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Physics
Classical Physics
Thermodynamics
How does evaporation generate cooling? Swamp coolers edition
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[QUOTE="dario2, post: 6854563, member: 733323"] What about an asteroid coming from outer space and entering Earth's gravitational pull, then crashing down? Is its potential energy derived from the energy required to lift it up from Earth? Or maybe from the energy required to lift it up from wherever it came from before reaching Earth? What if the same asteroid got pulled in by the Sun's gravitational force instead? Would its potential energy now be different? I have to leave for work now, but will read the rest of your and others' replies and add in my replies later, thanks everybody! [/QUOTE]
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Forums
Physics
Classical Physics
Thermodynamics
How does evaporation generate cooling? Swamp coolers edition
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