[今日更新]广东省名校联盟2023-2024学年下学期高二期中检测.物理试卷答案

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[今日更新]广东省名校联盟2023-2024学年下学期高二期中检测.物理试卷答案试卷答案

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51.A.applicationB.apologyC.requestD,invitation52.A.hungryB.deadC.missingD.wild53.A.wakeupB.getoutC.takeoffD.breakin54.A.messB.puzzleC.fightD.challenge55.A.recoveredB.retiredC.escapedD.matured56.A.sufferingB.plansC.madnessD.actions57.A.handsinpocketsB.noseintheairC.hatinhandD.feetontheground58.A.indirectlyB.deliberatelyC.cautiouslyD.secretly59.A.replaceB.rememberC.reconsiderD.renew60.A.arrivedB.workedC.endedD.disappeared选择题答题栏题号41424344454647484950答案题号51525354555657585960答案Cloze2(2020·全国Ⅱ卷)ItwasjustaftersunriseonaJunemorning."Nicolo,"whoserealnamecannotbe41tothepublicbecauseofItaly'sprivacylaws,42workingthewholenightatafactoryinTurin.Asheoftendid,hestoppedbythe“afterworkauction(拍卖)”43_bytheItalianpolicewherethings44onthetrainsweresoldtothehighestbidder.There,amongmanyotherthings,Nicolospottedtwopaintingshethoughtwouldlook45abovehisdiningroomtable.Nicoloandanotherbiddere46untilNicolofinallywonthepaintingsfor$32.WhenNicoloretiredandwenttoliveinSicily,he47thepaintingswithhim.Hehungthemabovethesametablehehad48fromTurin.Hisson,age15,whohad49anartappreciationclass,thoughtthattherewassomething50abouttheonewithayounggirlsittingonagardenchair.Itwassigned(签名)“Bonnato'”orsohethought,butwhenhe5l_it,heonlyfound"Bonnard",aFrench52hehadneverheardof.Heboughtabookandwas53tofindapictureoftheartistPierreBonnardsittingonthesamechairinthesame54ashisfather'spainting."That'sthegardeninourpicture,"Nicolo'ssontoldhisfather.They55learnedthatthepaintingthey56wascalled"TheGirlwithTwoChairs".They57theotherpaintingandlearnedthatitwas58PaulGauguin's"StillLifeofFruitonaTablewithaSmallDog.The59calledtheItalianCultureMinistry;theofficialconfirmedthatthepaintingswere60andworthasmuchas$50million.【最新5年高考真题分类优化精练·英语卷（十）第2页（共4页）QG】

v0=2m/s的14.(14分)如图为苹果自动分拣装置的示意图,该装置在工作时,左侧传送带以v=2m/s转动滑速度顺时针转动.依次将大小不同的苹果由传动带的左侧无初速释放,当苹果滑上光滑的托盘称动力托盘称上时,托盘称向下挤压压力传感器R,R的电阻阻值随压力的增大而减小,当压力R1,R1大小大于、等于设定值时,电磁铁吸引分拣板与下通道连接,小于设定值时,分拣板与上通道道连接,分拣板厚度不计.已知苹果与传送带间的动摩擦因数μ=0.2,与分拣板和上下通道间的动摩擦因数;1=0.2,2=0.25,5传μ=0.25,传送带长L=2m,小苹果在通道上滑行的距离为=0.28m,L=2m,l1=0.28m,大苹果在通道上滑行的距离为1=0.92m,分拣板的转轴O位于上下水平通道的中线上,l2=0.92m,10m/s^2.重力加速度g取10m/s.不计苹果经过传送带、托盘称、分拣板和上下通道的衔接点时的能量损失(1)求苹果在传送带上运动的时间;(2)如果某个苹果的质量为0.4kg,求此苹果与传送带间因摩擦产生的热量;(3)求上下通道间距与分拣板长度的比值.

(4)在白纸上按一定标度作出电子秤拉力F、F1、F2的图示,根据平行四边形定则作出F1、F2的合力F的图示,若,则平行四边形定则得到验证。

5.一带电小球在电场中做圆周运动从某时刻开始计时,在0t0时间内,该小球的动能和电势能随时间的变化关系分别如图中①、②图线所示,其中图线①与横轴平行,则该小球在0t0时间内C①①E1盆交A.动量不变)B.合力不变X电场力做负功D.刚好运动一周和0水状同