A cart rolls towards a wall on a level, frictionless table. The diagram shows the velocity vector of the cart just before and just after it collides with the wall. The velocity vectors are drawn to scale. Before After Which of the arrows below best represents the quantity the difference between the final and initial velocity vectors? a) b) f) k) The difference in velocities is zero. e ee d) c) a Ob Of g Oh Ok K Question 12 g) h) i) j) Briefly explain your reasoning for your previous response. 1 pts