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Namrata
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Homework Statement
What suction (or negative pressure) is required to support a column of liquid 20 m high? Does this exceed the tensile strength of water?
Homework Equations
Bulk Modulus = (Change in Pressure/ (Change in Volume/Volume))
Pressure = Force / Area
The Attempt at a Solution
Tensile strength of water = 20 MPa
Pressure = Force / Area
Assume column has a diameter of 1 unit.
The surface area of this column is thus:
Circumference x Height of column + Area of top of column
= 62.83 + 0.79
=63.62 units2