[填空题]
The tires of a car make 85 revolutionsr -qjg7 :*lppsfm +i)c )/dfjj as the car reduces its speed uniform; 3sp+frp(ctu 48n nqbly from 90km/h to 60km/h The tires have a di3 u4tnpc8b;+(snpqf r ameter 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
