Ball and feather in air/vacuum

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PIRA index: 1C20.10

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.

Equipment

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Instructions

Keywords

ball, drop, feather, vacuum

Images & Movies

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Récupérée de « https://demosdev.physique.uottawa.ca/w/index.php?title=Ball_and_feather_in_air/vacuum&oldid=196 »