Two atoms are connected by a spring-like force with an effective spring constant k. The atoms are squeezed together by a total distance of Δx (distance from equilibrium, L0). What is the total kinetic energy of the two masses as they pass through the equilibrium point? A. 14 kΔx2 B. kΔx2 C. 2 kΔx2 D. 12 kΔx2 E. 0