A train car, which has a mass of 1000kg, is rolling along with a velocity of 30 m/s East. It
strikes a stationary car, which also has a mass of 1000kg, and they stick together after the
collision. What is their final velocity? (answer should be a whole number and include
appropriate units)
Answers: 3
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A train car, which has a mass of 1000kg, is rolling along with a velocity of 30 m/s East. It
strike...
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