[填空题]
The tires of a car make 85 revolutij)f hb5:w9bt*qvf:9u s*gshtons as the carnz.s;+j gek:y reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the angular acceleration of each tire? nz;kjg y. :e+s$\approx$ $rad/s^2$(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
