Determine the speed of both cars just after coupling

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the 15,000 kg boxcar A is coasting freely at 1.5 m/s on the horizontal track when it encounters a tank car B having a mass of 12,000 kg and coasting at 0.75 m/s toward it. If the cars meet and couple together, determine the speed of both cars just after coupling.

Reference no: EM13299223

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