The two blocks move all along a linear path on a nearly frictionless air track. One block, of mass 0.109 kg, primarily moves to the right at a speed of 4.70 m/s, whereas the second block, of mass 0.218 kg, is initially to the left of the first block and moving to the right at 7.40 m/s. Determine the final velocities of the blocks, supposing the collision is elastic.