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Locate the centroid z of the spherical segment. z x y a z

Engineering Mechanics: Statics | 14th Edition | ISBN: 9780133918922 | Authors: Russell C. Hibbeler ISBN: 9780133918922 126

Solution for problem 9-49 Chapter 9

Engineering Mechanics: Statics | 14th Edition

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Engineering Mechanics: Statics | 14th Edition | ISBN: 9780133918922 | Authors: Russell C. Hibbeler

Engineering Mechanics: Statics | 14th Edition

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Problem 9-49

Locate the centroid z of the spherical segment. z x y a z 1 2 C a z2 a2 y2 Prob. 949

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SarahStewart BIOL1040 Exam3notes Chapter42:TheImmuneSystem Lecturegiven3/1/16 • Canfightoffpathogenswithbarriers(skinandmucousmembranes),nonspecific internaldefenses(phagocytosis,naturalkillercells,inflammation),andspecific immuneresponse(cell-mediatedandhumoralimmunity). Innateimmunity–aseriesofdefensesthatactimmediatelyuponinfection • Invertebratesrelysolelyonthis,canconsistof o Exoskeleton o LowpH o Enzymes o Immunecellscapableofphagocytosis • Vertebrateshaveinnateandadaptiveimmunity o Skinandmucousmembranes o Interferons o Neutrophils–phagocyticcells o Naturalkillercells-attackcancercellsandvirus-infectedcells o Macrophages o (Mostofthesearemodifiedwhitebloodcells) o Complementsystem • Tissuedamagetriggerstheinflammatoryresponse,candisinfectinfectedtissues andlimitthespreadofinfection SarahStewart BIOL1040 Exam3notes • Canbelocalizedorwidespread;somebacteriamaymakeittothebloodstreamif notdisinfectedfully,causesbacterialinfection • Bacterialinfectionsbringaboutinflammatoryresponseleadingtosepticshock– highfever,lowbloodpressure Lecturegiven3/10/16 Lymphaticsystem–abranchingnetworkoflymphaticvessels,lymphnodes(filterout bacteria,butcanswellup),andcirculatinglymph(similartointerstitialfluid,buthasless nutrients) • Lymphaticvessels–collectfluidfrombodytissues,returnlymphtoblood • 2mainfunctionsonlymphaticsystem: o Toreturntissuefluidtothecirculatorysystem o Tofightinfection • Aslymphcirculates,itcollectsmicrobes,partsofmicrobes,andmicrobialtoxins; transportsthesetolymphaticorganswheremacrophagesingesttoxinsand lymphocyteshaveanadaptiveresponse Adaptiveimmunity(acquired)–asetofdefensesfoundonlyinvertebratesthatisonly activatedafterexposuretocertainpathogens • Slowerresponse,recognizesspecificpathogens(antigens),andhasa“memory” • Ourcellsarelabeledwithuniquesurfacemembraneproteins(MHCmarkers) thatcharacterizecellsasours,distinguishthesefromforeignparticles o Self–abletorespondtothingsthatareapartofus SarahStewart BIOL1040 Exam3notes o Non-self–whattriggersanimmuneresponse,isnotapartofus Antigens–anyoutsidesubstancethatelicitsanadaptiveimmuneresponse;canbe viruses,bacteria,dust,etc.–anythingforeign • Whileantigenreceptorsareveryspecific,antigensthemselvescanbindto severaldifferentcellsandtheirantigenreceptors Lymphocytes–whitebloodcellsresponsibleforadaptiveimmunity,originatefromstem cellsinthebonemarrow • Differenttypesoflymphocytes o Blymphocytes(Bcells)–continuetodevelopinthebonemarrow; humoralimmuneresponse o Tlymphocytes(Tcells)–developfurtherinthethymusglandtomature; cell-mediatedimmuneresponse o Bothofthesefinishmaturinginlymphaticorgans(lymphnodes,spleen) • BandTcellsdifferentiatefromeachotherandothercellsduringmaturationby formingantigenreceptorsintheirplasmamembrane;allantigenreceptorsona certaincellareidenticalandrespondtoonlyoneantigen • Together,BandTcellswardoffdiseasesandinfectioninbothbodyfluidsand cells–everypersonhascommonanduniqueresponsestocertainantigens Clonalselection–modelforadaptiveimmunitydealingwithantigens • AcertainBcellisselectedandmultipliedinresponsetoanantigen SarahStewart BIOL1040 Exam3notes • SomeoftheseBcellsbecomeeffectorcells,whichsecreteantibodiesintothe bloodandlymph • Othersbecomememorycells,usedifantigenencounteredagain • Primaryvs.secondaryimmunity o Primaryresponseoccursatthefirstencounterwithanantigen,slow o Secondaryresponseoccursatthesecondencounterwithanantigen, faster o Bothactivateeffectorcellsandmemorycells

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Chapter 9, Problem 9-49 is Solved
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Textbook: Engineering Mechanics: Statics
Edition: 14
Author: Russell C. Hibbeler
ISBN: 9780133918922

Engineering Mechanics: Statics was written by and is associated to the ISBN: 9780133918922. This full solution covers the following key subjects: centroid, locate, prob, segment, spherical. This expansive textbook survival guide covers 11 chapters, and 1136 solutions. The answer to “Locate the centroid z of the spherical segment. z x y a z 1 2 C a z2 a2 y2 Prob. 949” is broken down into a number of easy to follow steps, and 22 words. The full step-by-step solution to problem: 9-49 from chapter: 9 was answered by , our top Engineering and Tech solution expert on 11/10/17, 05:25PM. This textbook survival guide was created for the textbook: Engineering Mechanics: Statics, edition: 14. Since the solution to 9-49 from 9 chapter was answered, more than 360 students have viewed the full step-by-step answer.

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Locate the centroid z of the spherical segment. z x y a z