[填空题]
The tires of a car make )jt/u6fa*kl q2 dbu l,85 revolutions as the car(jf2b,7oli6 gxc h tr3 reduces its speed uniformly from 90km/h to 60km/h The tiri,jh tobc62l7 (r3fx ges 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
