ISAROCKS04GO ISAROCKS04GO Physics Answered PLEASE HELP and actually help plz The position of masses 4kg, 6kg, 7kg, 10kg ,and 3kg are (0,1), (4,2), (3,5), (5,6), and (-2,4) respectively. Where must you place a mass of 13kg if you want the center of mass to be at (-1,-3)?