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Fluids Q4
Problem 4: A weather balloon has an absolute-pressure sensor attached. On the ground the sensor reads PA = 1.01x10° Pa. At a height of h = 979 m, the sensor reads PR = 8.82×104 Pa. A Part (a) Assuming air is an incompressible fluid, enter an expression for an estimate of the density of air, in terms of the defined quantities and the acceleration due to gravity, g. Expression : Select from the variables below to write your expression. Note that all variables may not be required. B, Y, 0, b, d, g, h, j, k, m, n, P, PA, PB, S Part (b) Calculate the density of air, in kilograms per cubic meter, assuming it is an incompressible fluid. Numeric : A numeric value is expected and not an expression.
Transcribed Image Text:Problem 4: A weather balloon has an absolute-pressure sensor attached. On the ground the sensor reads PA = 1.01x10° Pa. At a height of h = 979 m, the sensor reads PR = 8.82×104 Pa. A Part (a) Assuming air is an incompressible fluid, enter an expression for an estimate of the density of air, in terms of the defined quantities and the acceleration due to gravity, g. Expression : Select from the variables below to write your expression. Note that all variables may not be required. B, Y, 0, b, d, g, h, j, k, m, n, P, PA, PB, S Part (b) Calculate the density of air, in kilograms per cubic meter, assuming it is an incompressible fluid. Numeric : A numeric value is expected and not an expression.
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