[填空题]
The tires of a car make 65 revolutions al-0 jy ezq6sp0 5rh.iws the car reducest3d31p3ic ykddj,ub2 * nmv m. its speed uniformly from 95k 3tynjb ik . d3pmdd3ucv*,12mm/h to 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