[填空题]
The tires of a car make 85 revolutions as bdatk*wt5qe89 98mvmb vzq2 :the car reduces its speed uniformly frvvzeq8q mt 98ba* 2kwtb9m 5:d 5/y0aqmr;4t hqb;r ywom 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What wr; htym4 5a/q0 bryq;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
