Two particles move in opposite directions along a straight line. Particle 1 of mass m1 = 30 kg at x1 = 23 m moves with a speed v1 = 41 m/s (to the right), while the particle 2 of mass m2 = 82 kg at x2 = -17 m moves with a speed v2 = -36 m/s (to the left).What is the total angular momentum of the system about the z-axis relative to point A along y axis if d1 = 18 m?