《大学物理》（全英班）2012-2013试卷 （b卷）

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1、姓名学号学院专业座位号(密封线内不答题)……………………………………………………密………………………………………………封………………………………………线……………………………………线………………………………………_____________________…诚信应考,考试作弊将带来严重后果！华南理工大学期末考试《大学物理》（全英班）2012-2013(2)期末试卷（B卷）注意事项：1.考前请将密封线内各项信息填写清楚；2.所有答案请直接答在答题纸上；3．考试形式：闭卷；4.本试卷共15题，满分100分，考试时间120分钟。考试时间：2012年7月8日9：

2、00-----11：00题号III总分得分评卷人ⅠCompletion(Total40points,4points/question)1.Threevectorsaregivenby,,and,then,.2.Onlytwohorizontalforcesactona3.0kgbodythatcanmoveoverafrictionlessfloor.Oneforceis9.0N,actingdueeast,andtheotheris8.0N,actingnorthofwest.Themagnitudeofthebody’saccelerationis

3、.3．Abulletofmassmovingathorizontalvelocitystrikesandstickstotherimofawheel(asoliddisc)ofmass,radius,anchoredatitscenterbutfreetorotate.Findthefinalangularvelocity=.4.Aforce,withinmeters,movesaparticlefromapositiontoaposition,theworkisJ.《大学物理》(全英班)2012-2013(2)期末试卷（B卷）第16页共16页5．As

4、atelliteismovinginanellipticalorbitaboveEarth’ssurface,asthefigureshowed.ItsclosedpointisAanditsfarthestpointisB.ThedistancebetweentheEarth’scenterwithpointAandpointBarerespectively.Supposedthesatellite’smassis,theEarth’smassis,thegravitationalconstantis.Thenthesatellite’sdiffer

5、enceofgravitationalpotentialenergyatpointBandpointAis,thesatellite’sdifferenceofkineticenergyatpointBandpointAis.6.Anironanchorofdensity7870kg/m3appears200Nlighterinwaterthaninair.Thevolumeoftheanchoris.Itsweightintheairis.7.Fourwavesaretobesentalongthesamestring,inthesamedirect

6、ion:Theamplitudeoftheresultantwaveis.8.32gofoxygenoccupies22.4Landthespeedofsoundintheoxygenis317m/s,thebulkmodulusofoxygenis.9.Suppose0.825molofanidealgasundergoesanisothermalexpansionasenergyisaddtoitasheat.Ifthefigureshowsthefinalvolumeversus,thegastemperatureis.Thescaleofthe

7、verticalaxisissetby,andthescaleofthehorizontalaxisissetby.《大学物理》(全英班)2012-2013(2)期末试卷（B卷）第16页共16页10.ThefollowingfigureshowstheMaxwell-Boltzmannvelocitydistributionfunctionsofagasfortwodifferenttemperaturesand,then(<,>,or=).ⅡCalculation(Total60points)《大学物理》(全英班)2012-2013(2)期末试卷（B

8、卷）第16页共16页11.(Total12points,3points/question)Tw