes its speed uniformly frhasi w)2l ,nm0n75v ;mfvx 9gp2f/ qvgom 95km/h togmfp 5x7v fvgn 29v;/q 45km/h 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