[填空题]
The tires of a car make 85 revolutions a 5q/xk ns5hm,2ibzd .cs the car reduces its speed unig7f me/ +fnyn8mlq,j(;z( afwformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (j((zmqngf 8+nlf ,7f m ;a/yewa) 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
