Ball and feather in air/vacuum : Différence entre versions
Sauter à la navigation
Sauter à la recherche
| Ligne 1 : | Ligne 1 : | ||
==Description== | ==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. | 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 | ||
Version du 6 juin 2014 à 19:08
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
