[填空题]
The tires of a car make 8v.t+ cx t)p6h9bj asd1fkp d085 revoluttwxpqr(l* . esv1gcx)3td 1n9ions as the car reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the angular acwrpg*3xnvl de q.x9)cs 11(tt celeration 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
