Answer to Question #282366 in Physics for Charles

Question #282366

A submarine can stand a pressure of

1400 KN/m2


above atmospheric


pressure. Find the maximum depth at

which she can work in sea water of RD

= 1.025.


1
Expert's answer
2021-12-24T11:32:22-0500

By the definition of the pressure, we have:


"P=\\rho_{sea\\ water}gh=RD_{sea\\ water}\\rho_wgh,""h=\\dfrac{P}{RD_{sea\\ water}\\rho_wg},""h=\\dfrac{1400\\times10^3\\ \\dfrac{N}{m^2}}{1.025\\times1000\\ \\dfrac{kg}{m^3}\\times9.8\\ \\dfrac{m}{s^2}}=139\\ m."

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