[填空题]
The tires of a car make 85 revolutions as the car reduces its s7;h cn87/ mn afunbexqk q/05qfiso+7/. -o w gpv;gm ,9czudlpeed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the angular acceleration of e z9g-c;usl +i om7god/wv,.p fach 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
