Solved: In a railroad yard, a 35,000-kg boxcar moving at 7.5 m/s is stopped by a
Chapter 7, Problem 22(choose chapter or problem)
In a railroad yard, a 35,000-kg boxcar moving at 7.5 m/s is stopped by a spring-loaded bumper mounted at the end of the level track. If k = 2.8 MN/m, how far does the spring compress in stopping the boxcar?
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