人教版高中物理选修11高二上学期期中考试物理中澳班试题无答案docx.docx

人教版高中物理选修11高二上学期期中考试物理中澳班试题无答案docx.docx

《人教版高中物理选修11高二上学期期中考试物理中澳班试题无答案docx.docx》由会员分享，可在线阅读，更多相关《人教版高中物理选修11高二上学期期中考试物理中澳班试题无答案docx.docx（8页珍藏版）》请在冰点文库上搜索。

人教版高中物理选修11高二上学期期中考试物理中澳班试题无答案docx

高中物理学习材料

唐玲收集整理

1.Thefollowingvelocity–timegraphwasderivedfromatestdriveofaprototypesportscar.Thecarstartedfromrestandinitiallytravellednorth.

aWhatdistancedidthecartravelbetween12sand28s?

bCalculatethedisplacementofthecarafter28s.

cWhatwastheaveragespeedofthecarduringthe28sinterval?

dCalculatetheaccelerationofthecarbetween4sand12s.

2.Abatsmanhitsacricketball（fromgroundlevel）ataspeedof30.0ms–1andatanangleof36.9°tothehorizontalasshown.Airresistancecanbeignored.

aWhatisthemaximumheightthattheballreaches?

bWhichofthearrows（Q–T）inFigure4bestrepresentstheresultantforceontheballatpointX?

cAnadvertisingboardisnowplacedontheboundaryofthecricketgroundatadistance72.0mfromthebatsmanasshowninFigure5.Assumingtheballishitexactlythesamewayasinthepreviousquestion,atwhatheightabovethegroundwilltheballstriketheadvertisingboard?

Youmustshowyourworking.

2.

Duringatennismatch,atennisballofmass100gisserved.Assumethattheinitialspeedoftheballiszero.Theracquetexertsaforceontheballasshowninthediagrambelow.

aCalculatethenetimpulsedeliveredtotheball.

bCalculatethespeedwithwhichthisballwasserved.

4.Atoyplaneislaunchedbyusingastretchedrubberbandtofiretheplaneintotheair.therubberbandisstretchedby25cmandhasaspringconstantof120Nm–1.themassoftheplaneis160g.assumethattherubberbandfollowshooke’slawandignoreitsmasswhenansweringthesequestions.

ahowmuchpotentialenergyisstoredintherubberbandatthisextension?

bcalculatethespeedwithwhichthemodelplaneislaunched.

5.Astudentarrangesatoycartrackwithaverticalloopofradius0.200m,asshown.

acarofmass150gisreleasedfromaheightof1.00matpointX.thecarrollsdownthetrackandtravelsaroundtheloop.assuminggis9.80ms–2,andignoringfriction,calculate:

athespeedofthecarasitreachesthebottomoftheloop,pointY

bthenormalreactionforcefromthetrackatpointY

cthespeedofthecarasitreachesthetopoftheloopatpointZ

dtheapparentweightofthecaratpointZ

6、Duringagameoftotemtennis,theballofmass150gisswingingfreelyinahorizontalcircularpath.thecordis1.50mlongandisatanangleof60.0°totheverticalshowninthediagram.

aDeterminethenetforcethatisactingontheballatthistime.

bcalculatethesizeofthetensileforceinthecord.

chowfastistheballtravellingatthistime?

7.GanymedeisthelargestofJupiter’smoons.ItisaboutthesamesizeastheplanetMercury.Ganymedehasamassof1.66×1023kg,anorbitalradiusof1.07×109mandanorbitalperiodof6.18×105s.

aUsethisinformationtodeterminethemassofJupiter.

bCalculatetheorbitalspeedofGanymede.

cCalculatethegravitationalforcethatGanymedeexertsonJupiter.

8.MeredithandHilaryarestudyingcollisionsbyslidingblockstogetheronafrictionlesstable.Meredithslidesablockofmass2kgwithaspeedof3ms–1thatcollideswithablockofmass1kg,whichwasatrest.Afterthecollisionthe1kgblockhasaspeedof4ms–1.ThesituationsbeforeandafterareshowninFigurebelow.

aShowthat,aftertheimpact,thevelocityofthe2kgblockis1ms–1.

bIndicatewhetherthisisanexampleofanelasticorinelasticcollision.Includecalculationstojustifyyouranswer.

9.Aportablerefrigeratoriscontrolledbythethermistorcircuitshown.Thecontrolcircuitissuppliedbythe12Vbatteryofacaranditisrequiredtokeeptherefrigeratortemperaturebelow10°C.Anoutputvoltageof4.0Visrequiredtoturnthecoolingsystemon.Usingthecharacteristiccurveofthethermistorshown,determinetherequiredmaximumvalueofthevariableresistor.

10.Tworesistorsareusedtomakeavoltagedividertousewitha6.0Vbattery,asshownbelow,inordertoobtaina4VoutputbetweenPandQ.WhatistheresistanceoftheresistorR1?

11.Thecircuitisnowadjustedasshown.Thecurrentflowingisnow4.5mA.

aWhatisthevoltage,VXY,acrossthediode?

bWhatistheresistanceofR2?

Theresistanceoftheammeterinthecircuitcanbeignored.

12.Thefollowinggraphshowstheresistance--temperaturecharacteristicsofathermistor.AcircuitusesthisthermistoraspartofatemperaturesensorwhichcanactivateanLEDwheneverthetemperaturerisesaboveacertainlevel.

aWhatistheresistanceofthethermistorat20°C?

bThepotentialdifferenceacrosstheLEDat20°Cis2.5Vandthecurrentthroughitis11mA.WhatisthevalueofR?

cTheLEDisactivatedbyaminimumpotentialdifferenceof2.0Vacrossitwhichgivesacurrentthroughitof4.8mA.WhatistheminimumtemperaturethatwillactivatetheLED?

13.Thegraphshowsthecharacteristicsoffourdifferentvoltageamplifiers（a–D）.theinputvoltagetotheseamplifiersislimitedtobetween±600mV.

aCalculatethevoltagegainoftheamplifierA.

bIftheinputvoltageisasshowninthediagram,sketchtheoutputvoltageforamplifiersB

cIftheinputvoltageisasshowninthediagram,sketchtheoutputvoltageforamplifiersA