[填空题]
The tires of a car make 8 8zjb*, 5v )co6dc x*e8wqxrcv5 revolutions as the car reduces its speed une 0x5 w2q+uoosiformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the angular acceleo 50+s owxuqe2ration 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
