A railroad car weighs 30,000 lb and is traveling horizontally at 30 ft/s. At the same time
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A railroad car weighs 30,000 lb and is traveling horizontally at 30 ft/s. At the same time another car weighing 10,000 lb is traveling 5 ft/s in the opposite direction. If the cars meet and couple together, determine the speed of both cars just after coupling. Determine the kinetic energy of both cars before and after coupling has occurred, and explain qualitatively what happened to the difference of these energies.
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Conservation of Linear Momentum Energy Losses KE bef...View the full answer
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Related Book For 
Engineering Mechanics Statics & Dynamics
ISBN: 9780134895154
15th Edition
Authors: Russell C. Hibbeler
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