Physics, 01.09.2019 08:30 larissaday33

Arailroad car with a mass of 30,000 kg is moving at 2.0 m/s when it runs into an at-rest freight car with an equal mass. the cara lock together. what is their final velocity?
a. 2.0 m/s
b. 0.5 m/s
c. 60,000 kg-m/s
d. 1.0 m/s

Answers: 1

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Arailroad car with a mass of 30,000 kg is moving at 2.0 m/s when it runs into an at-rest freight car...