[填空题]
A cooling fan is turned off when it is running at k alr5v7i*vl. dlz) 7l9ppz1x850rev/mikgy; hu.xu))g n It turns 1500 revolutions before it cg;h ukxu g).)yomes 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
