A 30 ton rail car and a 90 ton rail car, initially at rest, are connected together
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A 30 ton rail car and a 90 ton rail car, initially at rest, are connected together with a giant but massless compressed spring between them. When released, the 30 ton car is pushed away at a speed of 4.0 m/s relative to the 90 ton car. What is the speed of the 30 ton car relative to the ground?
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Model The two railcars make up a system The impulse approximation is used while ...View the full answer
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Somshukla Chakraborty
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Related Book For 
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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