1
   

Expansion and contraction

Forums: Science And Math
Email this Topic • Print this Page
 
 
hellomoto
 
Reply Thu 21 Jul, 2005 05:46 am
2 questions
when a ruler expands with heat do the measurements change and
which contracts the most when cooled iron, water or air
  • Topic Stats
  • Top Replies
  • Link to this Topic
Type: Discussion • Score: 1 • Views: 355 • Replies: 1
No top replies

 
raprap
 
  1  
Reply Thu 21 Jul, 2005 06:00 am
Yes, that's why the iridium bar that used to be used as the meter standard was kept at a constant temperature (now the standard is based on a constant wavelength and frequency).

Air, it's a gas.

Rap
0 Replies
 
 

Related Topics

Evolution 101 - Discussion by gungasnake
Which building has the highest load bearing? - Discussion by tali
Typing Equations on a PC - Discussion by Brandon9000
The Future of Artificial Intelligence - Discussion by Brandon9000
The well known Mind vs Brain. - Discussion by crayon851
Scientists Offer Proof of 'Dark Matter' - Discussion by oralloy
Bizarre Proposal to Increase the Number of Planets - Discussion by oralloy
DDT to Return as Weapon Against Malaria, Experts Say - Discussion by gungasnake
Blue Saturn - Discussion by oralloy
Bald Eagle-DDT Myth Still Flying High - Discussion by gungasnake
DDT: A Weapon of Mass Survival - Discussion by gungasnake
 
  1. Forums
  2. » Expansion and contraction
Copyright © 2025 MadLab, LLC :: Terms of Service :: Privacy Policy :: Page generated in 0.03 seconds on 08/07/2025 at 07:22:06
▲ ▼