A water tank has the shape of an upright cylinder with a base radius r = 2 meters and a height h = 5 meters.  It is filled to a level of 3 meters with water having density σ = 1000 kg/m. Which integral computes the work required to pump all of the water out the top of the tank?

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter65: Achievement Review—section Six
Section: Chapter Questions
Problem 54AR: Solve these prism and cylinder exercises. Where necessary, round the answers to 2 decimal places...
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A water tank has the shape of an upright cylinder with a base radius r = 2 meters and a height h = 5 meters.  It is filled to a level of 3 meters with water having density σ = 1000 kg/m. Which integral computes the work required to pump all of the water out the top of the tank?

Expert Solution
Step 1

Work done bringing up a mass m to height h is mgh

Volume of a cylinder is pir^2h

 

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