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Q6: A vessel at rest at the origin of a xy coordinate system explodes into three...

Q6: A vessel at rest at the origin of a xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity of -20 m/s î, and a second piece, of mass 2m, moves with a velocity of -40m/s ĵ. The third piece has mass of 3m. Just after the explosion, what are the magnitude of the velocity of the third piece?

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