北京信息科技大学《College Physics I（全英文）》2025-2026学年第一学期期末试卷(B卷)

站名：站名：年级专业：姓名：学号：凡年级专业、姓名、学号错写、漏写或字迹不清者，成绩按零分记。…………密………………封………………线…………第1页，共1页北京信息科技大学《CollegePhysicsI（全英文）》2025-2026学年第一学期期末试卷(B卷)注意事项:1.请考生在下列横线上填写姓名、学号和年级专业。2.请仔细阅读各种题目的回答要求，在规定的位置填写答案。3.不要在试卷上乱写乱画，不要在装订线内填写无关的内容。4.考试时间120分钟专业学号姓名题号一二三四五六七八总分统分人复查人得分得分评分人一、单项选择题（每题1分，共20分）1.Aparticlemovesinastraightlinewithaconstantacceleration.Ifitsinitialvelocityis2m/sanditsfinalvelocityis10m/safter4seconds,whatistheaccelerationoftheparticle?A.1m/s²B.2m/s²C.3m/s²D.4m/s²2.Ablockofmass5kgispulledalongahorizontalsurfacebyaforceof10N.Ifthecoefficientofkineticfrictionbetweentheblockandthesurfaceis0.2,whatistheaccelerationoftheblock?A.1m/s²B.2m/s²C.3m/s²D.4m/s²3.Acaristravelingataconstantspeedof60km/h.Ifthedistancebetweentwoconsecutiveroadsignsis500m,howlongdoesittakeforthecartotravelbetweenthetwosigns?A.5secondsB.10secondsC.15secondsD.20seconds4.Aballisthrownverticallyupwardswithaninitialvelocityof20m/s.Whatisthetimetakenfortheballtoreachitsmaximumheight?A.2secondsB.4secondsC.6secondsD.8seconds5.A100kgobjectisdroppedfromaheightof10meters.Whatisthekineticenergyoftheobjectjustbeforeithitstheground?A.500JB.1000JC.1500JD.2000J6.A5kgobjectismovingwithavelocityof10m/s.Whatisitsmomentum?A.50kg·m/sB.100kg·m/sC.150kg·m/sD.200kg·m/s7.A10kgobjectisplacedonafrictionlessinclinedplanewithanangleof30degrees.Whatistheaccelerationoftheobjectdowntheplane?A.5m/s²B.10m/s²C.15m/s²D.20m/s²8.A100kgobjectissuspendedfromaspringwithaspringconstantof50N/m.Whatisthedisplacementofthespringwhentheobjectisatequilibrium?A.0.5mB.1mC.1.5mD.2m9.A10kgobjectismovinginacircularpathwitharadiusof2m.Iftheobjecthasaspeedof5m/s,whatisthecentripetalforceactingontheobject?A.10NB.20NC.30ND.40N10.A5kgobjectisplacedinafluidwithadensityof1000kg/m³.Iftheobjectissubmergedtoadepthof2m,whatisthebuoyantforceactingontheobject?A.500NB.1000NC.1500ND.2000N11.A10kgobjectisplacedonahorizontalsurface.Ifthecoefficientofstaticfrictionbetweentheobjectandthesurfaceis0.5,whatisthemaximumforcethatcanbeappliedtotheobjectwithoutcausingittomove?A.50NB.100NC.150ND.200N12.A5kgobjectisdroppedfromaheightof10meters.Whatisthegravitationalpotentialenergyoftheobjectattheheightof5meters?A.250JB.500JC.750JD.1000J13.A10kgobjectismovinginastraightlinewithaconstantaccelerationof2m/s².Ifitsinitialvelocityis0m/s,whatisitsfinalvelocityafter5seconds?A.10m/sB.20m/sC.30m/sD.40m/s14.A5kgobjectisplacedonahorizontalsurface.Ifthecoefficientofkineticfrictionbetweentheobjectandthesurfaceis0.3,whatistheaccelerationoftheobjectwhenaforceof10Nisappliedtoit?A.1m/s²B.2m/s²C.3m/s²D.4m/s²15.A10kgobjectismovinginacircularpathwitharadiusof3m.Iftheobjecthasaspeedof4m/s,whatisthecentripetalaccelerationactingontheobject?A.4m/s²B.8m/s²C.12m/s²D.16m/s²16.A5kgobjectisplacedinafluidwithadensityof1500kg/m³.Iftheobjectissubmergedtoadepthof1m,whatisthebuoyantforceactingontheobject?A.750NB.1500NC.2250ND.3000N17.A10kgobjectisplacedonahorizontalsurface.Ifthecoefficientofstaticfrictionbetweentheobjectandthesurfaceis0.4,whatisthemaximumforcethatcanbeappliedtotheobjectwithoutcausingittomove?A.40NB.80NC.120ND.160N18.A5kgobjectisdroppedfromaheightof15meters.Whatisthekineticenergyoftheobjectjustbeforeithitstheground?A.750JB.1500JC.2250JD.3000J19.A10kgobjectismovinginastraightlinewithaconstantaccelerationof3m/s².Ifitsinitialvelocityis5m/s,whatisitsfinalvelocityafter10seconds?A.50m/sB.100m/sC.150m/sD.200m/s20.A5kgobjectisplacedonahorizontalsurface.Ifthecoefficientofkineticfrictionbetweentheobjectandthesurfaceis0.2,whatistheaccelerationoftheobjectwhenaforceof15Nisappliedtoit?A.1m/s²B.2m/s²C.3m/s²D.4m/s²二、多项选择题（每题2分，共20分）1.Whichofthefollowingstatementsaretrueaboutthemotionofaprojectile?A.Thehorizontalcomponentofvelocityremainsconstant.B.Theverticalcomponentofvelocitydecreaseswithtime.C.Theprojectilefollowsaparabolicpath.D.Theprojectilereachesitsmaximumheightatthesametimeasitreachesitsmaximumhorizontaldistance.2.Whichofthefollowingstatementsaretrueabouttheforcesactingonablockonaninclinedplane?A.Thegravitationalforceisperpendiculartotheplane.B.Thenormalforceisparalleltotheplane.C.Thefrictionalforceisparalleltotheplane.D.Thegravitationalforceisequaltothesumofthenormalforceandthefrictionalforce.3.Whichofthefollowingstatementsaretrueaboutthemotionofasimpleharmonicoscillator?A.Thedisplacementfromequilibriumisproportionaltotheforceapplied.B.Theperiodofoscillationisindependentoftheamplitude.C.Thefrequencyofoscillationisinverselyproportionaltothemassoftheoscillator.D.Themaximumaccelerationoccursattheequilibriumposition.4.Whichofthefollowingstatementsaretrueaboutthemotionofaparticleinacircularpath?A.Thecentripetalforceisdirectedtowardsthecenterofthecircle.B.Thecentripetalforceisproportionaltothesquareofthevelocity.C.Thecentripetalforceisequaltothegravitationalforce.D.Thecentripetalforceisalwaysperpendiculartothevelocity.5.Whichofthefollowingstatementsaretrueaboutthemotionofafluid?A.Thepressureishigheratthebottomofafluidcolumn.B.Thedensityofafluidisconstantthroughoutthefluid.C.Theviscosityofafluidisameasureofitsresistancetoflow.D.Thevelocityofafluidishigheratthecenterofapipe.三、判断题（每题1分，共10分）1.Theaccelerationofafreelyfallingobjectisindependentofitsmass.2.Theworkdonebyaconstantforceisequaltotheproductoftheforceandthedisplacement.3.Thepotentialenergyofanobjectisalwayspositive.4.Thevelocityofaprojectileisalwaysconstantinmagnitude.5.Theperiodofasimpleharmonicoscillatorisindependentoftheamplitude.6.Thecentripetalforceisalwaysdirectedtowardsthecenterofthecircle.7.Theviscosityofafluidisameasureofitsresistancetoflow.8.Thepressureinaf