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Physics, 10.03.2020 23:06, shaheedbrown06
A 20,000 kg railroad car travels down the track at 30 m/s and hits a second stationary railroad car of 10,000 kg. The
cars become coupled and continue traveling. Calculate the final velocity of the cars.
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Answers: 3
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A 20,000 kg railroad car travels down the track at 30 m/s and hits a second stationary railroad car...
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