解:设被撞之后两物体速度分别是x,y(m/s)则(1)(y-x)1=0.60.2*5=0.2x+0.5y解得x=1,y=1.6(2)(y-x)1=3.40.2*5=0.2x+0.5y解得x=-16/7,y=39/35
