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Pressure in Bottle

ncharles

Entry posted by ncharles

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I saw this video recently and thought it was a very cool experiment and not a normal application of physics. When the hot air in the bootle begins to cool down, it create a vacuum in the bottle and applies a force on the water up through the straw. This force gradually goes to zero and the pressure inside and outside the bottle begin to equal each other. Maybe you should try this at home! 

 

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