In a game of pool, the white cue ball collides with the eight ball. The cue ball had a
momentum of 0.7 kg m/s, and the eight ball had a momentum of - 0.6 m/s. After the
collision, the cue ball has a momentum of -0.4 kg m/s, and the eight ball has a
momentum of 0.5 kg m/s. Was momentum conserved? yes or no?