2024年陕西省初中学业水平考试（SX9）物理试卷答案试卷答案,炎德英才答案网站目前收集并整理关于2024年陕西省初中学业水平考试（SX9）物理试卷答案试卷答案得系列试题及其答案，更多试题答案请关注我们

2024年陕西省初中学业水平考试（SX9）物理试卷答案试卷答案

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第二节（共5小题；每小题2.5分，满分12.5分）根据短文内容，从短文后的选项巾选出能填入空白处的最佳选项

选项巾有两项为多余选项

I'maslowreader.16Thisisfineformebecausemytargetistofocusonquality.Inthepast,Iusedtospendthetimenecessarytogetthemostoutofthebookwithoutgettinglostindetails.ButnowIattachmoreimportancetoqualitythanquantity.Howcanwedothat?Howcanwechooseagoodbooktoread?Herearethreesimplestepsonhowtochooseagoodbooktoread.17Ibelievethathavingtherightattitudeisthestartingpoint.Whatistherightattitudetohave?Whenitcomestoself-education,therightattitudeiscuriosity.Becauseunlikeformaleducationwhereexternal()factorspushyoutolearn,withself-educationyouneedtomotivateyourself.Curiosityislikefuelinyourself-educationjourney.Findpotentialbooks.Tofindagoodbooktoread,youshouldcollectpotentialbookstoread.Inmycase,IusuallyputthemonmyAmazonwishlist.Howdoyoufindthesepotentialbooks?18Ialsofollowsomewebsitesthatoftenrecommendgoodbooks.Icanthendecidewhetherornotthebookisagoodoneforme.19Choosethebestbookforyourcurrentsituation.Withalistofpotentialbookstoread,howdoyouchoosewhichonetoread?20Whichbookwouldmakethemostdifferenceinmycurrentsituation?Thisquestionmightseemsimple,butifyouuseit,itcanmakeabigdifferenceinyourpersonalgrowth.A.Becurious.B.Becautious.C.Inmycase,Iaskmyselfaquestion.D.Well,myfirstsourceisbestsellerlists.E.Icanknowmoreabouttheauthorofabook.F.Ingeneral,Icanonlyfinishtwobooksinamonth.G.Ifitis,thenI'lladdittomylistofpotentialbookstoread.第二部分语言运用（共两节，满分45分）第一节（共15小题；每小题2分，满分30分)阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项

IthappenedinKnoxville(acityinTennesseeintheUS).Amothersaidshewasfeeling21asshetriedtocomfortherautistic()son.Butastranger'sactofkindnessturnedbothoftheirdaysaround.AshleyFoxwas22atWalmartwithhersonNorris,three.Norrispickedoutatoydogatthestore.23,itcostmorethanFoxhad24,sosheputitback.“That'swhenNorrisjusthadameltdown(情绪突然失控).IrushedoutofWalmartasfastasIcould.Hewasscreamingand25,"saidFox.ShewasstrugglingtogetNorrisintohiscarseatwhenawomanapproachedherwiththe26hersonhadwantedinthestore."Theladycameupbehindmeandshepulledthistoyout,andshesaid,'Isthiswhathewaswanting?'andIsaid,'(hmygod,yesitis.'Igaveittohimandhejust27.Itwasgreat.Iexpressedmy28toherandofferedtopayforthistoy.She29toletmedoit,30sayingthatsheunderstoodthatbecauseshehas31,too.Ijustreallywantedhertoknowthatitmadehisnightandmadehis32HelovesitandIjustthinkitwasareally33thingthatshedid,"saidFox.23017A

2024年陕西省初中学业水平考试（SX9）物理试卷答案第一部分

17.(20分)如图所示,固定的竖直光滑圆轨道与斜光滑直轨道相切与C点,轨道半径R=0.5m,,直轨道倾角=37^,,质量m=0.2kg的小球B锁定在C点,固定的水平发射装置发射小球A,小球A以最小速度和B发生碰撞,小球A与小球B碰撞前瞬间,小球B解除锁定,两小球质量相等,碰后两个小球粘在一起,沿光滑轨道在D点无能量损失的滑上小车,小车放在光滑水面上,右端固定一个轻弹簧,弹簧原长为EF,小车DE段粗糙,小球与DE段的动摩擦因数=0.25,EHF段光滑,小车的质量M=1kg,重力加速度g=10m/s^2,sinθ=0.6,cosθ=0.8,,求(1)水平弹簧装置具有弹性势能EA(2)小球恰好不从小车上滑下,小车DE段的长度L(3)为保证小球既要挤压弹簧又不滑离小车,小车DE段的长度L的取值范围。

2024年陕西省初中学业水平考试（SX9）物理试卷答案第二部分（待更新）

9.(4分)如图所示,当人用手接触范德格拉夫起电机的金属球时会出现头发竖起来的现象,范德格拉夫起电机起电过程(填“满足”或“不满足”)电荷守恒;出现头发竖起来的现象是因为同种电荷相互(填“排斥”或“吸引”)。