[填空题]
The tires of a car make 85 jd+ ,m6iu vi-urevolutions as the car reduces wf/fh-i3 c)yiggd;y ( its speed uniformly from 90km/h to 60gdgf iwh;y (i3-)y/fc km/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
