Asked Dec 9, 2019

A hemespherical tank with radius 3 is filled to the top with a liquid weighing 20 N/m^3. How much work spent pumping all of the liquid out of the tank through the top?


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Considering the radius of the hemispherical tank is 3m. Given that the weight of the liquid is 20N/m³ The expression for displacement of the total liquid is given by d = 37r? d = 3(3.14)(3m) d = 84.78m? The expression for work done in pumping all the liquid out of the tank is given by W = weight x displacement W=20N/m³ x84.78m² W = 1695.6 Nm


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