[填空题]
A cooling fan is turned off d ilgpa.3w7bb* fh ysoe;d.,: when it is ru0x 9-od-oof1v xlzy3 ct;/if hnning at 850rev/min It turns 1500 revolutions bef f/-1ly xv9itd-o ;oz 0fh3xocore it comes 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
