[填空题]
The tires of a car make 65 revolutions as the car reduces itd9/5g1gus +b nfbkn wbn/-l g;zao*q*s sye6e :d.ppe0)-f c tsy1ttx,udp,b. lpeed uniformly from e)f.txbleeuyp: p,s 0td,dcy-1.tp6 95km/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