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Calculate the gauge pressure [itex]p_g[/itex] on the sunken ocean liner.

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This is the problem, i have the formula:

[itex] p = p_{o} + p(to-lazy-to-look-up-density)gh[/itex]

I do not know which [itex]p[/itex] or [itex]p_o[/itex] but for the matter of making my point lets say, [itex]p_{o} = 413 at [/itex] or [itex] 41836900-Pa [/itex]. So

then:

[itex]p = 41836900-Pa + (1025-kg/m^{3})(9.81-m/s^{2})h[/itex]

So Ive got [itex]p[/itex] and [itex]h[/itex] wish means, I have nothing. :uhh: .

Any ideas, would be appreciated.