[填空题]
The tires of a car makp)fqy1.vu03y twpo+x:g dw + ue 85 revolutaa;ftydmj-m +*nl v*0i sp-5gions 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 act a- f 05p-jdgsma+mn*i;lv*yceleration 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
