A 7100 kilogram boxcar traveling at 120 ms strikes a second
A 7100 kilogram boxcar traveling at 12.0 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 4.5 m/s. Evaluate what is the mass of the second car?
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a 7100 kilogram boxcar traveling at 120 ms strikes a second boxcar at rest the two stick together and move off with a
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