2012 Shanghai Question 12 Single-choice Differentiating 2012_上海卷 (物理) 12.如图,斜面上a、b、c三点等距,小球从a点正上方O点抛出,做初速为v 0 的平抛运动,恰落在b点。若小球初速变为v,其落点位于c,则 A. v0< v <2v0B. $v=2v 0$C. 2v0< v <3v0D. v>3v 0 Answer keyA ☆ SaveCan't do it, show the explanation查看原卷 →