[填空题]
The tires of a car make 85 revolutions as the car reduces its sp wy.1u,*p ibk 5mjsu6aeed uniformly fn.*khv vu,pv9 e6ne jmz2u; k6rom 90km/h to 609;vzj66u.ke*v 2nm nu v,pkhekm/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
