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 4.60m. The two cars couple together on collision. What is the speed of the two cars after the collision?

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A: It is given that

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A: Given Mass m1 = 2.6 kg Mass m2 = 1.8 kg Speed v1 = 4.5 m/s Speed v2 = 3.3 m/s

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A: The expression initial momentum,

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A:

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A:

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A:

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A: in this question  we use conservation law of momentum.

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A: Solution-

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A: Apply the conservation of motion along the north direction (consider it as y-direction).

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A:

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A:

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A: Applying the conservation of angular momentum,

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