Question

Fluid Mechanics

Last Fall, researchers using an unmanned submarine discovered a coral reef at the unprecenented depth of 1/2 mile. The density of seawater at the surface of the ocean is 1025kg/m^{3} and the bulk modulus of elasticty of seawater is 2.34*10^{9} Pa. A volume of air is taken downward to the coral reef. Assuming an absolute air pressure at the ocean surface of 1 atm, and that the air taken to the reef behaves as an isothermal gas.

- Find the pressure of the air at that depth.
- Find the fractional change in denisity and volume of the air at that depth.

Step 1

The acceleration due to gravity (*g*) is 9.81 m/s^{2}.

Calculate the pressure of the air at the depth.

Step 2

Calculate the fractional change in density.

Step 3

Calculate the fractional ...

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