1. Mass 1 (12.0 kg) is initially moving at 15.0 m/s [E] and mass 2 (8.0 kg) is initially moving at6.0 m/s [W]. A spring (k = 200.0 N/m) is glued to both masses as shown and it is initially stretched6.0 m. You may assume all surfaces are frictionless. Find the maximum compression of the spring.

Fig: 1