A railroad car with a mass of 12 000 kg collides and couples with a second car
Question:
A railroad car with a mass of 12 000 kg collides and couples with a second car of mass 18 000 kg that is initially at rest. The first car is moving with a speed of 12 m/s prior to the collision.
a. What is the initial momentum of the first car?
b. If external forces can be ignored, what is the final velocity of the two railroad cars after they couple?
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Step by Step Answer:
a The initial momentum of the first car is P1 m1u1 12000 kg...View the full answer
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Related Book For 
Physics of Everyday Phenomena A conceptual Introduction to physics
ISBN: 978-0073512112
6th edition
Authors: W. Thomas Griffith, Juliet W. Brosing
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