[填空题]
A cooling fan is turneds;aq9 b2 ewzrgb31ix0 off when it iskv p(i v) -pbi-8c dt4sw,vz. 3nlg e1qcubr06 running at 850rev/min It turns 1500 revolutions before it cotv8dzkpiv wc03s -(n4 ubglp ib.-r,cq)e 1v 6mes to a stop. (a) What was the fan’s angular acceleration, assumed constant? $\frac{rad}{s^2}$ (b) How long did it take the fan to come to a complete stop? s
Post time 2025-2-18 20:00:22
