[填空题]
The tires of a car makexp1ut d f-(q zwyd,23n 65 5(sc+xz/rkqv,*o k rb7*ua jm revolutions as the car reduces its speed uniformly from 95mvx* (z*j s5 brkk/ro,q7+ucakm/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
