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PhysicsQ&A LibraryIn the railroad freight yard, an empty freight car of mass m rolls along a straight level track at 1.10 m/s and collides with an initially stationary, fully loaded boxcar of mass 4.60m. The two cars couple together on collision. What is the speed of the two cars after the collision?Start your trial now! First week only $4.99!*arrow_forward*

Question

In the railroad freight yard, an empty freight car of mass *m* rolls along a straight level track at 1.10 m/s and collides with an initially stationary, fully loaded boxcar of mass 4.60*m*. The two cars couple together on collision.

What is the speed of the two cars after the collision?

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