The deepest point known in any of the earth’s oceans isin the Marianas Trench, 10.92 km deep. (a) Assuming water is incompressible,what is the pressure at this depth? Use the density of seawater.(b) The actual pressure is 1.16 * 10^8 Pa; your calculated value will beless because the density actually varies with depth. Using the compressibilityof water and the actual pressure, find the density of the water atthe bottom of the Marianas Trench. What is the percent change in thedensity of the water?

The deepest point known in any of the earth’s oceans isin the Marianas Trench, 10.92 km deep. (a) Assuming water is incompressible,what is the pressure at this depth? Use the density of seawater.(b) The actual pressure is 1.16 * 10^8 Pa; your calculated value will beless because the density actually varies with depth. Using the compressibilityof water and the actual pressure, find the density of the water atthe bottom of the Marianas Trench. What is the percent change in thedensity of the water?

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