Each of the five connected particles has a mass of 0.6 kg, with G as the center of mass...

Each of the five connected particles has a mass of 0.6 kg, with G as the center of mass of the system. At a certain instant the angular momentum of the system about G is 1.20k kg·m²/s, and the x- and y-components of the velocity of G are 3 m/s and 4 m/s, respectively. Calculate the angular momentum H_O of the system about O for this instant.