[填空题]
The tires of a car make 85.ppco a-a60xmvk31 jy revolutions as the car reducesq4q)lj rr-1j6 isvzg)ee6e8v8kr2y d its speed uniformly from 90km/h to 60km/h The tires have a diame1ei rq6 rvzye8)jd4j 2ve6)gklr8 q- ster 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
