Subject: How much vacuum pressure is needed in a tube to remove air?
Date: Tue Feb 21 09:09:17 2006
Posted by Alicia
Grade level: 4-6
School: Carman Park Elementary
City: Burton State/Province: mi
Country: usa
Area of science: Physics
ID: 1140538157.Ph
Message:
My project involves proving that all objects fall to earth at the same speed in
a vacuum. What is the desired negative pressure to show this?
Re: How much vacuum pressure is needed in a tube to remove air?
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