Difference between revisions of "Ball and feather in air/vacuum"

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Revision as of 19:36, 6 June 2014

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