PPRuNe Forums - View Single Post - High altitude object shot down
View Single Post
Old 15th Feb 2023, 18:07
  #252 (permalink)  
pattern_is_full
 
Join Date: Jan 2008
Location: Denver
Posts: 1,229
Received 15 Likes on 9 Posts
Originally Posted by visibility3miles
The rate of fall reflects weight mass, and surface area/coefficent of drag, which is why a feather lands more slowly than a cannonball unless it is in a vacuum. They have a very different terminal velocity.
Quite right (with a couple of minor adjustments).

Rather surprises me that people supposedly professionally trained in the subjects of drag and weight and aerial velocity appear to have never heard of Galileo's experiment at the leaning Tower of Pisa - in 1590 or thereabouts.

https://demonstrations.wolfram.com/G...ngTowerOfPisa/
pattern_is_full is offline  
The following 2 users liked this post by pattern_is_full: