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安徽鼎尖教育 2024届高三5月考试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

安徽鼎尖教育 2024届高三5月考试物理试卷答案第一部分

15.(多选)如图所示,放于竖直面内的光滑金属细圆环半径为R,质量为m的带孔小球穿于环上,同时有一长为R的细绳一端系于球上,另一端系于圆环最低点,绳能承受的最大拉力为2mg..重力加速度的大小为g,,当圆环以角速度ω绕竖直直径转动时,下列说法正确的是CA.圆环角速度ω小于gR时,小球受到2个力的作用B.圆环角速度ω等于2gR时,细绳恰好伸直C.圆环角速度ω,等于3gR时,细绳断裂D.圆环角速度ω6gR寸,小球受到2个力的作用

安徽鼎尖教育 2024届高三5月考试物理试卷答案第二部分（待更新）

(3)利用器材完成测绘小灯泡伏安特性曲线实验,得到了如图3所示的伏安特性曲线;然后他将灯泡与改装后的电表串联接在旧蓄电池两端,则蓄电池的输出效率为。(结果保留二位有效数字)