[填空题]
The tires of a car make 85 revpkt;hin9p had n,ahb39s2j9;olutions as the car red9 of1nmn- 1:,yslkktv3 ph-4dmfd 8e muces its speed uniformly from 90km/h to 60km/h k, kmt 8o- fd snfl31:e1vd49mnm-yhpThe tires have a diameter of 0.90 m. (a) What was the angular acceleration of each tire? $\approx$ $rad/s^2$(round to two decimal place) (b) If the car continues to decelerate at this rate, how much more time is required for it to stop? s
Post time 2025-2-18 20:00:22
