安徽财经大学《College Physics I（全英文）》2025-2026学年第二学期期末试卷(A卷)

说明：本试卷将作为样卷直接制版胶印，请命题教师在试题之间留足答题空间。（第1页共6页）制卷人签名：制卷人签名：制卷日期：审核人签名：：审核日期：………………………………………………装……订……线…………………安徽财经大学《CollegePhysicsI（全英文）》2025-2026学年第二学期期末试卷(A卷)适用年级专业考试方式闭卷考试时间120分钟学院专业班级学号姓名题号一二三四五六七八总分阅卷教师得分………………得分一、单项选择题（每题1分，共20分）1.Theaccelerationofaparticlemovinginastraightlineisgivenbytheequationa=-kt^2,wherekisaconstantandtistime.Whatisthevelocityoftheparticleatt=2secondsifitsinitialvelocityis5m/s?A.10m/sB.15m/sC.20m/sD.25m/s2.Ablockofmassmisreleasedfromrestatthetopofafrictionlessinclinewithaslopeangleθ.Whatisthespeedoftheblockatthebottomoftheincline?A.mgsinθB.mgsinθ+mgcosθC.mgsinθ-mgcosθD.mgsinθ/mgcosθ3.A2kgobjectismovingwithavelocityof3m/stotheright.Whatisthemagnitudeofthemomentumoftheobject?A.4kg·m/sB.6kg·m/sC.8kg·m/sD.10kg·m/s4.A10Nforceisappliedtoa5kgblockonahorizontalsurface.Thecoefficientofkineticfrictionbetweentheblockandthesurfaceis0.2.Whatistheaccelerationoftheblock?A.0.5m/s^2B.1m/s^2C.1.5m/s^2D.2m/s^25.A5kgobjectisattachedtoaspringwithaspringconstantof10N/m.Iftheobjectispulleddown0.5mfromitsequilibriumpositionandreleased,whatisthefrequencyoftheresultingoscillation?A.0.5HzB.1HzC.2HzD.5Hz6.Acaristravelingataconstantspeedof30m/s.Whatisthemagnitudeofthecar'skineticenergyifitsmassis1000kg?A.1500JB.3000JC.4500JD.6000J7.A100gballisthrownverticallyupwardwithaninitialvelocityof20m/s.Whatisthemaximumheightreachedbytheball?A.20mB.40mC.60mD.80m8.A50kgobjectissuspendedfromaspringwithaspringconstantof20N/m.Whatisthepotentialenergystoredinthespringwhentheobjectisatitsequilibriumposition?A.0JB.100JC.200JD.400J9.A2kgobjectismovinginacircularpathwitharadiusof0.5m.Iftheobjecthasatangentialvelocityof10m/s,whatisthecentripetalaccelerationoftheobject?A.10m/s^2B.20m/s^2C.30m/s^2D.40m/s^210.A5kgobjectisdroppedfromaheightof10m.Whatisthekineticenergyoftheobjectjustbeforeithitstheground?A.25JB.50JC.100JD.200J11.A10Nforceisappliedtoa2kgblockonahorizontalsurface.Thecoefficientofstaticfrictionbetweentheblockandthesurfaceis0.5.Whatisthemaximumforcethatcanbeappliedtotheblockbeforeitstartstomove?A.5NB.10NC.15ND.20N12.A5kgobjectisattachedtoaspringwithaspringconstantof10N/m.Iftheobjectispulleddown0.5mfromitsequilibriumpositionandreleased,whatistheperiodoftheresultingoscillation?A.0.1sB.0.2sC.0.5sD.1s13.A100gballisthrownhorizontallywithaninitialvelocityof20m/s.Whatisthehorizontaldistancetraveledbytheballin2seconds?A.20mB.40mC.60mD.80m14.A5kgobjectismovinginacircularpathwitharadiusof0.5m.Iftheobjecthasanangularvelocityof10rad/s,whatisthecentripetalforceactingontheobject?A.5NB.10NC.15ND.20N15.A10Nforceisappliedtoa2kgblockonahorizontalsurface.Thecoefficientofkineticfrictionbetweentheblockandthesurfaceis0.2.Whatistheaccelerationoftheblock?A.0.5m/s^2B.1m/s^2C.1.5m/s^2D.2m/s^216.A100gballisthrownverticallyupwardwithaninitialvelocityof20m/s.Whatisthetimetakenbytheballtoreachitsmaximumheight?A.2sB.4sC.6sD.8s17.A5kgobjectisattachedtoaspringwithaspringconstantof10N/m.Iftheobjectispulleddown0.5mfromitsequilibriumpositionandreleased,whatisthemaximumspeedreachedbytheobject?A.1m/sB.2m/sC.3m/sD.4m/s18.A10Nforceisappliedtoa2kgblockonahorizontalsurface.Thecoefficientofstaticfrictionbetweentheblockandthesurfaceis0.5.Whatisthemaximumforcethatcanbeappliedtotheblockbeforeitstartstomove?A.5NB.10NC.15ND.20N19.A100gballisthrownhorizontallywithaninitialvelocityof20m/s.Whatistheverticaldistancetraveledbytheballin2seconds?A.20mB.40mC.60mD.80m20.A5kgobjectismovinginacircularpathwitharadiusof0.5m.Iftheobjecthasatangentialvelocityof10m/s,whatisthecentripetalaccelerationoftheobject?A.10m/s^2B.20m/s^2C.30m/s^2D.40m/s^2二、多项选择题（每题2分，共20分）1.Whichofthefollowingstatementsaretrueaboutthemotionofaprojectile?A.Thehorizontalcomponentofvelocityremainsconstant.B.Theverticalcomponentofvelocitydecreaseswithtime.C.Theaccelerationisalwaysdirecteddownward.D.Theprojectilefollowsaparabolicpath.2.Whichofthefollowingquantitiesareconservedinaclosedsystem?A.MomentumB.KineticenergyC.PotentialenergyD.Angularmomentum3.Whichofthefollowingstatementsaretrueaboutasimpleharmonicoscillator?A.Thedisplacementfromequilibriumisproportionaltotheforceapplied.B.Theperiodofoscillationisindependentoftheamplitude.C.Thefrequencyofoscillationisequaltotheangularfrequency.D.Theenergyoftheoscillatorisconserved.4.Whichofthefollowingstatementsaretrueaboutthemotionofaparticleinacircularpath?A.Thevelocityisalwaystangenttothecircle.B.Theaccelerationisalwaysdirectedtowardthecenterofthecircle.C.Thecentripetalforceisalwaysdirectedtowardthecenterofthecircle.D.Thecentripetalaccelerationisalwaysdirectedtowardthecenterofthecircle.5.Whichofthefollowingstatementsaretrueaboutthemotionofablockslidingdownaninclinedplane?A.Theaccelerationisalwaysdirecteddownward.B.Theforceofgravityisalwaysdirecteddownward.C.Thenormalforceisalwaysperpendiculartotheinclinedplane.D.Thecoefficientofkineticfrictionisalwayslessthanthecoefficientofstaticfriction.三、判断题（每题1分，共10分）1.Theaccelerationofafreelyfall