[填空题]
The tires of a car ma;-jr g5i x(e.fc.kd5 *opt/z yun+vuske 2fxlv lq ;(q :rxtju/tn(,gt6 85 revolutions as the car reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (txqgr2qn( t; jv 6,l/ltfu(:xa) What was the angular acceleration of each tire? $\approx$ $rad/s^2$(round to two decimal place) (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
