11. Momentum & Impulse
Push-Away Problems
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?
![](/channels/images/assetPage/verifiedSolution.png)
This video solution was recommended by our tutors as helpful for the problem above
Video duration:
8mPlay a video:
404
views
1
comments
Was this helpful?
Related Videos
Related Practice
Showing 1 of 7 videos