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Why does less dense air rise and more dense air come down?
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[QUOTE="Lnewqban, post: 6831333, member: 673625"] For that to happen in a closed room or system, there must be a heat source or heat sink that keeps a flow of energy. The result will be a draft circulation in the room, within which air is heated or cooled at an area or point, being displaced or forced to move by air that has not been yet heated or cooled. If that source or sink equals its temperature with the air’s, a stratification process begins, when circulation or draft stops (there is no more energy for that), and an equilibrium of temperatures and densities slowly happens, in which top layers of warmer air transfer thermal energy to the lower layers of cooler air. [/QUOTE]
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Introductory Physics Homework Help
Why does less dense air rise and more dense air come down?
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