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Physics, 25.11.2021 14:50 dtrammel91
A 29000-kg open railroad car, initially coasting at 0.825 m/s with negligible friction, passes under a hopper that dumps 117500 kg of scrap metal into it.
a)What is the final speed, in meters per second, of the loaded freight car?
b)How much kinetic energy is lost, in joules, when the freight car receives this scrap metal? Ignore the free-fall kinetic energy of the scrap metal.
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A 29000-kg open railroad car, initially coasting at 0.825 m/s with negligible friction, passes under...
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