11. Momentum & Impulse
Push-Away Problems
8:47 minutes
Problem 11e
Textbook Question
Textbook QuestionA 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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