The rectangular cistern (storage tank for rainwater) shown has its top 15 ft below ground level. The cistern, currently full, is to be emptied for inspection by pumping its contents to ground level. Ground le 15 20 ft Assume that the water weighs 62.3 lb/ft. 35 21 ft 14 ft Complete parts (a) through (d) below. a. How much work will it take the empty the cistern? Set up an integral to find the work done.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Ground level
The rectangular cistern (storage tank for rainwater) shown has its
top 15 ft below ground level. The cistern, currently full, is to be
emptied for inspection by pumping its contents to ground level.
15
20 ft
Assume that the water weighs 62.3 Ib/ft.
35
21 ft
14 ft
Complete parts (a) through (d) below.
a. How much work will it take the empty the cistern? Set up an integral to find the work done.
Ody
W =
Transcribed Image Text:Ground level The rectangular cistern (storage tank for rainwater) shown has its top 15 ft below ground level. The cistern, currently full, is to be emptied for inspection by pumping its contents to ground level. 15 20 ft Assume that the water weighs 62.3 Ib/ft. 35 21 ft 14 ft Complete parts (a) through (d) below. a. How much work will it take the empty the cistern? Set up an integral to find the work done. Ody W =
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