[填空题]
A cooling fan is turned off when it is runningn)p ( p4 swmv1rq/*ic* fxx.06ronea w at 850rev/min It tur8k4/nl n- q;eqo ixfuz 2/xzo.ns 1500 revolutions before it comes to a st.qxfz/e2nlxk uqio/n 48o; z -op. (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
