2016 Jiangsu Question 2 Single-choice Differentiating 2016_江苏 Paper 2.(3分)有A、B 两小球,B的质量为A的两倍。现将它们以相同速率沿同一方向抛出,不计空气阻力。图中①为A的运动轨迹,则B的运动轨迹是( ) A. ①B. ②C. ③D. ④ Answer keyA ☆ SaveCan't do it, show the explanation查看原卷 →