[填空题]
The tires of a car make 8ero+om k 4g+ zz*)gfk05 revolutions as the car reduces itsopx8d m6je ais3i ;1k+ speed uniformly from 90km/h to 60km/h The tires have a dia sm +o6x;1pei8ik3jadmeter 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
