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Math Question Volume/PSI

A place to ask general spud cannon related questions.
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Math Question Volume/PSI

Unread postAuthor: Temple » Wed Sep 14, 2011 7:57 am

If you have a chamber 4"x16" the volume is 200.9

I add air until the psi is 100psi.

If I add 4" to the chamber but don't add air what would the psi be?

The volume of the new chamber is now 251.2.
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Unread postAuthor: jackssmirkingrevenge » Wed Sep 14, 2011 8:03 am

Boyle's law says that pressure x volume is constant.

100 psi x 200.9 = X psi x 251.2

X psi = (200.9 x 100)/251.2

= 80 psi
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