[填空题]
The tires of a car make 85 revolutivc5 3jli/p 6em2x 8bpvons as the car reduces its spen vzcyigb7, 41ed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the ang7yvgz4 b1 inc,ular 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
