Railroad car A of mass 320.0 kg moving with a velocity VA collides and sticks with another railroad car (B) of mass 100.0 kg moving with velocity 3.00 m/s in the opposite direction as shown in the figure. B (a) (b) Find VÀ such that both cars now have a final velocity which is half-VA in the direction of car A as shown in the figure. Submit Answer Tries 0/40 What is the kinetic energy (in Joules) lost in the collision? Submit Answer Tries 0/40