国际高中学校斯代文森国际高中PhysicsTest.doc

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1、PHYSICS:FinalExaminationClass_11A_Name(Chinese&English)_________________________Score________________1.Twoofthetiresonafarmer’stractorhavediametersof1.5m.Ifthefarmerdrivesthetractoratalinearvelocityof3.0m/s,whatistheangularvelocityofeachtire?A.2.0rad/sB.2.3rad/sC.4.0rad/sD.4.5rad/s2.Askaterwi

2、thamassof50.0kgslidesacrossanicypondwithnegligiblefriction.Asheapproachesafriend,bothheandhisfriendholdouttheirhands,andthefriendexertsaforceinthedirectionoppositetotheskater’smovement,whichslowstheskater’sspeedfrom2.0m/sto1.0m/s.Whatisthechangeintheskater’skineticenergy?A.-25JB.-75JC.-100JD.

3、-150J3.Abicyclistincreasesherspeedfrom4.0m/sto6.0m/s.Thecombinedmassofthebicyclistandthebicycleis55kg.Howmuchworkdidthebicyclistdoinincreasingherspeed?A.11JB.28JC.55JD.550J4.Aforceof16Nexertedagainstarockwithanimpulseof0.8kg•m/scausestherocktoflyoffthegroundwithaspeedof4.0m/s.Whatisthemassoft

4、herock?A.0.2kgB.0.8kgC.1.6kgD.4.0kg5.Achildattemptsuseawrenchtoremoveanutonabicycle.Removingthenutrequiresatorqueof10N•m.Themaximumforcethechildiscapableofexertingata90˚angleis50N.Whatisthelengthofthewrenchthechildmustusetoremovethenut?A.0.1mB.0.15mC.0.2mD.0.25m6.An82-kghockeygoalie,standinga

5、trest,catchesa0.105kghockeypuckthatismovingataspeedof46m/s.Withwhatspeeddoesthegoalieslideontheice?A.0.059m/sB.0.56m/sC.1.2m/sD.5.3m/s7.Youdropa6.0×10--2-kgballfromaheightof1.0maboveahard,flatsurface.Theballstrikesthesurfaceanditsenergydecreasesby0.14J.Itthenbouncesbackupward.Howmuchkineticen

6、ergydoestheballhavejustafteritbouncesfromtheflatsurface?A0.20JB.o.59JC.0.45JD.0.73J8.Twopeoplecarryidentical40.0-Nboxesuparamp.Therampis2.00mlongandrestsonaplatformthatis1.00mhigh.Onepersonwalksuptherampin2.00s,andtheotherpersonwalksuptherampin4.00s.Whatisthedifferenceinpowerthetwopeopleuseto

7、carrytheboxesuptheramp?A.5.00WB.10.0WC.20.0WD.40.09.Acarmovesadistanceof420m.Eachtireonthecarhasadiameterof42cm.Whichshowshowmanyrevolutionseachtiremakesastheymovethatdistance?A.rev.B.rev.C.rev.D.rev.10.Whatismeantby“anisolatedsystem”?11.Inas