View Single Post
  #1   Spotlight this post!  
Unread 12-04-2004, 00:57
Joe Ross's Avatar Unsung FIRST Hero
Joe Ross Joe Ross is offline
Registered User
FRC #0330 (Beachbots)
Team Role: Engineer
 
Join Date: Jun 2001
Rookie Year: 1997
Location: Los Angeles, CA
Posts: 8,599
Joe Ross has a reputation beyond reputeJoe Ross has a reputation beyond reputeJoe Ross has a reputation beyond reputeJoe Ross has a reputation beyond reputeJoe Ross has a reputation beyond reputeJoe Ross has a reputation beyond reputeJoe Ross has a reputation beyond reputeJoe Ross has a reputation beyond reputeJoe Ross has a reputation beyond reputeJoe Ross has a reputation beyond reputeJoe Ross has a reputation beyond repute
Re: Interesting facts about the Georgia Dome

Can someone check my math and assumptions on this?

The roof of the georgia dome weighs 68lbs (given)
The roof of the georgia dome is 395,000 ft^2 (given)
The roof of the georgia dome averages 1/16 in thick (guessed)

the roof of the georgia dome is 395,000/12/16 = 2057 ft^3
the density of the roof of the georgia dome is 68/2057 = 0.033 lb/ft^3 = .52 grams/cc

Now, from what I can find, the density of the lightest form of aerojel (which is the least dense substance known to man) is 1 gram/cc. Thus, the roof of the georgia dome is on the same order of magnitude of density as the least dense substance known to man.

Does that not make sense to anyone else?

Edit: nevermind, I found my mistake. aerogel is 1 milligram/cc. I should have remembered that water is 1 gram/cc. Remind me not to make these types of posts at 1am.

Last edited by Joe Ross : 12-04-2004 at 01:01. Reason: found my mistake