如图所示,在地面上方的A点以Ek1=4J的初动能水平抛出一小球,小球刚要落地时的动能Ek2=13J,落地点在B点。不计空气阻力,则A、B两点的连线与水平面间的夹角约为( )A. 30° B. 37° C. 45° D. 60° 答案:B— Excuse me, you are _____ of my passing through. — I'm sorry, here you go.
[ ]A. on the way B. in the way C. out the way D. off the way