Question: A railroad car of mass 2.25 x 104 kg is traveling east 5.50 m/s and collides with a railroad car of mass 3.00 x 104

A railroad car of mass 2.25 x 104 kg is traveling east 5.50 m/s and collides with a railroad car of mass 3.00 x 104 kg traveling west 1.50 m/s. Find the velocity of the railroad cars that become coupled after the collision.

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