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18 votes
18 votes
A submarine has a "crush depth" (that is, the depth at which

water pressure will crush the submarine) of 400 m. What is
the approximate pressure (water plus atmospheric) at this
depth? (Recall that the density of seawater is 1025 kg/m3, g=
9.81 m/s2, and 1 kg/(m-s2) = 1 Pa = 9.8692 x 10-6 atm.)

User EvilAegis
by
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1 Answer

22 votes
22 votes

Answer:

P =40.69 atm

Step-by-step explanation:

We need to find the approximate pressure at a depth of 400 m.

It can be calculated as follows :

P = Patm + ρgh

Put all the values,


P=1\ atm+1025 * 9.81* 400* 9.8692* 10^(-6)\ atm/Pa\\\\P=40.69\ atm

So, the approximate pressure is equal to 40.69 atm.