Johns mass is 86 kg, and Barbaras is 55 kg. He is standing
Chapter , Problem 50(choose chapter or problem)
Johns mass is 86 kg, and Barbaras is 55 kg. He is standing on the x axis at xJ 5 19.0 m, while she is standing on the x axis at xB 5 12.0 m. They switch positions. How far and in which direction does their center of mass move as a result of the switch?
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