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Mathematics, 30.01.2020 13:52 estherboocx

9. a 5,000 kg train is traveling at a velocity of 100 m/s and hits another train. the two trains stick together, and the new velocity is 50 m/s. what is the mass of the second train? a. 15,000 kg b. 8,000 kg c. 10,000 kg d. 5,000 kg

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9. a 5,000 kg train is traveling at a velocity of 100 m/s and hits another train. the two trains sti...
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