Part AIn order to keep a basement from flooding, it is necessary to pump 285 kg of water each minute from the basement up to a height of 3.28 m (and then outside).18.6% of the total energy used by the pump is wasted as heat, what is the minimum wattage pump that is required to keep the basement from flooding? (enter your answer to three significant figures)possibly useful:P = AE/AtUgrav = mgh%3Dg = 9.81 m/s?%3D1 kW-hr 3.60 x 106 J%3D188 WScbmitPrevious AnswersCorrectPart BIf electricity costs 17.4 cents/kW-hr, how much will it cost to run the pump for 72 hours? (enter your answer in dollars to three significant figures)235dollarsSubmitPrevious Answers Request AnswerX Incorrect; Try Again; 4 attempts remaining

Given data : Total power used by the pump, P = 188 W Cost of…

Answered: If electricity costs 17.4 cents/kW-hr,…

If electricity costs 17.4 cents/kW-hr, how much will it cost to run the pump for 72 hours? (enter your answer in dollars to three significant figures)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Part A
In order to keep a basement from flooding, it is necessary to pump 285 kg of water each minute from the basement up to a height of 3.28 m (and then outside).
18.6% of the total energy used by the pump is wasted as heat, what is the minimum wattage pump that is required to keep the basement from flooding? (enter your answer to three significant figures)
possibly useful:
P = AE/At
Ugrav = mgh
%3D
g = 9.81 m/s?
%3D
1 kW-hr 3.60 x 106 J
%3D
188 W
Scbmit
Previous Answers
Correct
Part B
If electricity costs 17.4 cents/kW-hr, how much will it cost to run the pump for 72 hours? (enter your answer in dollars to three significant figures)
235
dollars
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 4 attempts remaining

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In order to keep a basement from flooding, it is necessary to pump 285 kg of water each minute from the basement up to a height of 3.28 m (and then outside). If 18.6% of the total energy used by the pump is wasted as heat, what is the minimum wattage pump that is required to keep the basement from flooding?
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