Ball and feather in air/vacuum : Différence entre versions
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| + | File:IMG 0590.JPG|caption | ||
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File:IMG 0590.JPG|caption | File:IMG 0590.JPG|caption | ||
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Version du 6 juin 2014 à 19:18
Description
A feather falls more slowly than a ball down a tube due to air resistance. When the tube is evacuated, both the feather and ball fall with equal speed.
Keywords
ball, drop, feather, vacuum
Images
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