Professional Application A 30,000-kg freight car is coasting at 0.850 m/s with
Chapter 8, Problem 36(choose chapter or problem)
Professional Application A 30,000-kg freight car is coasting at 0.850 m/s with negligible friction under a hopper that dumps 110,000 kg of scrap metal into it. (a) What is the final velocity of the loaded freight car? (b) How much kinetic energy is lost?
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