Physics
Physics, 02.02.2020 22:01, joejoe247

Afreight car moves along a frictionless level railroad track at constant speed. the freight car is open on the top. a large load of sand is suddenly dumped into the freight car. what happens to the speed of the freight car?

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Afreight car moves along a frictionless level railroad track at constant speed. the freight car is o...

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