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ID:18513537
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页数:6页
时间:2018-09-18
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1、广东工业大学考试试卷(A)课程名称:大学物理一(双语)考试时间:第21周星期三(7月12日)题号一二三四五六七八九十总分得分评分人1.MultipleChoices(选择题,每个题目3分,共30分。只有一个正确答案。)1)centripetal向心的2)rim轮子3)stretch拉长,拉紧学院:专业:学号:姓名:装订线广东工业大学试卷用纸,共页,第页4)transversewave横波,respectively分别的5)inphase同相;constructiveinterference相干相长6)increase增加7)in
2、cident入射;destructiveinterference相干相消8)diffractiongrating衍射光栅广东工业大学试卷用纸,共页,第页9)relativisticeffect相对论效应10)electron电子1.CompleteBlanks.(填空题,每个题目3分,共30分。)1).Anelectrontravelswithavelocityof0.99calongadrifttubethatis10mlong.Thetransittimeasmeasuredbyanobserverwhoisstationa
3、rywithrespecttothedrifttubet’is_________,andbyanobserverwhomoveswiththeelectront0is___________.2)TheBrewsterangleforproducingaplanepolarizedbeamoflightbyreflectioninairfromacrownglasssurfaceis56.7。,therefractionangleis________.3)Thefigureshowsanoverheadview(俯视)ofabal
4、lwithmassmboundcingfromaverticalwallwithoutanychangeinitsspeedv.Considerthechangeintheball’slinearmomentum,__________,thedirectionofis_________.广东工业大学试卷用纸,共页,第页yx4)Thepositionofaparticularparticleasafunctionoftimeisgivenby.Theparticle’saccelerationasafunctionoftimeis
5、__________________.5)w1w2Amanstandsonafreelyrotatingplatform.Withhisarmsextended,hisrotationfrequencyis0.25rev/s.Butwhenhedrawsin,hisfrequencyis0.80rev/s.Theratioofhismomentofinertiainthefirstcasetothatinthesecond()is____________.6)Theequationofaloudspeakervibratesin
6、SHMis,themaximumvelocityis___________,andthemaximumaccelerationis_______.7)If344brightfringesarecountedwhenthemovablemirrormoves0.125mm,thewavelengthofthelightenteringaMichelsoninterferometer(干涉仪)is________nm.3.SolvingProblems.(计算题,每题10分,共40分)1).AnAtwood’smachine(阿基伍
7、德机)consistsoftwomasses,m1andm2,whichareconnectedbyamasslessinelastic(非弹性的)cordthatpassesoverapulley.IfthepulleyhasradiusRandmomentofinertiaIaboutitaxle.a)Drawfree-bodydiagramsforeachofthetwoblocksandthepulley.b)Determinetheaccelerationofthemassesm1andm2,c)Comparetoth
8、esituationinwhichthemomentofinertiaofthepulleyisignored.广东工业大学试卷用纸,共页,第页广东工业大学试卷用纸,共页,第页2)Unpolarizedlightfallsontwopolarizersheets
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