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7. Consider a system containing two, identical, 2kg objects that are each moving at a speed of 7 m/s. One is headed due east and the other is headed due north (a) What is the total momentum of the system? (b) What is the total kinetic energy of the system? (c) Show that the center of mass of the system is moving due northeast at 5m/s.write cleary and answer all please. thank you.

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