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Physics, 06.07.2019 00:30 valeriekbueno
A30,000-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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A30,000-kg freight car is coasting at 0.850 m/s with negligible friction under a hopper that dumps 1...
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