Ball and feather in air/vacuum : Différence entre versions

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Version du 9 juin 2014 à 13:57

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

  • ...
  • ...

Instructions

Keywords

ball, drop, feather, vacuum

Images & Movies


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