Posted by Alexia on Tuesday, March 22, 2011 at 12:38am.
P = 1.3 atm = 1.3*10^5 N/m^2
P = Force/Area = 94 N/A
Solve for the area A, and use that to get the diameter.
A = 94 N/(1.3*10^5 N/m^2)
= 7.23*10^-4 m^2
= 7.23 cm^2
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