[今日更新]2024届冲刺04.物理试卷答案

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2022一2023学年度高三一轮复习周测卷（十）何长英语最双衣，天g0件691d630(考试时间40分钟，总分100分)一、阅读理解（共8小题；每小题5分，满分40分）阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项

AAroundtheWorldinEightyDays!-ByJulesVerne"WesetoutforDoverandCalaisintenminutes,"Foggannounced.ApuzzledgrinappearedinPassepartout'sroundface:clearlyhehadnotunderstood."Monsieurisgoingtoleavehome?""Yes,"repliedPhileasFogg."Wearegoingaroundtheworld."Passepartout'seyeswidened,heraisedhiseyebrows,helduphishandsandseemedabouttocollapse."Roundtheworld!"hemurmured."Ineightydays,"respondedMr.Fogg.“Sowedon'thaveamomenttolose..”“Butthecases??”gaspedPassepartout..“Wewon'thaveanycases,”Foggreplied."Onlyabagwithtwoshirtsandthreepairsofstockingsformeinit,andthesameforyou.We'llbuyourclothesontheway.Bringdownmyraincoatandtravellingcloak,andsomestrongshoes,althoughwewilldolittlewalking.Hurryup!"Passepartouttriedtoreply,buthecouldnot.Hemechanicallybegantomakethepreparationsfordeparture.Aroundtheworldineightydays!Washismasterafool?No.Wasthisajoke,then?TheyweregoingtoDover;good!ToCalais;goodagain!Afterall,Passepartout,whohadbeenawayfromFranceforfiveyears,wouldn'tbesorrytosetfootinhisowncountryagain.PerhapstheywouldgoasfarasParis,anditwoulddohiseyesgoodtoseeParisonceagain.·36·

C4R=20cm如图所示,光滑水平面内固定着半径R=20cm的三分之二光滑圆弧轨道ABC,空间有水平E=4V/m,有水平向右的匀强电场,电场强度E=4V/m,以圆心O为原点建立沿电场线方向的坐标轴x,其OC其中A点和C点关于x轴对称,OA和OC均与x轴间夹角为60°,一带正电小球从x轴上M60^,v0轴上M点垂直x轴方向以速度v沿水平面方向抛出,小球恰好从A点沿切线方向进人圆弧轨道,q=1C、已知小球电荷量q=1C、质量m=0.1kg,m=0.1kg,kg,以下说法正确的是v0A.小球初速度v大小为4m/sB.M点坐标为xM=-30cmC.小球对轨道的最大压力为24ND.小球运动具有周期性

3.如图甲所示,光电管的阳极和阴极为两正对平行放置的半径为R的圆形金属板,板间距为da用频率一定的细光束照射阴极板的圆心,发生光电效应。调节滑动变阻器的滑片改变两板间的电压,描绘出的I-U关系图线如图乙所示。若光电子从阴极板圆心处沿任意方向飞出,则电流恰达到饱和时两板间的电压约为A.U1d^2R^2

A.甲车的加速度大小为8m/s^210.甲车沿平直公路匀速行驶,乙车停在甲车前方相邻的车道上。当两车相距x0=22m时,甲车开始匀减速刹车,此时乙车开始运动,行驶方向与甲车相同。甲、乙两车的,0v-t图像如图所示。则244t²=246-121&2×4×128.2-1&2.t=22+4t28-8t=4tB.甲、乙两车速度相等时,甲车在乙车前方983mt=28&127&3C.甲车追上乙车所用时间是1s1&2×4)D.甲、乙两车会相遇两次4t2²-24t+22=0