A railroad car of mass 2.25 x 10 to the fourth power is traveling east 5.50 m/s and collides with a railroad car of mass 3.00 x 10 to the fourth…

A railroad car of mass 2.25 x 10 to the fourth power is traveling east 5.50 m/s and collides with a railroad car of mass 3.00 x 10 to the fourth power traveling west 1.50 m/s. The velocity of the railroad cars that becomes coupled after the collision is 50 m/s to the north

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