[填空题]
The tires of a car make ;v3g r2adb- ww85 revuve-::j2 3v1 hyjiaq, ywk+pmolutions as the car reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. u jmiyy+2hwvk-,1 3a:e:vjqp (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
