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Homework Statement
A research submarine has a 10.0 -diameter window 8.90 thick. The manufacturer says the window can withstand forces up to 1.10×10^6 . What is the submarine's maximum safe depth?
The pressure inside the submarine is maintained at 1.0 atm.
Homework Equations
p=F/A
p=p(not) + ρgd
A=Pi*r^2
The Attempt at a Solution
p = Fmax/A = Fmax/A = 1.1*10^6/(Pi * 0.05^2) = 1.40*10^8 Pa
p=p(not) + ρgd
1.40*10^8 = 101300 + 1030*9.81*d --> d= 13851m
I must be making some sort of error in understanding the theorey of this question. Any help would be greatly appriciated. Thank you kindly.
Kenton