Let h be the depth below the surface of the ocean at which the absolute pressure is twice atmospheric pressure (i.e. 2Patm). The pressure at a depth of 2h below the surface of the ocean is:
(A) 2.5Patm
(B) 3Patm
(C) 4Patm
(D) 5Patm
(E) 9Patm
Show your work.
Thank you
Pressure at h depth = 
Pressure at 2h depth =
Atmospheric Pressure = 1 atm
Total Pressure at 2h height = 4atm + 1 atm = 5 atm
Hence Option (D) is correct.
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