Physics, 04.07.2021 14:00, gracethegreat1

Question 7 of 10 A railroad freight car with a mass of 32,000 kg is moving at 2.0 m/s when it
runs into an at-rest freight car with a mass of 28,000 kg. The cars lock
together. What is their final velocity?
A.1.1 m/s
B. 2.2 m/s
C. 60,000 kg•m/s
D. 0.5 m/s

Answers: 1

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Question 7 of 10 A railroad freight car with a mass of 32,000 kg is moving at 2.0 m/s when it
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