Find the velocity of railroad cars

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A railroad car of mass 2.00 x 10^4 kg is traveling north 6.00 m/s and collides with a railroad car of mass 1.50 x 10^4 kg traveling south 4.00 m/s.

A) Find the velocity of the railroad cars that become coupled after the collision.

B) Find the velocity of railroad cars if the lighter car is intially at rest.

Reference no: EM13244010

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