[填空题]
The tires of a car mak 96 gk.r-8hh 1rzcq/uo:g u7b q,vqynwf6wcl t0jwss-:t3ni -e 65 revolutions as the car reduces its speed uniformly from 95km/h to 45km/h j-wt ls 0-fic: 6t3wsnThe 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