江苏物理试题

江苏物理试题

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时间:2019-10-23

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1、江苏物理试题Thesecretbeforetheopening・Nationalunifiedexaminationforgeneralinstitutionsofhigherlearning(Jiangsuroll)in2013PhysicsexaminationquestionsAsinglechoice:thetotalof5items,eachitemof3points,atotalof15points・Eachitemisonlyoneoptiontoaccept・1.MarsandJupiterorbitthesunintheir

2、respectiveellipticalorbits,accordingtoKepler,slawsofplanetarymotion:(A)thesunisatthecenterofJupiter,sorbit(B)thespeedatwhichMarsandJupitermovearoundthesunarealwaysequal(C)thesquareoftheratioofthecyclesoftherevolutionofMarstoJupiterequaltothecubeoftheratioofthemajoraxisofthe

3、irorbits(D)theareainwhichMarshasbeenwiredtothesunatthesametimeisequaltotheareaofJupiter'slineofattachmenttothesunAsfigure2.shows,the"swing"inthetwoseatA,Bequalmass,hangingonarotatingdiskthroughthecableofthesamelength.Withoutconsideringtheinflueneeoftheairresistance,whenther

4、otatingdiscaroundaverticalcentralaxisuniformly,thefollowingstatementiscorrect(A)AisfasterthanB(B)AisequaltothecentripetalaccelerationofB(C)thecablesofthesuspensionAandBareequalinangletothevertical(D)thecablethatsuspendedtheAwaslesspulledthanthesuspensionBPicturep2・jpg3.each

5、ofthefollowingoptionshasthesamesizeasthe1/4ring,andtheamountofchargehasbeenshowninthediagram,andthechargeisuniformlydistributed.The1/4ringsareinsulatedfromeachother・Themaximumintensityofthefieldatthepointoforigin0isPicturep3・jpg4.intheliquidinfusion,sometimesoutflowfromthen

6、eedlemouthtoinvitro,and(C)issuedashake,thedesignofalarmdevice,thecircuitisshowninfigureM.Thesensorisaffixedontheneedle,thecontactresistanceRMchangeofliquid,resultinginthevoltageacrossSUincreases・Thisdevicegivesthealarm(A)RMbecomeslarger,andthelargerthe

7、R,themoreobvioustheUincreases(A)RMbecomeslarger,andthesmallertheR,themoreobvioustheUincreases(B)RMbecomessmaller,andthelargertheR,themorepronouncedtheU(C)RMbecomessmaller,andthesmallertheR,themorepronouncedtheUPicturep4・jpgOnthe5.horizontals

8、urface,awhiteballcollideswithastationarygrayball,andthemassofthetwoballsisequa1.Th

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