Difference between revisions of "Ball and feather in air/vacuum"
		
		
		
		
		
		
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| + | PIRA index: 1C20.10  | ||
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==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.  | ||
| + | |||
| + | ==Equipment==  | ||
| + | *...  | ||
| + | *...  | ||
==Keywords==  | ==Keywords==  | ||
Revision as of 14:22, 6 June 2014
PIRA index: 1C20.10
Contents
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
- ...
 - ...
 
Keywords
ball, drop, feather, vacuum