[填空题]
The tires of a car make 65 rkwt yntd)lr (z16 hzv5su/)( qevolutions as the car reduces its spet8jgf a4f:h 0ned uniformly from 8anff40h jgt :95km/h to 45km/h The tires have a diameter of 0.80 m. (a) What was the angular acceleration of the tires? $\approx$ $rad/s^2$ (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
