[填空题]
The tires of a car make 85 revolut*xi 0z62chi jyions as the cardb vq2k/,m rh* reduces its speed uniformly from 90km/h to 60h*b / d2vkmq,rkm/h The 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
