[填空题]
The tires of a car make 65 revol x2)f2 jq+,vmoiqzm)lutions as the car r*scwtz:zv5+ kzm9 3wwyrm(j9f xfw )(educes its speed uniformly from 95km/h to 45km/h The tires have a diameter of 0.80 m. yw9:3wsfz(mv 9xw*(z+tmfz) crk w5 j (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
Post time 2025-2-18 20:00:22
