Asked by Jcota2
In a railroad switchyard, a 48ton freight car is sent at 6.8mi/hr toward a 28ton car that is moving in the same direction at 3.8mi/hr .What is the speed of the pair after they couple together?What fraction of the initial kinetic energy was lost in the collision?
Answers
Answered by
Marcelo
This problem is hella stupid man. I can't even solve it!
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