[填空题]
An automobile engine slows down from 4500 rpm to zty pugxej;-k r+):2 ka3 c1dw1200 rpm in 2.5 /0lowyd-whi 0 s. Calculate (a) its angular acceleration, assumed constant, $rad/s^2$ (b) the total number of revolutions the engine makes in this time. $rev$
Post time 2025-2-18 20:00:22
