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2024届衡水金卷先享题 信息卷(二)2物理试卷答案试卷答案

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Hewantedtobuildalife-sizedpeacockfountaininElizabeth'sfavoriteparkinthecity.Hethoughtitcouldbeaplaceforpeopletorelaxandbeinspired.JohnMichaelraised$52,000tobuildthefountain.BarrettEngland,13,UtahThewheelsbegantoturnforBarrettEnglandwhenheheardaboutKarmaBikeshop,aplacewhereyoungpeoplecanearnfreebikesbyreadingandperformingcommunityservice.BarrettvisitedKarma'sownerwithhisidea:Hewouldcollectandrepairusedbikesanddonatethemtotheshop.Heexpectedtogetabout10donatedbikes.Intheend,Barrettreceived39.ZacharyBlohm,15,WisconsinThe25-year-oldplaygroundatanelementaryschoolnearMilwaukee,Wis.wassosmallthatonly70ofits575studentscouldplayonitatatime.That'swhenZacharyBlohmsavedtheday.Heandsomevolunteerswantedtobuildahugeplayground.Toraisemoney,ZacplannedT-shirtandbakesales,soldticketsandmore.Heheldmonthlymoney-raisingeventsformorethanayear.Overall,hecollected$130,000---enoughtofinishhisproject.JackZimmerman,16,NewJerseyForsomepeople,findingamealisassimpleasopeningtherefrigerator.Formorethan366,000hungrykidsinNewJersey,it'snotthateasy.Thatfactdidn'tsitwellwithJackZimmerman,whoorganizedadrivetolessenchildhoodhungerinhisstate.Hisgoal:create40,000packagedmealsthatcouldbedonatedtothoseinneed.Ongameday,Jackandhisvolunteersstartedtheirwork.Afterthefinalcount,theteamhadpackaged47,124meals-wellaboveJack'sgoal.21.WhatinspiredThomas'ideaforthefountain?A.Hisexperienceasavolunteer.B.Hiswillingnesstohelpchildren.C.Hiscareaboutthecommunity.D.Hislatefriend'sloveforpeacocks.22.WhatdidZacharyBlohmdofortheplaygroundproject?A.Heheldmoneyraisers.B.Hedonatedmoneytoit.C.Hebuiltitatfirsthand.D.Heofferedguidanceonit.23.Whatdothefourpeoplehaveincommon?A.They'retopstudents.B.Theyprovidesupportforthepoor.C.Theycareaboutothers.D.Theylikedifferentpublicactivities.BTheotherdayIwasdoingsomeshoppingandahomelessman,whowasuntidyandspentmostofthetimetalkingtonoone,walkedtowardagroupofusatthecheckoutstand.Ioverheardhimsaytothemaninfrontofme,"Idon'twanttostealfromthisstore...wouldyoubuymesomefood?"Themaninfrontofmepretendednottohearhim;itwasasifhewerenotthere.Iwaitedpatientlyformyturntobequestioned,butitnevercame.SoIaskedhim,"CanIbuyyousomethingtoeat?"Hegladlyaccepted.Themangotabagandbeganputtingcupcakesinthebag.AsmythingswerebeingrungupIwatchedthemanputthecupcakesintothebag;1,2,3...HefinallystoppedandIaskedhim

2024届衡水金卷先享题 信息卷(二)2物理试卷答案第一部分

(6分)如图1所示是探究合外力做功和动能关系的装置,小车上装有一个光条,木板的下端安装一个光电门1(1)实验步骤如下:①用游标卡尺测得遮光条的宽度d1②细绳一端系在质量为M的小车上,另一端绕过定滑轮后挂一个小砝码盘:在质量为m的盘中放入质量为n的砝码,用活动支柱将木板固定有定滑轮的一端垫高,调整木板倾角,轻推小车使其恰好沿木板匀速下滑:④保持木板倾角不变,取下砝码盘,释放小车,将砝码的质量m和对应的小车通过光电门的时间记人表中;⑤改变砝码的总质量重做步骤③④.

2024届衡水金卷先享题 信息卷(二)2物理试卷答案第二部分（待更新）

5.1801年,托马斯·杨用双缝干涉实验研究了光波的性质。1834年,洛埃利用平面镜同样在光屏上得到了明暗相间的条纹,该实验的基本装置如图所示。水平放置的平面镜MN左上方有一点光源S,仅发出单一频率的光,平面镜右侧固定有竖直放置的足够长的光屏,平面镜所在水平线与光屏的交点为P,下列说法正确的是A.光屏上,P点上下均有条纹B.只将光屏右移,相邻亮条纹间距变宽C.只将光源上移,相邻亮条纹间距变宽D.只将光源的频率变大,相邻亮条纹间距变宽