The rectangular cistern (storage tank for rainwater) shown has its top 4 m below ground level. The cistern, currently full, is to be emptied for inspection by pumping its contents to ground level. Assume that the water weighs 9810 N/m³. Ground level 5m Complete parts (a) through (d) below. . How much work will it take the empty the cistern? Set up an integral to find the work done. 8 w = | 9810(35)y dy tow much work does it take to empty the tank? 8,240,400' joules (Round to the nearest integer as needed.) 1 o. How long will it take a --hp pump, rated at 350 joules/sec to pump the tank dry?

The rectangular cistern (storage tank for rainwater) shown has its top 4 m below ground level. The cistern, currently full, is to be emptied for inspection by pumping its contents to ground level. Assume that the water weighs 9810 N/m³. Ground level 5m Complete parts (a) through (d) below. . How much work will it take the empty the cistern? Set up an integral to find the work done. 8 w = | 9810(35)y dy tow much work does it take to empty the tank? 8,240,400' joules (Round to the nearest integer as needed.) 1 o. How long will it take a --hp pump, rated at 350 joules/sec to pump the tank dry?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section10.1: Work And Energy

Problem 7PP

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