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Suppose an Olympic diver who weighs 52.0 kg executes a

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 92AE Chapter 5

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 92AE

Problem 92AE

Suppose an Olympic diver who weighs 52.0 kg executes a straight dive from a 10-m platform. At the apex of the dive, the diver is 10.8 m above the surface of the water. (a) What is the potential energy of the diver at the apex of the dive, relative to the surface of the water? (b) Assuming that all the potential energy of the diver is converted into kinetic energy at the surface of the water, at what speed, in m>s, will the diver enter the water? (c) Does the diver do work on entering the water? Explain.

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LifeCycleAnalysis,LightBulbs&ElectricCars Thursday,April27,2017 1:30PM Muchofourenergyconsumptionis"embodied"inproducts - EmbodiedEnergy:energyconsumedbyalltheprocessesassociatedwith makingaproductandfromtheminingandprocessingofnaturalresourceso manufacturing,transportandproductdelivery LifeCycleAnalysis(LCA) - Foranyproduct,tracktheenergyuseassociatedwitheachstepofitslifetime from"cradletothegrave" - Facilitatesidentifying"embodiedenergy"and"operationalenergy" Anexampleofthelightbulb: HowtocompareIncandescent,Fluorescent,LED - Wehavealreadyseenthatincandescentbulbsareinefficientbecausethey producealotofheatcomparedtotheamountoflight.Butthisisjustthe "operationalenergy"use…isitthewholestory "operationalenergy"use…isitthewholestory Whatyoushouldfocusonwhenbuyinglightbulbs: - Lumens,notwatts(youcareabouttheamountoflight) - Coloroflight - Lifespanrelativetoupfrontcostandenergyuse Cars Gasolinevs.HybridVehicle(HV)vs.BatteryElectricVehicle(BEV) GasolineVehicle:theInternalCombustionEngine - Injectfuelandairintosealedcylinder - Sparkignitespetrolvaporandairmixture -->rapidburnofgasoline - Burningvaporexpands,pushingcylinderandgeneratingforce - Crankshaftconvertspistonmotiontorotarymotion Transmission:Usingengineworktomovethecar - Enginecrankshaftconnectsvia

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Chapter 5, Problem 92AE is Solved
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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

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Suppose an Olympic diver who weighs 52.0 kg executes a