[填空题]
An automobile engine slows down from 4500 rpm to 1200 +( ib5j;/kqst ilwq:h u foy/6rpm in 2.5 s 2cr+0xfrgj).er 8.zxlct vs.. 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
