[填空题]
The tires of a car mas:i ftq/lj--,acw mh.ke 65)o4iqrh k /40 r5zf svd,sl:hg revolutions as the car reduces its speed uniformly from 95km/h to 45km/h The tires have a diametvgl5r0h d/ 4zfsrh qski,) o4:er 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
