[填空题]
The tires of a car make 85 revolutiouuy/c ;,g0tli ndo8k4j w5w 2nns as the car rqbn9 d p woq-bub5*)x2educes its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the angular acceleratibodn) pbq wbx9u 2*q5-on 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
