六盘水师范学院《College Physics I（全英文）》2025-2026学年第二学期期末试卷(A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页六盘水师范学院《CollegePhysicsI（全英文）》2025-2026学年第二学期期末试卷(A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.Theaccelerationofaparticlemovinginastraightlineisgivenbytheequationa=-kt^2,wherekisaconstant.Iftheinitialvelocityoftheparticleis5m/s,whatisitsvelocityafter2seconds?A.5m/sB.0m/sC.-5m/sD.10m/s2.Ablockofmassmisplacedonafrictionlessinclinedplanewithanangleofinclinationθ.Theblockisreleasedfromrest.Whatistheaccelerationoftheblock?A.gsinθB.gcosθC.gtanθD.03.Aballisthrownverticallyupwardswithaninitialvelocityof20m/s.Whatisitsvelocityafter3seconds?A.5m/sB.10m/sC.20m/sD.04.Acartravelsataconstantspeedof60km/h.Howfardoesittravelin2hours?A.120kmB.180kmC.240kmD.300km5.Aparticlemovesinacircularpathofradiusrwithaconstantspeedv.Whatisthecentripetalaccelerationoftheparticle?A.v^2/rB.2v^2/rC.v^2/2rD.06.AspringwithaspringconstantkisstretchedbyaforceF.Whatisthepotentialenergystoredinthespring?A.FkB.1/2FkC.2FkD.07.Abodyismovinginacircularpathwithaconstantspeedv.Whatisthecentripetalforceactingonthebody?A.mv^2/rB.2mv^2/rC.mv^2/2rD.08.Abodyisthrownhorizontallywithaninitialvelocityof10m/s.Whatisitsverticalvelocityafter2seconds?A.10m/sB.0m/sC.-10m/sD.20m/s9.Abodyismovinginastraightlinewithaconstantaccelerationa.Whatisitsvelocityafter2secondsifitsinitialvelocityis5m/s?A.10m/sB.15m/sC.20m/sD.25m/s10.Abodyismovinginacircularpathwithaconstantspeedv.Whatistheangularvelocityofthebody?A.v/rB.2v/rC.v/2rD.011.Abodyisthrownverticallyupwardswithaninitialvelocityof20m/s.Whatisitsmaximumheight?A.20mB.40mC.60mD.80m12.Acartravelsataconstantspeedof60km/h.Howlongdoesittaketotraveladistanceof180km?A.2hoursB.3hoursC.4hoursD.5hours13.Aparticlemovesinastraightlinewithaconstantaccelerationa.Whatisitsdisplacementafter2secondsifitsinitialvelocityis5m/s?A.10mB.15mC.20mD.25m14.Abodyismovinginacircularpathwithaconstantspeedv.Whatisthecentripetalforceactingonthebodyifitsmassis2kgandtheradiusofthepathis0.5m?A.20NB.40NC.60ND.80N15.AspringwithaspringconstantkisstretchedbyaforceF.Whatistheworkdoneinstretchingthespringbyadistancex?A.1/2kx^2B.kx^2C.2kx^2D.016.Abodyismovinginacircularpathwithaconstantspeedv.Whatisthecentripetalaccelerationofthebodyifitsmassis2kgandtheradiusofthepathis0.5m?A.4m/s^2B.8m/s^2C.12m/s^2D.16m/s^217.Abodyisthrownhorizontallywithaninitialvelocityof10m/s.Whatisitshorizontaldisplacementafter2seconds?A.10mB.20mC.30mD.40m18.Abodyismovinginastraightlinewithaconstantaccelerationa.Whatisitsfinalvelocityafter2secondsifitsinitialvelocityis5m/sanditsaccelerationis2m/s^2?A.9m/sB.10m/sC.11m/sD.12m/s19.Abodyismovinginacircularpathwithaconstantspeedv.Whatistheangularvelocityofthebodyifitsmassis2kgandtheradiusofthepathis0.5m?A.4rad/sB.8rad/sC.12rad/sD.16rad/s20.Abodyisthrownverticallyupwardswithaninitialvelocityof20m/s.Whatisitsvelocityafter3seconds?A.5m/sB.10m/sC.20m/sD.0二、多项选择题（每题2分，共20分）1.Whichofthefollowingstatementsaretrueaboutthemotionofabodyinacircularpath?A.Thespeedofthebodyisconstant.B.Theaccelerationofthebodyisconstant.C.Thevelocityofthebodyisconstant.D.Thecentripetalforceactingonthebodyisconstant.2.Whichofthefollowingareunitsofforce?A.Newton(N)B.Kilogram(kg)C.Meter(m)D.Second(s)3.Whichofthefollowingareunitsofacceleration?A.Meterpersecondsquared(m/s^2)B.Kilogrampersecondsquared(kg/s^2)C.Newtonpersecond(N/s)D.Secondpermeter(s/m)4.Whichofthefollowingareunitsofvelocity?A.Meterpersecond(m/s)B.Kilogrampersecond(kg/s)C.Newtonpersecond(N/s)D.Secondpermeter(s/m)5.Whichofthefollowingareunitsofdisplacement?A.Meter(m)B.Kilogram(kg)C.Newton(N)D.Second(s)6.Whichofthefollowingareunitsoftime?A.Second(s)B.Minute(min)C.Hour(h)D.Day(d)7.Whichofthefollowingareunitsofmass?A.Kilogram(kg)B.Newton(N)C.Meter(m)D.Second(s)8.Whichofthefollowingareunitsofenergy?A.Joule(J)B.Kilogram(kg)C.Newton(N)D.Second(s)9.Whichofthefollowingareunitsofpower?A.Watt(W)B.Kilogram(kg)C.Newton(N)D.Second(s)10.Whichofthefollowingareunitsofpressure?A.Pascal(Pa)B.Kilogram(kg)C.Newton(N)D.Second(s)三、判断题（每题1分，共10分）1.Theaccelerationofabodyisdirectlyproportionaltoitsmass.(T/F)2.Thevelocityofabodyistherateofchangeofitsdisplacementwithrespecttotime.(T/F)3.Theforceactingonabodyisequaltotherateofchangeofitsmomentumwithrespecttotime.(T/F)4.Theworkdoneonabodyisequaltotheforceappliedtoitmultipliedbythedistanceoverwhichitmoves.(T/F)5.Thepotentialenergyofabodyisequaltotheworkdoneinbringingitfrominfinitytoitsposition.(T/F)6.Thekineticenergyofabodyisequa