[填空题]
The tires of a car makeh965l)nzrtsvug s5:h78qw u wl 1ee:m 65 revolp sgw/c (5-xezutij jx 1k/3)0jn 5rkvutions as the car reduces its speed uniformly from 9/-pkt k1 ij)xjj (s/5 uw e3vz0gcn5rx5km/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
