A 7800 kg boxcar traveling at 180 ms strikes a second
A 7800 kg boxcar traveling at 18.0 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 7.5 m/s. What is the mass of the second car?
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a 7800 kg boxcar traveling at 180 ms strikes a second boxcar at rest the two stick together and move off with a speed
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