[填空题]
The tires of a car makj6z;: gk pc.8z sagp;ee xb 41 k2dlro pftjkl7krs1dk0d6(dtind 17, .85 revolutions as the car reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the angular acceleration 11kd7r1okttdl f6d.0b(pkrj dx7 2k4nds, il 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
