sammy03
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Two identical empty plastic bottles were outside on a hot afternoon. They were initially uncapped. At three o' clock, a physicist tightly capped one of the bottles, bottle A. By midnight the weather had turned very cold. When the physicist observed the bottles at midnight, she found that the sides of bottle A were caved in, but bottle B was the same shape it had been in the afternoon. Did the mass of air inside bottle A increase,decrease, or remain the same from 3pm to midnight
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Posted: 2013-01-27 15:51:00
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