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. | ||
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.
