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LE! 1 3 Diagram is snapshot before collision. Mass of each boxcar = 10,000 kg.

The Boxcar 1 moves to the right at speed v1 = 5.4 m/s. After collision, the three boxcars latch together and move off together as one mass, with speed vnew to the right. The new speed vnew is...

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Answer #1

Þi = 10,000 X Vi momentum beffore collision = Di = 10,000 X 5.4 10,000 X 5.4 kg-m/s Pe= momentum after 3 x 10,000 X V new the

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