[填空题]
A cooling fan is turned off whepg26ocitih4rf )2 kwo:.b 1+ufofc(hn i8 pnouuqfmc w+t54m96c r *p5ft is running at 850rev/min It turns 1500 revolutions before it comes to a stop.mon *wtp ff+ucmc5rq6pu 845 9 (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
