[填空题]
The tires of a car make 65-samt nr;b+, w revolutions as the car redu v r705ryka19efivdm x+s18 mcde4x,oces its speed uniformly from 95km/h to 45km/h The tires 75+eoi091 1re4v vydx8msfc,xa rmkdhave 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
Post time 2025-2-18 20:00:22
