We have two toy rail cars. Car 1 of mass 2 kg is traveling at 6 m/s towards the second rail car of mass 1 kg. Before it is hit, the second rail car is traveling towards the first at 1 m/s. There is a bumper on the second rail car that engages at the moment the cars hit (it connects to the two cars) and does not let go. The bumper acts like a spring of spring constant K = 2 N/m. The second car is 9 meters from a wall at the time of collision. Find the behavior of the system after linkup, where x1(t) and 2(t) are the positions of Car 1 and Car 2 t seconds after collision. x1(t) x2(t) = Will the second car hit the wall, or will it be moving away from the wall as time goes on? Hit the wall ○ Moving away from the wall At what speed would the first car have to be traveling for the system to essentially stay in place after linkup? m/s