3. The deepest point in the ocean is in the Mariana Trench, about 11 km deep, in the Pacific. The pressure at this depth is huge, about 1.13 x 10³ Pa. (a) Calculate the change in volume of 1.00 m³ of seawater carried from the surface to this deepest point. (b) The density of seawater at the surface is 1.03 x 10³ kg/m³. Find its density at the bottom. (c) Explain whether or when it is a good approximation to think of water as incompressible. [Hint: Although the volume of 1 m³ has changed its mass remains constant.]
3. The deepest point in the ocean is in the Mariana Trench, about 11 km deep, in the Pacific. The pressure at this depth is huge, about 1.13 x 10³ Pa. (a) Calculate the change in volume of 1.00 m³ of seawater carried from the surface to this deepest point. (b) The density of seawater at the surface is 1.03 x 10³ kg/m³. Find its density at the bottom. (c) Explain whether or when it is a good approximation to think of water as incompressible. [Hint: Although the volume of 1 m³ has changed its mass remains constant.]
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