Recent content by thedan16

How is air density calculated? I can't seem to find any tables for the mesosphere. There are some calculators online that base it on height, but I'm not sure if they'll be accurate.

Yes, I'm curious to how this formula was derived! What about a cylinder or a cube?

Hello physics forums, Say you had a hollow steel sphere of thickness 1 mm and diameter of 1 meter (from outside to outside)? Inside the sphere is gas at 1 atm pressure. Outside is 1 atm of pressure. How much gas would I have to remove from the inside until the sphere collapsed from...