[填空题]
The tires of a car matmgek6r6w6+kk k4cw1tf)x m+ ke 65 revolutions as the ca54l ;yryiy pm 9-m,emnr reduces its speed uniformly from 95km/h to 45km/h The tires have a diameter of 0.8i enmymp-y9;ry,m l45 0 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
