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 w

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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
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

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Calantha 5 years 2021-07-14T05:11:17+00:00 1 Answers 44 views 0

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  1. Eirian
    0
    2021-07-14T05:13:13+00:00
    Reply

    Answer:

    a

    Explanation:

    you take 32,000kg ÷2.0m

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