[填空题]
The tires of a car make 85 revolutions as () g/tlzfw 8yi-g h;:htawbn,the car reduces its speed unifm j akm8 b5my-:sg:p.rormly from 90km/h to 60km/h The ar:s 5 mjmkp gby8:m.-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
