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PHY1322 Final Exam Answers.doc

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Department
Physics
Course
PHY1322
Professor
All Professors
Semester
Winter

Description
Principles of Physics II PHY1322Instructor Dr Andrzej CzajkowskiFinal ExamApril 16 2012Closed book exam Duration 3 hrsReturn the SCANTRON Sheets onlyPHY 1322Winter 20122ACzajkowski1ParticlescomposedofquarksareaphotonsbleptonscneutrinosdWandZbosonsebaryonsandmesons2MainsequencestaraisastarthatnolongerproducesradiationbisstarthatproducesradiationpredominantlyviaHHesynthesiscisastarthatproducesradiationviacoolingandshrinkingdisatypeofneutronstarenoneoftheabove3RelicradiationAisalmostperfectlynonisotropicanditstemperatureiscloseto3KBisalmostperfectlyisotropicanditstemperaturedependsstronglyonthedirectionofobservationcisalmostperfectlyisotropicanditstemperatureiscloseto3Kdhasnotyetbeenconfirmedexperimentallyeisaradiationemittedbylargeblackholes1654TheradiusofanucleusofHoinfmis67a154b55c128d66enoneoftheabove5Arodlength80cmwitharectangularcrosssection15mm20mmhasaresistanceof020WWhatistheresistivityofthematerialusedtomaketherod77a6010Wmb3810Wm77c7510Wmd3010Wm7e4810Wm6DeterminetheequivalentcapacitanceofthecombinationshownwhenC15mFa20mFb16mFc12mFd24mFe75mF7AsimplependulumismovingwithsimpleharmonicmotionandisatitsmaximumdisplacementfromequilibriumWhichofthefollowingisalsoatitsmaximumaSpeedbAccelerationcPerioddFrequencyeKineticenergy8Twocircusclownseachhavingamassof50kgswingontwoflyingtrapezesnegligiblemasslength25mshowninthefigureAtthepeakoftheswingonegrabstheotherandthetwoswingbacktooneplatformThetimefortheforwardandreturnmotioninsisa10b5 c15d20e259Theobjectdistanceforanobjectinfrontofaconvexlensis30cmIftheimagedistanceis15cmwhatisthefocallengthincma01b001c0134d10e134
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