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Which is the BEST explanation for why the speed of sound changes for solids, liquids, and gases?
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Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?
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Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?
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Which is the BEST explanation for why the speed of sound changes for solids, liquids, and gases?...
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