[今日更新]安徽省2024届同步达标自主练习·九年级第五次.物理试卷答案

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[今日更新]安徽省2024届同步达标自主练习·九年级第五次.物理试卷答案试卷答案

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前用原★密TheotoadmirethelakeandtheJetdTheSnol(漫步)alngtheLakefrontandRiversideorohrfoptandbikepthsalontheefbdringthedyandttheriversideandurond:电意bldngicallylit21.WhydidpeoplbuildtheJet'Eau?BTocontroltheoutflowofwaterfromapowerstation.A.Toreyclewaterforanearbypowerstation.CTmakeitthetallestfountainintheworld.0土本年1盛D.TomakeitasymbolofthecityofGeneva.C22.WhatmaypeoplegototheJardinAnglaisfor?【代伦素，守两共)代和代暗一闲A.Plantingsomeflowersinthegarden.容内得求心好市突馨田划1十遇含性金学B.PracticingtheirFrenchinthegarden.C.Goingsightseeingfortheflowerclock.席D.Buyingcheapseasonalflowers.23.WhatdotheriversideandtheJetd'Eauhaveincommon?A.Theyhavebeautifullightsatnight.nthesouth-B.Theyhaveinvitingfountains.10斗evawillfindC.Theyhaveswansinthelake.D.Theyhavepathsforbicycles.熘on,theJetAfterIfinishedmyPhDin2014atDukeUniversity,Istayedforanextrayeartofinisharly140me-paperandlookforapostdoc(position.Thefirststepofmyprocesswastodecide哦whatIwantedtodowithmycareer,andthenIshouldfindalaboratorythatwouldhelpmetotoostrong,achievethat.IwasabitanxiousaboutmakingsuchastrongstatementaboutmycareerafeelingthatIthinkissharedbymanygraduatingstudents.ThenextstepinmyprocesswastobroadlyidentifywhattypeoffieldIwantedtoworkintions,theandwhichtechniques,systemandorganismIwantedtolearn.Severalpeopleadvisedmetoeetowan-changeoertwofthesechoicesfrommyPhDwork,whichwasinyeastcelbiology(细胞生物学).AlthoughIreallyvaluehavingexperieceinmultipefieldsandthnique,Ido'thinkthischangeisabeeceyIalsotalkedmyoptionsthougithmyhDntedlake-dDanielandmabmates.Intheend,Idecidedtostyworkingwithyeasbuttotakeonmorebiochemistryapproaches.clock,an1thenputtogetherisofpeadpperandvritywebsites.Bythisees,andapoint,mypartnerandIhaddecidedthatwewouldliketoliveinEurope,becauseitwouldbeagreatopportunitytomovesomewhereelseandexperienceadifferentwayofliving.I【高三英语第4页（共10页）】2005C·HEN··HEN·

14.m=60kg15(15分)2023年秋某高校军训,如图所示,轻绳一端固定,质量为m=60kg的同学(可视为质点)抓住视为质点)抓住的另一端,使绳水平拉直后由静止摆下过障碍物,已知绳长为L=1.8m,在轻绳到达竖直状态时放状态时放湖素后水索后水平飞出,绳子的固定端到地面的距离为2L.不计轻绳质量和空气阻力,重力加速度g取值R0m/s^2,,求:(1)该同学做圆周运动的过程中合力冲量的大小;(2)该同学摆到最低点(未飞出时)对绳的拉力大小;(3)该同学的落地点离绳的固定端的水平距离和落地时重力的功率大小,L2障

10.t=0时,,A、B两质点从同一位置由静止沿同一方向做匀加速直线运动,在t时间内,,A、B两质点的加速度分别为3a、a(a是不为零的常量);在t时间内,,A、B两质点的加速度分别为a、3a..下列说法正确的是A.t时刻,A、B两质点的速度大小之比为3:1B.2t时刻,,A、B两质点的速度大小之比为1:2C..在0t时间内,,A、B两质点的位移大小之比为2:1D.在~2t时间内,,A、B两质点的位移大小之比为5=3

①实验小组设计的实验电路图如图丙所示。由于没有电压表,需要把电流表A1串联电阻箱R改为量程为3V的电压表,则电阻箱的阻值R=。滑动变阻器应选择(选填“)R1"或“^4R2")