[填空题]
The tires of a car make 85 revo(6 k-eynfbk d)lutijyl/ux)/* wkd yiwnd9o- x r-8ons as the car reduces its speed uniformly from 90*xuw-jil dod ) y9yx /wn/k-r8km/h to 60km/h The tires have a diameter 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
