[填空题]
The tires of a car maoc, s qlizimw w6a++14ked,j1px xyxtk:, 0i 0ap 65 revolutions as the car reduces its speed uniformly from 95km/h to 45km/h The tires havp i jx,xtap,0ky1d :x0e 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