(Answered) Two ice skaters stand together as illustrated in figure a

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Two ice skaters stand together as illustrated in Figure (a) below. They "push off" and travel directly away from each other, the boy with a velocity ofv=0.67m/s to the left.If the boy weighs712Nand the girl weighs 452 N, what is the girl's velocity after they push off? (Consider the ice to be frictionless. Enter the magnitude only.) in m/s?

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