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Introductory Physics Homework Help
Volume of a bubble rising in a lake
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[QUOTE="Nathanael, post: 4953533, member: 509990"] [h2]Homework Statement [/h2] An air bubble of volume 20 cm^3 is at the bottom of a lake 40 m deep, where the temperature is 4.0°C. The bubble rises to the surface, which is at a temperature of 20°C. Take the temperature of the bubble’s air to be the same as that of the surrounding water. Just as the bubble reaches the surface, what is its volume? [h2]Homework Equations[/h2] [itex]PV=kT[/itex] [itex]ΔP=40ρg[/itex] [h2]The Attempt at a Solution[/h2] I don't understand how the answer doesn't depend on the atmospheric pressure. If the atmospheric pressure were greater, then wouldn't the change in volume be smaller? [/QUOTE]
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Volume of a bubble rising in a lake
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