Chapter2TestBank-MotionAlongaLine
Student:
1Whichofthefollowingspecificationswouldallowyoutopreciselymeetsomeoneforanappointment?
A.meetmeatmycar
B.meetmeatmyoffice,room203inWilliamsHalloncampus
C.meetmeatmyoffice,room203inWilliamsHalloncampusat2:30PM
D.meetmeatmyoffice
Emeetmeat2:30PM
2Displacementis
Athedistancetraveledfromthefirstpositiontothefinalposition
B.thedistancefromtheorigintothefinalposition
Cthechangeofthepositionvectorfromthefirstpositionthefinalposition
D.thevectorfromthefirstpositiontothefinalposition
3.Ifanobjectislocated20mtotherightoftheoriginat1:00PM,andlatertheobjectislocated30mtothe rightoftheoriginat2:00PM,thenthedisplacementfrom1:00PMto2:00PMis
A.50mtotheright.
B.30mtotheright.
C25mtotheright.
D.20mtotheright.
E10mtotheright.
4Ifanobjectislocated20mtotheleftoftheoriginat1:00PM,andlatertheobjectislocated30mtothe rightoftheoriginat2:00PM,thenthedisplacementfrom1:00PMto2:00PMis
A50mtotheright. B.30mtotheright. C.25mtotheright. D.20mtotheleft. E.10mtotheleft.
5Ifanobjectislocated20mtotherightoftheoriginat1:00PM,andlatertheobjectislocated30mtothe leftoftheoriginat2:00PM,thenthedisplacementfrom1:00PMto2:00PMis A50mtotheright. B.50mtotheleft. C30mtotheright. D.30mtotheleft. E10mtotheleft.
6
Awalkerwalks30mfromtheorigintowardtheEASTtopointA.ShethenwalksfrompointA20m moretowardtheEASTtopointB.Thewalker'stotaldisplacementfromtheoriginis
A50mtowardtheEAST. B.30mtowardtheWEST. C20mtowardtheWEST. D.10mtowardtheEAST. E10mtowardtheWEST.
Awalkerwalks30mfromtheorigintowardtheEASTtopointA.ShethenwalksfrompointA20m moretowardtheWESTtopointB.Thewalker'stotaldisplacementfromtheoriginis
A50mtowardtheEAST. B.30mtowardtheWEST. C20mtowardtheWEST.
D.10mtowardtheEAST.
E10mtowardtheWEST.
Awalkerwalks30mfromtheorigintowardtheWESTtopointA.ShethenwalksfrompointA,20m moretowardtheEASTtopointB.Thewalker'stotaldisplacementfromtheoriginis
A50mtowardtheEAST. B.30mtowardtheWEST. C20mtowardtheWEST. D.10mtowardtheEAST. E10mtowardtheWEST.
9.Arunnerruns10mfromtheorigintowardtheWESTtopointA.HethenrunsfrompointA20mmore towardtheWESTtopointB.HethenrunsfrompointB30mmoretowardtheWESTtopointC.The runner'stotaldisplacementfromtheorigintopointCis A.60mtowardtheWEST. B.50mtowardtheWEST. C.20mtowardtheWEST. D.10mtowardtheWEST. E0m
10Arunnerruns10mfromtheorigintowardtheWESTtopointAHethenrunsfrompointA20mmore towardtheEASTtopointB.HethenrunsfrompointB30mmoretowardtheWESTtopointCThe runner'stotaldisplacementfromtheorigintopointCis
A.60mtowardtheWEST. B.50mtowardtheWEST. C.20mtowardtheWEST. D.10mtowardtheWEST. E.0m.
11.Arunnerruns10mfromtheorigintowardtheWESTtopointA.HethenrunsfrompointA20mmore towardtheWESTtopointB.HethenrunsfrompointB30mmoretowardtheEASTtopointCThe runner'stotaldisplacementfromtheorigintopointCis A60mtowardtheWEST. B.50mtowardtheEAST. C20mtowardtheWEST. D.10mtowardtheEAST. E.0m.
12AdisplacementvectorDisgivenas400mlongatanangleof600degreesNORTHofEAST.TheDx componentandtheDycomponentofthevectorare
A.Dx=+34.6m,Dy=+20.0m.
B.Dx=+20.0m,Dy=-34.6m.
C.Dx=+20.0m,Dy=+34.6m.
D.Dx=-346m,Dy=+200m
EDx=+346m,Dy=-200m
13AdisplacementvectorDisgivenas400mlongatanangleof600degreesEASTofNORTH.TheDx componentandtheDycomponentofthevectorare
A.Dx=+34.6m,Dy=+20.0m.
B.Dx=+20.0m,Dy=-34.6m.
CDx=+200m,Dy=+346m
D.Dx=-346m,Dy=+200m
EDx=+346m,Dy=-200m
14Thegraphshowsthespeedometerreadingofacarasitcomestoastopalongastraight-linepathHowfar doesthecarmovebetweent=0sandt=16s?
A130m
B.140m
C150m
D.160m
15.Thefigureisagraphofanobjectmovinginastraightline.Solvegraphicallytodeterminewhichsection ofthepathhasthehighestspeed.
A.DE
B.EF
C.CD
D.AB
16Thefigureisagraphoftheverticalvelocityversustimeforanelevator.Solvegraphicallyfortheheight oftheelevatorabovethestartingpointatt=20s
A.4.0m
B.16.0m
C.0.0m
D.8.0m
17.Thefigureisagraphofvx(t)foracar.Solvegraphicallyforthedistancetraveledfromt=10stot=15s.
A.75m B.70m C67m D.69m
18Thefigureshowsthegraphofvxversustimeforanobjectmovingalongthex-axisSolvegraphicallyfor thedistancetraveledfromt=90stot=130s
A60m
B.84m
C76m
D.80m
19.Youdrivefiveblocksduenorth,fiveblocksdueeast,andanothertwoblocksduenorth.Whatisthe magnitudeofyourdisplacement?
A.7blocks
B.12blocks
C.9blocks
D.10blocks
E86blocks
20Ananttravels30cmeast,the25cmnorth,andfinally15cmwest.Whatisthedirectionwithrespectto hisstartingpoint?
A59°NofE
B.77ºNofE
C.29ºNofE
D.59ºNofW
E.29ºNofE
21Awalkerstartsattheoriginat1:00PMandwalks30kmfromtheorigintowardtheWESTtopointA ShearrivesatpointAat2:30PMShethenwalksfrompointA20kmtowardtheWESTtopointBand arrivesatpointBat3:45PMThewalker'saveragevelocityfortheentiretripis A18km/hrtowardtheEAST. B.18km/hrtowardtheWEST. C13km/hrtowardtheWEST. D.13km/hrtowardtheEAST. E036km/hrtowardtheWEST.
22.Acartravelsadistanceof100kmin2.00hours.Itthentravelsanadditionaldistanceof60.0kmin1.00 hour.Theaveragespeedofthecarfortheentiretripis
A.80.0km/hr.
B.600km/hr. C533km/hr.
D.500km/hr. E467km/hr.
23.Acartravelsat50.0km/hrfor2.00hours.Itthentravelsanadditionaldistanceof40.0kmin1.00hour. Theaveragespeedofthecarfortheentiretripis
A.61.0km/hr.
B.57.1km/hr.
C.53.3km/hr.
D.46.7km/hr.
E.30.0km/hr.
24Acartravelsfor140kmat700km/hr.Itthentravelsanadditionaldistanceof600km400km/hr.The averagespeedis
A610km/hr.
B.571km/hr.
C.53.3km/hr.
D.46.7km/hr.
E.45.0km/hr.
25ThegraphshowsvxversustforanobjectmovingalongstraightlineWhatistheaveragevelocityfromt =0tot=11s?
A.25m/s2
B.36m/s2
C30m/s2
D.21m/s2
26.Thegraphshowsvxversustforanobjectmovinginastraightline.Whatistheaveragevelocityfromt= 0stot=9s?
A44m/s2
B.32m/s2
C.22m/s2
D.24m/s2
27.Thegraphshowsvxversustforanobjectmovingalongstraightline.Whatistheaccelerationatt=11s?
A.-10m/s2
B.10m/s2
C22m/s2
D.-22m/s2
28ThefigureshowsthespeedometerreadingsasacarcomestoastopSolvegraphicallyforthe accelerationatt=70s
A.2.5m/s2
B.-25m/s2
C-20m/s2
D.20m/s2
29Thefigureshowsthegraphofvxversustimeforanobjectmovingalongthex-axisWhatisthe accelerationatt=70s?
A40m/s2
B.5.0m/s2
C.0.5m/s2
D.04m/s2
30Anobjectstartsfromrestwithanaccelerationof20m/s2for30secondsItthenreducesitsacceleration to10m/s2for50additionalsecondsThevelocityattheendofthe50secondsintervalis
A60m/s
B.18m/s
C.8.0m/s.
D.18m/s.
E.11m/s.
31Anobjectstartsfromrestwithanaccelerationof20m/s2for30secondsItthenreducesitsacceleration to1.0m/s2for5.0additionalseconds.Thetotaldistancecoveredis
A.52m.
B.38m.
C.11m.
D.9.0m.
E76m
32.A4.0kgmasshasavelocityof12m/stotheWEST.The4.0kgmassundergoesanaccelerationof2.0 m/s2totheWESTfor30secWhatisthevelocityofthe40kgmassattheendofthe30secinterval?
A18m/stotheWEST
B.60m/stotheWEST
C00m/s
D.60m/stotheEAST
E.18m/stotheEAST
33.A4.0kgmasshasavelocityof10m/stotheEAST.The4.0kgmassundergoesanaccelerationof4.0m/ s2totheWESTfor3.0sec.Whatisthevelocityofthe4.0kgmassattheendofthe3.0secinterval?
A.22m/stotheWEST
B.20m/stotheWEST
C00m/s
D.20m/stotheEAST
E22m/stotheEAST
34Acartravelingat30m/shasaconstantaccelerationof40m/s2After20seconds,thevelocityis
A50m/s
B.7.0m/s.
C.9.0m/s.
D.11m/s.
E.13m/s.
35Acartravelingat40m/shasaconstantaccelerationof20m/s2After30seconds,theaveragevelocity duringtheaccelerationis
A50m/s
B.70m/s
C90m/s
D.11m/s
E13
36.Acartravelingat4.0m/shasaconstantaccelerationof2.0m/s2.After3.0seconds,thedistancetraveled duringtheaccelerationis
A.21m.
B.17m.
C.10m.
D.13m.
E.9m.
37Aboatistravelingat40m/sasitpassesthestartinglineofaraceIftheboatacceleratesat20m/s2for 30seconds,thenthevelocitytheboathasafterthe30secondsis
A21m/s
B.9.0m/s.
C.13m/s.
D.10m/s.
E.4.0m/s.
38Aboatistravelingat40m/sasitpassesthestartinglineofaraceIftheboatacceleratesat10m/s2for 60seconds,thenthedistancetheboathastraveledafter60secondsis
A42m
B.18m
C26m
D.20m
E14m
39.Aboatistravelingat4.0m/sasitpassesthestartinglineofarace.Iftheboatacceleratesat1.0m/s2for 60seconds,thentheaveragevelocityoftheboatforthe60secondsis
A.21m/s.
B.90m/s
C13m/s
D.10m/s
E70m/s
40.Acarstartsfromrestandtravelsadistanceof100min10seconds.Theaccelerationofthecaris
A.1.0m/s2 .
B.20m/s2
C.2.5m/s2 .
D.30m/s2
E35m/s2
41.Acarstartsfromrestandtravelsadistanceof100min20secondswithaconstantacceleration.The velocityofthecarisattheendofthe20secondintervalis
A.25m/s.
B.20m/s.
C15m/s
D.10m/s
E50m/s
42Acarstartsfromrestandtravelsadistanceof100min15secondswithaconstantaccelerationThe averagevelocityofthecarforthe15secondsintervalis
A240m/s
B.210m/s
C.16.7m/s.
D.13.3m/s.
E.6.67m/s.
43.Arunnerstartsfromrestandwithanaccelerationof1.0m/s2travelsadistanceof10meters.Thetimeit takestherunnertocoverthedistanceis
A63s
B.57s
C50s
D.45s
E38s
44.Arunnerstartsfromrestandwithanaccelerationof2.0m/s2travelsadistanceof12meters.Thevelocity oftherunnerattheendofthedistanceis
A34m/s
B.5.7m/s.
C.6.9m/s.
D.7.5m/s.
E.8.1m/s.
45Anobjectstartsfromrestandmoveswithanaccelerationof20m/s2for30secondsItthenreducesits accelerationto1.0m/s2for5.0additionalseconds.Thevelocity8secondsfromthestartofthemotion is
A.51m/s.
B.38m/s
C11m/s
D.90m/s
E76m/s
46.Anobjectstartswithaninitialvelocityof4.0m/sandaccelerateswithanaccelerationof+4.0m/s2for 6.0seconds.Itthendeceleratesat-2.0m/s2untilitsvelocityis4.0m/s.Thetotaldistancecoveredis
A.67m.
B. 194m
C105m
D.
288m.
E.215m.
47.Acarstartingfromresttravelsadistanceof20.0mwithaconstantaccelerationof2.0m/s2.Thecarthen slowstoastopin10.0secondswithaconstantnegativeacceleration.Thedistancetraveledbythecar is
A.36m.
B.46m
C50m
D.58m
E65m
48A20kgobjectismovingatavelocityof120m/sThedragforce60N.Ifthedragforceisgivenbythe equationF=bv2,thenthevalueofbis
A15×10-2Ns2/m2
B.42×10-2kg/m
C.3.9×10-1kg/m2 .
D.42×10-1N/m2
E.7.5×10-3Ns2/m2 .
49Abeetlerunsanerraticpatternonasquarekitchentablethatis15monasideThesidesarearranged alongthedirectionsNorth/SouthandEast/West.IfhebeginsattheSouthwestcorner,andtravelsalong onesidetotheadjacentcornerin20.0s.Hethenturnsnorth,andreachestheNortheastcorner12.5s later.Whatisthemagnitudeofhisaveragevelocityforthewholetrip?
A.0.033m/s
B.0.065m/s
C.0.092m/s
D.0098m/s
50Anantcrawlsinastraightlineataconstantspeedof024m/s,beginninginthecornerofasquare classroom,for30mItthenturnsexactly90degreestotheright,andproceedsanadditional40mwitha constantspeedof044m/s,reachingtheothercornerofthesamewallfromwhichitbeganWhatwasthe averagespeedforthefulltripfromcornertocorner?
A032m/s
B.0.23m/s
C.0.30m/s
D.0.34m/s
E.0.21m/s
51.Anantcrawlsinastraightlineataconstantspeedof0.24m/s,beginninginthecornerofasquare classroom,for300mItthenturnsexactly90degreestotheright,andproceedsanadditional400m, reachingthefarcornerofthesamewallfromwhichitbeganIfthesecondlegwasalsocrawledinhalf theamountoftimeasrequiredforthefirstleg,whatwastheant’saveragespeedforthewholetrip?
A080m/s
B.027m/s
C037m/s
D.0.44m/s
52.Anantcrawlsinastraightlineataconstantspeedof0.35m/s,beginninginthecornerofasquare classroomthatis5.00monaside.Itfirstcrossesthediagonaloftheroom,andthenturnstotheright, continuingat0.45m/stothefarcornerofthesamewallfromwhichitbegan.Whatwastheant’saverage speedforthewholetrip?
A016m/s
B.040m/s
C039m/s
D.024m/s
53Abaseballispitched,reachingthebatterwithaspeedof37m/s,andishit,returningonthesameline at48m/s.Iftheballwasincontactwiththebatfor0.22seconds,whatwastheaverageacceleration experiencedbytheballduringthetimeofcontact?
A.41m/s2
B.220m/s2
C170m/s2
D.390m/s2
54A450gbaseballispitched,reachingthebatterwithaspeedof37m/s,andishit,returningonthesame lineat48m/sIftheballwasincontactwiththebatfor022seconds,whatwastheaveragenetforce experiencedbytheballduringthetimeofcontact?
A98N
B.170N
C.18N
D.77N
55.
Youdriveyourcar50kmdueEastat35km/hr,andsuddenlyrealizethatyouforgotyourwallet.So, youreturnhome,drivingWestat40km/hr,anduponarrivalspend10minuteslookingforit,andfinally gobackontheroadforatotalof570kmdueEast.Ifyouraveragespeedwas40km/hrforthewhole journey,whatwasyouraveragespeedonyourlastleg?
A. 40km/hr
B. 35km/hr
C 46km/hr
D. 49km/hr
Theinterstateon-rampis1.5kmWestofyourhome,andonleavingforgrandmother’shouseyouare onlyabletoaccomplishanaveragevelocityof12km/hrbetweenyourhomeandtheon-rampAtthe onramp,youwaitfortraffic,for20min–andthenareabletoproceedtowardgrandmother’shouseIf youwishtoarrivethere,whichis15kmSouthoftheon-ramp,overariverandthroughsomewoods,in atotalelapsedtimeof250minutes,whataveragespeedmustyoumaintainontheinterstatehighway?
A.36km/hr
B.67km/hr
C.noneofthese.
D. 58km/hr
57.
Theinterstateon-rampis55kmWestofyourhome,andonleavingforgrandmother’shouseyouare onlyabletoaccomplishanaveragevelocityof38km/hrbetweenyourhomeandtheon-rampAtthe onramp,youwaitfortraffic,for20min–andthenareabletoproceedtowardgrandmother’shouseIf youwishtoarrivethere,whichis15kmSouthoftheon-ramp,overariverandthroughsomewoods, havingachievedanaveragevelocityof42km/hr,howfastdoyouneedtodrivesouthontheinterstate highway?
A. 39km/hr
B. 58km/hr
C 48km/hr
D. 78km/hr
58Thefigureshowsthegraphofvxversustimeforanobjectmovingalongthex-axisSolvegraphicallyfor thedistancetraveledbetweent=5.0sandt=9.0s.
A.110m B.120m C.100m
D.130m
59.Thefigureshowsthegraphofvxversustimeforanobjectmovingalongthex-axis.Solvegraphicallyfor theaverageaccelerationbetweent=5.0sandt=9.0s.
A.4.0m/s2
B.50m/s2
C05m/s2
D.04m/s2
60Arockisthrownstraightupandreachesamaximumheight.Whichofthefollowingdescribesthemotion atthemaximumheight?
A.thevelocityiszeroandtheaccelerationiszero
B.thevelocityismaximumandtheaccelerationiszero
C.theaccelerationisincreasingandthevelocityiszero
D.theaccelerationisnotchangingandthevelocityiszero
61Aballisthrownupwardatavelocityof196m/sWhatisitsvelocityafter300s?
A980m/sup
B.zero
C196down
D.980m/sdown
62Abulletshotstraightupreturnstoitsstartingpointin10sWhatistheinitialspeedofthebullet?
A98m/s
B.49m/s
C.25m/s
D.9.8m/s
63Aballisthrowndownwardfromthetopofabuildingwithaninitialspeedof25m/sIthitsthegroundin 2.0s.Howhighisthebuilding?
A70m
B.50m
C30m
D.20m
64TwoballsarethrownfromthetopofabuildingOneisthrownupandtheotheristhrowndown,both withthesameinitialspeed.Whataretheirspeedswhentheyhitthestreet?
A.theyaretravelingatthesamespeed
B.theonethrowndownistravelingfaster
C.theonethrownupistravelingfaster
D.itdependsontheheightofthebuilding
65Aballisthrownstraightupwithaninitialspeedof30m/sWhatisitsspeedafter42s?
A72m/s
B.42m/s
C30m/s
D.11m/s
66.Aballisthrownstraightupwithaspeedof30.0m/s.Whatisthemaximumheightreachedbytheball?
A.132m
B.92.0m
C459m
D.213m
67.Humanreactiontimeisusuallygreaterthat0.10s.Ifyourfriendholdsarulerbetweenyourfingersand releasesitwithoutwarning,howfarcanyouexpecttherulertofallbeforeyoucatchit?
A.atleast3.0cm
B.atleast49cm
Catleast68cm
D.atleast98cm
68BallAisdroppedfromthetopofabuildingOnesecondlaterballBisdroppedfromthesamepoint.As timeprogresses,thedistancebetweenthem
A.increases.
B.decreases.
C.remainsconstant.
D.needmoreinformation
69.Aballisthrownstraightup,reachesamaximumheight,thenfallstoitsinitialheight.Astheballisgoing up
Abothitsvelocityanditsaccelerationpointdownward
B.itsvelocitypointsdownwardanditsaccelerationpointsupward Citsvelocitypointsupwardanditsaccelerationpointsdownward
D.bothitsvelocityanditsaccelerationpointupward
Asprinterruns100.0min9.87seconds.Ifhetravelsatconstantaccelerationforthefirst75.0m, andthenatconstantvelocityforthefinal25.0m,whatwashisaccelerationduringthefirst75.0m?
A158m/s2
B.2.05m/s2 .
C210m/s2
D.274m/s2
Asprinterruns100.0m.Ifhetravelsatconstantaccelerationof1.95m/s2forthefirst75.0m,andthen atconstantvelocityfortheremainingdistance,whatwashistotalelapsedtimeforthewholerace?
A.10.2s.
B.10.1s
C.11.3s.
D.98s
Asprinterruns1000mIfhetravelsatconstantaccelerationof195m/s2forthefirst600s,andthenat constantvelocityfortheremainingtime,whatwashisaveragevelocity?
A99m/s
B.102m/s
C 87m/s
D.9.8m/s.
Anelectrontravelsunderconstantaccelerationfromaheatedfilamentinanelectronguntothetipofthe gun,whereitisemittedIfthefinalspeedoftheelectronis15x105m/s,andthelengthofthegunfrom filamenttotipis125cm,whatwastheaccelerationtheelectronunderwent?
A90x1010m/s2
B.1.8x109m/s2
C.9.0x109m/s2
D.1.8x1012m/s2
E.6.0x106m/s2
F.9.0x1011m/s2
Amouseisrunningawayfromacatat075m/s,and,at125mfromhismousehole,heacceleratesata constantrateof025m/s2untilhereacheshisholesafely.Howlongatimewasrequiredforhimtocover thelast125m?
75Amouseisrunningawayfromacatat075m/s,and,at125mfromhismousehole,heacceleratesata constantrateuntilhereacheshisholesafely,075slater.Whataccelerationdidheundergoduringthe final125mofhisescape?
A64m/s2
B.2.4m/s2
C.1.8m/s2
D.4.8m/s2
E.1.2m/s2
76Amodelrocketfliesupwardatconstantacceleration,andundergoesadisplacementof150mduringits first025softravelWhatwasitsspeedattheendofthefirst025s?
A120m/s
B.11m/s
C30m/s
D.60m/s
77Asmallgoldenstatuefallsfromaheightof82mabovethetopsurfaceofapillow.Iftheacceleration ofthestatue,uponstrikingthepillow,isconstant,whatisthevalueoftheaccelerationifthepillow compressesby3.9cmasthestatuecomestorest?
A.210m/s2
B.2100m/s2
C21m/s2
D.160m/s2
78.Ifafleacanjumpupto45cmaboveitsinitialrestingpoint,withwhatspeedisitabletoleavetheground whenjumping?
A.4.2m/s
B.88m/s
C30m/s
D.21m/s
79Onestoneisdroppedfromthesideofabridge,andasecondisdroppedfromthesameplaceashort timelater.Whatistrueaboutthedistancebetweenthestonesasafunctionoftimeafterbothhavebeen dropped?Ignoreairresistance
A.Decreases,andthenreachesaconstantvalue
B.Increases,finallyreachingaconstantvalue
C.Alwaysdecreases
D.Alwaysincreases
EIsconstant
80Aballisdroppedattimet=0Att=20s,asecondballisthrowndownwardwithspeedv.Whatisvifat t=40s,thetwoballsareatthesameverticalposition?
A49m/s
B.25m/s
C29m/s
D.15m/s
81.
Abaseballisstruckbyabatteratananglesuchthatitreachesitsmaximumheightatthelocationofthe pitcher–andjustgrazesthetopofthepitcher’shead(atanelevationof1.50mabovethelaunchpoint ofthebaseball).Thepitcherisahorizontaldistanceof200mfromthepointatwhichtheballwas struck.Whatwasthelaunchangleforthebaseball?
Abas:!ballisS:ruckbyabatteratananglesuchthatitreachesitsmaximumheightatthelocationof thepitcher-andjuS:grazesthetopofthepitcher'shead(atanelevationof1.50mabovethelaunch pointofthebas:!ball).ThepitcherisahorizontaldiS:anceof20.0mfromthepointatwhichtheballwas S:ruck.Whatwasthelaunchspeedforthebas:!ball?
A.37m/s
B. 36m/s
C. 51m/s
D. 27m/s
Chapter2TestBank-MotionAlongaLineKey
1. Whichofthefollowingspecificationswouldallowyoutopreciselymeetsomeoneforan appointment?
Ameetmeatmycar
B.meetmeatmyoffice,room203inWilliamsHalloncampus
C.meetmeatmyoffice,room203inWilliamsHalloncampusat2:30PM
D.meetmeatmyoffice
Emeetmeat2:30PM
2. Displacementis
Athedistancetraveledfromthefirstpositiontothefinalposition
B.thedistancefromtheorigintothefinalposition.
Section:0301PositionandDisplacement
C.thechangeofthepositionvectorfromthefirstpositionthefinalposition
D.thevectorfromthefirstpositiontothefinalposition
3
Section:0301PositionandDisplacement
Ifanobjectislocated20mtotherightoftheoriginat1:00PM,andlatertheobjectislocated30mto therightoftheoriginat2:00PM,thenthedisplacementfrom1:00PMto2:00PMis
A50mtotheright.
B.30mtotheright.
C25mtotheright.
D.20mtotheright.
E.10mtotheright.
4.
Section:0301PositionandDisplacement
Ifanobjectislocated20mtotheleftoftheoriginat1:00PM,andlatertheobjectislocated30mto therightoftheoriginat2:00PM,thenthedisplacementfrom1:00PMto2:00PMis
A.50mtotheright.
B.30mtotheright. C25mtotheright.
D.20mtotheleft. E10mtotheleft.
5.
Section:0301PositionandDisplacement
Ifanobjectislocated20mtotherightoftheoriginat1:00PM,andlatertheobjectislocated30mto theleftoftheoriginat2:00PM,thenthedisplacementfrom1:00PMto2:00PMis
A50mtotheright.
B.50mtotheleft. C30mtotheright.
D.30mtotheleft. E10mtotheleft.
Section:0301PositionandDisplacement
Awalkerwalks30mfromtheorigintowardtheEASTtopointA.ShethenwalksfrompointA20m moretowardtheEASTtopointB.Thewalker'stotaldisplacementfromtheoriginis
A.50mtowardtheEAST.
B.30mtowardtheWEST.
C.20mtowardtheWEST.
D.10mtowardtheEAST. E10mtowardtheWEST.
Section:0301PositionandDisplacement
Awalkerwalks30mfromtheorigintowardtheEASTtopointA.ShethenwalksfrompointA20m moretowardtheWESTtopointB.Thewalker'stotaldisplacementfromtheoriginis
A50mtowardtheEAST.
B.30mtowardtheWEST. C20mtowardtheWEST.
D.10mtowardtheEAST.
E10mtowardtheWEST.
Section:0301PositionandDisplacement
Awalkerwalks30mfromtheorigintowardtheWESTtopointAShethenwalksfrompointA,20 mmoretowardtheEASTtopointB.Thewalker'stotaldisplacementfromtheoriginis
A50mtowardtheEAST.
B.30mtowardtheWEST. C20mtowardtheWEST.
D.10mtowardtheEAST.
E.10mtowardtheWEST.
Section:0301PositionandDisplacement
9. Arunnerruns10mfromtheorigintowardtheWESTtopointA.HethenrunsfrompointA20m moretowardtheWESTtopointB.HethenrunsfrompointB30mmoretowardtheWESTtopoint CTherunner'stotaldisplacementfromtheorigintopointCis
A.60mtowardtheWEST.
B.50mtowardtheWEST. C20mtowardtheWEST. D.10mtowardtheWEST. E0m
Section:0301PositionandDisplacement
10. Arunnerruns10mfromtheorigintowardtheWESTtopointA.HethenrunsfrompointA20m moretowardtheEASTtopointB.HethenrunsfrompointB30mmoretowardtheWESTtopointC Therunner'stotaldisplacementfromtheorigintopointCis A60mtowardtheWEST.
B.50mtowardtheWEST.
C.20mtowardtheWEST.
D.10mtowardtheWEST.
E0m
Section:0301PositionandDisplacement
11. Arunnerruns10mfromtheorigintowardtheWESTtopointA.HethenrunsfrompointA20m moretowardtheWESTtopointB.HethenrunsfrompointB30mmoretowardtheEASTtopointC. Therunner'stotaldisplacementfromtheorigintopointCis A60mtowardtheWEST.
B.50mtowardtheEAST. C20mtowardtheWEST.
D.10mtowardtheEAST.
E.0m
Section:0301PositionandDisplacement
12. AdisplacementvectorDisgivenas40.0mlongatanangleof60.0degreesNORTHofEAST.The DxcomponentandtheDycomponentofthevectorare
A.Dx=+34.6m,Dy=+20.0m.
B.Dx=+20.0m,Dy=-34.6m.
C.Dx=+200m,Dy=+346m
D.Dx=-346m,Dy=+200m
EDx=+346m,Dy=-200m
13
Section:0301PositionandDisplacement
AdisplacementvectorDisgivenas400mlongatanangleof600degreesEASTofNORTH.The DxcomponentandtheDycomponentofthevectorare
A.Dx=+34.6m,Dy=+20.0m.
B.Dx=+200m,Dy=-346m
CDx=+200m,Dy=+346m
D.Dx=-346m,Dy=+200m
E.Dx=+34.6m,Dy=-20.0m.
14
Section:0301PositionandDisplacement
Thegraphshowsthespeedometerreadingofacarasitcomestoastopalongastraight-linepathHow fardoesthecarmovebetweent=0sandt=16s?
A.130m
B.140m
C150m
D.160m
15
Section:0301PositionandDisplacement
ThefigureisagraphofanobjectmovinginastraightlineSolvegraphicallytodeterminewhich sectionofthepathhasthehighestspeed.
A.DE
B.EF
CCD
D.AB
Section:0301PositionandDisplacement
16. Thefigureisagraphoftheverticalvelocityversustimeforanelevator.Solvegraphicallyforthe heightoftheelevatorabovethestartingpointatt=20s.
A.4.0m
B.16.0m C00m
D.80m
Section:0301PositionandDisplacement
17 Thefigureisagraphofvx(t)foracar.Solvegraphicallyforthedistancetraveledfromt=10stot= 15s.
A.75m
B.70m
C.67m
D.69m
Section:0301PositionandDisplacement
18. Thefigureshowsthegraphofvxversustimeforanobjectmovingalongthex-axis.Solvegraphically forthedistancetraveledfromt=9.0stot=13.0s.
A.60m
B.84m
C.76m
D.80m
Section:0301PositionandDisplacement
19 Youdrivefiveblocksduenorth,fiveblocksdueeast,andanothertwoblocksduenorthWhatisthe magnitudeofyourdisplacement?
A7blocks
B.12blocks
C9blocks
D.10blocks
E.86blocks
Section:0301PositionandDisplacement
20. Ananttravels30cmeast,the25cmnorth,andfinally15cmwest.Whatisthedirectionwithrespect tohisstartingpoint?
A.59°NofE
B.77ºNofE
C.29ºNofE
D.59ºNofW
E.29ºNofE
21
Section:0301PositionandDisplacement
Awalkerstartsattheoriginat1:00PMandwalks30kmfromtheorigintowardtheWESTtopoint
A.ShearrivesatpointAat2:30PM.ShethenwalksfrompointA2.0kmtowardtheWESTtopoint BandarrivesatpointBat3:45PM.Thewalker'saveragevelocityfortheentiretripis
A18km/hrtowardtheEAST.
B.18km/hrtowardtheWEST.
C13km/hrtowardtheWEST.
D.1.3km/hrtowardtheEAST.
E.0.36km/hrtowardtheWEST.
Section:0302Velocity
22 Acartravelsadistanceof100kmin200hoursItthentravelsanadditionaldistanceof600kmin 1.00hour.Theaveragespeedofthecarfortheentiretripis
A.80.0km/hr.
B.60.0km/hr.
C.533km/hr.
D.500km/hr.
E.46.7km/hr.
Section:0302Velocity
23 Acartravelsat500km/hrfor200hoursItthentravelsanadditionaldistanceof400kmin100 hour.Theaveragespeedofthecarfortheentiretripis
A610km/hr.
B.571km/hr.
C.53.3km/hr.
D.467km/hr. E300km/hr.
Section:0302Velocity
24. Acartravelsfor140kmat70.0km/hr.Itthentravelsanadditionaldistanceof60.0km40.0km/hr. Theaveragespeedis
A610km/hr.
B571km/hr.
C.53.3km/hr.
D.46.7km/hr. E.45.0km/hr.
Section:0302Velocity
25 ThegraphshowsvxversustforanobjectmovingalongstraightlineWhatistheaveragevelocity fromt=0tot=11s?
A.25m/s2
B.36m/s2
C.30m/s2
D.21m/s2
Section:0302Velocity
26. Thegraphshowsvxversustforanobjectmovinginastraightline.Whatistheaveragevelocityfrom t=0stot=9s?
A.44m/s2
B.32m/s2
C22m/s2
D.24m/s2
Section:0302Velocity
27. Thegraphshowsvxversustforanobjectmovingalongstraightline.Whatistheaccelerationatt=11 s?
A.-10m/s2
B.10m/s2
C.22m/s2
D.-22m/s2
Section:0303NewtonsSecondLawofMotion
28 ThefigureshowsthespeedometerreadingsasacarcomestoastopSolvegraphicallyforthe accelerationatt=70s
A.2.5m/s2
B.-2.5m/s2
C.-2.0m/s2
D.2.0m/s2
Section:0303NewtonsSecondLawofMotion
29. Thefigureshowsthegraphofvxversustimeforanobjectmovingalongthex-axis.Whatisthe accelerationatt=70s?
A.4.0m/s2
B.5.0m/s2
C.0.5m/s2
D.04m/s2
Section:0303NewtonsSecondLawofMotion
30
Anobjectstartsfromrestwithanaccelerationof20m/s2for30secondsItthenreducesits accelerationto10m/s2for50additionalsecondsThevelocityattheendofthe50secondsinterval is
A.6.0m/s.
B.18m/s.
C.8.0m/s.
D.18m/s.
E.11m/s
Section:0303NewtonsSecondLawofMotion
31. Anobjectstartsfromrestwithanaccelerationof2.0m/s2for3.0seconds.Itthenreducesits accelerationto10m/s2for50additionalsecondsThetotaldistancecoveredis
A.52m
B.38m
C11m
D.90m
E76m
Section:0303NewtonsSecondLawofMotion
32. A4.0kgmasshasavelocityof12m/stotheWEST.The4.0kgmassundergoesanaccelerationof 20m/s2totheWESTfor30secWhatisthevelocityofthe40kgmassattheendofthe30sec interval?
A.18m/stotheWEST
B.60m/stotheWEST
C00m/s
D.60m/stotheEAST
E18m/stotheEAST
Section:0304ApplyingNewtonsSecondLaw
33. A4.0kgmasshasavelocityof10m/stotheEAST.The4.0kgmassundergoesanaccelerationof 40m/s2totheWESTfor30secWhatisthevelocityofthe40kgmassattheendofthe30sec interval?
A22m/stotheWEST
B.2.0m/stotheWEST
C.0.0m/s
D.20m/stotheEAST
E22m/stotheEAST
Section:0304ApplyingNewtonsSecondLaw
34. Acartravelingat3.0m/shasaconstantaccelerationof4.0m/s2.After2.0seconds,thevelocityis
A50m/s
B.70m/s
C90m/s
D.11m/s.
E.13m/s.
Section:0304ApplyingNewtonsSecondLaw
35 Acartravelingat40m/shasaconstantaccelerationof20m/s2After30seconds,theaverage velocityduringtheaccelerationis
A.5.0m/s.
B.70m/s
C90m/s
D.11m/s.
E.13.
Section:0304ApplyingNewtonsSecondLaw
Acartravelingat4.0m/shasaconstantaccelerationof2.0m/s2.After3.0seconds,thedistance traveledduringtheaccelerationis
A.21m.
B.17m.
C.10m.
D.13m.
E.9m.
37
Section:0304ApplyingNewtonsSecondLaw
Aboatistravelingat40m/sasitpassesthestartinglineofaraceIftheboatacceleratesat20m/s2 for3.0seconds,thenthevelocitytheboathasafterthe3.0secondsis
A.21m/s.
B.9.0m/s.
C13m/s
D.10m/s.
E.4.0m/s.
38
Section:0304ApplyingNewtonsSecondLaw
Aboatistravelingat40m/sasitpassesthestartinglineofaraceIftheboatacceleratesat10m/s2 for6.0seconds,thenthedistancetheboathastraveledafter6.0secondsis
A.42m
B.18m.
C.26m.
D.20m.
E.14m.
Section:0304ApplyingNewtonsSecondLaw
39 Aboatistravelingat40m/sasitpassesthestartinglineofaraceIftheboatacceleratesat10m/s2 for6.0seconds,thentheaveragevelocityoftheboatforthe6.0secondsis
A.21m/s.
B.9.0m/s.
C.13m/s.
D.10m/s
E.7.0m/s.
Section:0304ApplyingNewtonsSecondLaw
40 Acarstartsfromrestandtravelsadistanceof100min10secondsTheaccelerationofthecaris
A.1.0m/s2 .
B.20m/s2
C25m/s2
D.3.0m/s2 .
E.3.5m/s2 .
Section:0304ApplyingNewtonsSecondLaw
41 Acarstartsfromrestandtravelsadistanceof100min20secondswithaconstantaccelerationThe velocityofthecarisattheendofthe20secondintervalis
A.25m/s.
B.20m/s.
C.15m/s.
D.10m/s.
E50m/s
Section:0304ApplyingNewtonsSecondLaw
42. Acarstartsfromrestandtravelsadistanceof100min15secondswithaconstantacceleration.The averagevelocityofthecarforthe15secondsintervalis
A.24.0m/s.
B.210m/s
C167m/s
D.133m/s
E.667m/s
43
Section:0304ApplyingNewtonsSecondLaw
Arunnerstartsfromrestandwithanaccelerationof10m/s2travelsadistanceof10metersThetime ittakestherunnertocoverthedistanceis
A.6.3s.
B.5.7s.
C.5.0s.
D.4.5s.
E.3.8s.
44
Section:0304ApplyingNewtonsSecondLaw
Arunnerstartsfromrestandwithanaccelerationof20m/s2travelsadistanceof12metersThe velocityoftherunnerattheendofthedistanceis
A.3.4m/s.
B.5.7m/s.
C.69m/s
D.75m/s
E.8.1m/s.
Section:0304ApplyingNewtonsSecondLaw
45 Anobjectstartsfromrestandmoveswithanaccelerationof20m/s2for30secondsItthenreduces itsaccelerationto1.0m/s2for5.0additionalseconds.Thevelocity8secondsfromthestartofthe motionis
A.51m/s.
B.38m/s.
C.11m/s
D.90m/s
E76m/s
Section:0304ApplyingNewtonsSecondLaw 46.
Anobjectstartswithaninitialvelocityof4.0m/sandaccelerateswithanaccelerationof+4.0m/s2 for6.0seconds.Itthendeceleratesat-2.0m/s2untilitsvelocityis4.0m/s.Thetotaldistancecovered is A67m B. 194m C.105m. D. 288m. E.215m.
Section:0304ApplyingNewtonsSecondLaw
47. Acarstartingfromresttravelsadistanceof20.0mwithaconstantaccelerationof2.0m/s2.Thecar thenslowstoastopin10.0secondswithaconstantnegativeacceleration.Thedistancetraveledbythe caris
A36m
B.46m
C50m
D.58m
E.65m
Section:0304ApplyingNewtonsSecondLaw
48. A2.0kgobjectismovingatavelocityof12.0m/s.Thedragforce6.0N.Ifthedragforceisgivenby theequationF=bv2,thenthevalueofbis
A.1.5×10-2Ns2/m2 .
B.4.2×10-2kg/m.
C39×10-1kg/m2
D.4.2×10-1N/m2 .
E.7.5×10-3Ns2/m2 .
Section:0304ApplyingNewtonsSecondLaw
49 Abeetlerunsanerraticpatternonasquarekitchentablethatis15monasideThesidesarearranged alongthedirectionsNorth/SouthandEast/West.IfhebeginsattheSouthwestcorner,andtravels alongonesidetotheadjacentcornerin200sHethenturnsnorth,andreachestheNortheastcorner 125slater.Whatisthemagnitudeofhisaveragevelocityforthewholetrip?
A.0.033m/s
B.0.065m/s
C.0.092m/s
D.0.098m/s
Section:0302Velocity
50. Anantcrawlsinastraightlineataconstantspeedof0.24m/s,beginninginthecornerofasquare classroom,for30mItthenturnsexactly90degreestotheright,andproceedsanadditional 40mwithaconstantspeedof044m/s,reachingtheothercornerofthesamewallfromwhichit beganWhatwastheaveragespeedforthefulltripfromcornertocorner?
A.032m/s
B.0.23m/s
C030m/s
D.034m/s
E021m/s
Section:0302Velocity
51. Anantcrawlsinastraightlineataconstantspeedof0.24m/s,beginninginthecornerofasquare classroom,for300mItthenturnsexactly90degreestotheright,andproceedsanadditional400m, reachingthefarcornerofthesamewallfromwhichitbeganIfthesecondlegwasalsocrawledin halftheamountoftimeasrequiredforthefirstleg,whatwastheant’saveragespeedforthewhole trip?
A080m/s
B.0.27m/s
C.037m/s
D.044m/s
Section:0302Velocity
52. Anantcrawlsinastraightlineataconstantspeedof0.35m/s,beginninginthecornerofasquare classroomthatis5.00monaside.Itfirstcrossesthediagonaloftheroom,andthenturnstotheright, continuingat045m/stothefarcornerofthesamewallfromwhichitbeganWhatwastheant’s averagespeedforthewholetrip?
A016m/s
B.040m/s
C.039m/s
D.024m/s
53. Abaseballispitched,reachingthebatterwithaspeedof37m/s,andishit,returningonthesameline at48m/s.Iftheballwasincontactwiththebatfor0.22seconds,whatwastheaverageacceleration experiencedbytheballduringthetimeofcontact?
A.41m/s2
B.220m/s2
C170m/s2
D.390m/s2
54
Section:0303AccelerationandNewton'sSecondLawofMotion
A450gbaseballispitched,reachingthebatterwithaspeedof37m/s,andishit,returningonthe samelineat48m/s.Iftheballwasincontactwiththebatfor0.22seconds,whatwastheaveragenet forceexperiencedbytheballduringthetimeofcontact?
A.98N
B.170N
C18N
D.77N
55
Section:0303AccelerationandNewton'sSecondLawofMotion
Youdriveyourcar50kmdueEastat35km/hr,andsuddenlyrealizethatyouforgotyourwallet.So, youreturnhome,drivingWestat40km/hr,anduponarrivalspend10minuteslookingforit,and finallygobackontheroadforatotalof570kmdueEast.Ifyouraveragespeedwas40km/hrforthe wholejourney,whatwasyouraveragespeedonyourlastleg?
A. 40km/hr
B. 35km/hr
C. 46km/hr
D. 49km/hr
56
Section:0302Velocity
Theinterstateon-rampis15kmWestofyourhome,andonleavingforgrandmother’shouseyou areonlyabletoaccomplishanaveragevelocityof12km/hrbetweenyourhomeandtheon-rampAt theonramp,youwaitfortraffic,for2.0min–andthenareabletoproceedtowardgrandmother’s house.Ifyouwishtoarrivethere,whichis15kmSouthoftheon-ramp,overariverandthrough somewoods,inatotalelapsedtimeof25.0minutes,whataveragespeedmustyoumaintainonthe interstatehighway?
A36km/hr
B.67km/hr
Cnoneofthese
D. 58km/hr
Section:0302Velocity
Theinterstateon-rampis5.5kmWestofyourhome,andonleavingforgrandmother’shouseyou areonlyabletoaccomplishanaveragevelocityof38km/hrbetweenyourhomeandtheon-rampAt theonramp,youwaitfortraffic,for20min–andthenareabletoproceedtowardgrandmother’s houseIfyouwishtoarrivethere,whichis15kmSouthoftheon-ramp,overariverandthrough somewoods,havingachievedanaveragevelocityof42km/hr,howfastdoyouneedtodrivesouthon theinterstatehighway?
A. 39km/hr
B. 58km/hr
C. 48km/hr
D. 78km/hr
Section:0302Velocity
58 Thefigureshowsthegraphofvxversustimeforanobjectmovingalongthex-axisSolvegraphically forthedistancetraveledbetweent=5.0sandt=9.0s.
A.110m
B.120m
C.100m
D.130m
Chapter-pullfromChapter#17
Section:0402KinematicEquationsforMotionAlongaLinewithConstantAcceleration
59 Thefigureshowsthegraphofvxversustimeforanobjectmovingalongthex-axisSolvegraphically fortheaverageaccelerationbetweent=50sandt=90s
A40m/s2
B.50m/s2
C.0.5m/s2
D.0.4m/s2
Chapter-pullfromChapter#18
Section:0402KinematicEquationsforMotionAlongaLinewithConstantAcceleration
60. Arockisthrownstraightupandreachesamaximumheight.Whichofthefollowingdescribesthe motionatthemaximumheight?
Athevelocityiszeroandtheaccelerationiszero
B.thevelocityismaximumandtheaccelerationiszero
Ctheaccelerationisincreasingandthevelocityiszero
D.theaccelerationisnotchangingandthevelocityiszero
61
Chapter-pullfromChapter#19 Section:0404FreeFall
Aballisthrownupwardatavelocityof196m/sWhatisitsvelocityafter300s?
A980m/sup
B.zero
C196down
D.980m/sdown
62
Chapter-pullfromChapter#20 Section:0404FreeFall
Abulletshotstraightupreturnstoitsstartingpointin10sWhatistheinitialspeedofthebullet?
A98m/s
B.49m/s
C25m/s
D.98m/s
63
Chapter-pullfromChapter#21 Section:0404FreeFall
Aballisthrowndownwardfromthetopofabuildingwithaninitialspeedof25m/sIthitsthe groundin20sHowhighisthebuilding?
A.70m
B.50m
C30m
D.20m
64
Chapter-pullfromChapter#22 Section:0404FreeFall
TwoballsarethrownfromthetopofabuildingOneisthrownupandtheotheristhrowndown,both withthesameinitialspeed.Whataretheirspeedswhentheyhitthestreet?
A.theyaretravelingatthesamespeed
B.theonethrowndownistravelingfaster
Ctheonethrownupistravelingfaster
D.itdependsontheheightofthebuilding
Chapter-pullfromChapter#23 Section:0404FreeFall
65 Aballisthrownstraightupwithaninitialspeedof30m/sWhatisitsspeedafter42s?
A.72m/s
B.42m/s
C.30m/s
D.11m/s
Chapter-pullfromChapter#24 Section:0404FreeFall
66. Aballisthrownstraightupwithaspeedof30.0m/s.Whatisthemaximumheightreachedbythe ball?
A.132m
B.920m
C.45.9m
D.21.3m
Chapter-pullfromChapter#25 Section:0404FreeFall
67. Humanreactiontimeisusuallygreaterthat0.10s.Ifyourfriendholdsarulerbetweenyourfingers andreleasesitwithoutwarning,howfarcanyouexpecttherulertofallbeforeyoucatchit?
Aatleast30cm
Batleast49cm
C.atleast6.8cm
D.atleast9.8cm
68
Chapter-pullfromChapter#26
Section:0404FreeFall
BallAisdroppedfromthetopofabuildingOnesecondlaterballBisdroppedfromthesamepoint. Astimeprogresses,thedistancebetweenthem
A.increases.
B.decreases.
Cremainsconstant.
D.needmoreinformation
69
Chapter-pullfromChapter#27
Section:0404FreeFall
Aballisthrownstraightup,reachesamaximumheight,thenfallstoitsinitialheight.Astheballis goingup
A.bothitsvelocityanditsaccelerationpointdownward.
B.itsvelocitypointsdownwardanditsaccelerationpointsupward.
C.itsvelocitypointsupwardanditsaccelerationpointsdownward
D.bothitsvelocityanditsaccelerationpointupward 70
Chapter-pullfromChapter#28
Section:0404FreeFall
Asprinterruns100.0min9.87seconds.Ifhetravelsatconstantaccelerationforthefirst75.0m, andthenatconstantvelocityforthefinal25.0m,whatwashisaccelerationduringthefirst75.0m?
A158m/s2
B.205m/s2
C.210m/s2
D.2.74m/s2 .
Chapter-pullfromChapter#61
Section:0402KinematicEquationsforMotionAlongaLinewithConstantAcceleration
Asprinterruns1000mIfhetravelsatconstantaccelerationof195m/s2forthefirst750m,and thenatconstantvelocityfortheremainingdistance,whatwashistotalelapsedtimeforthewhole race?
A.10.2s. B.101s C113s D.98s
Chapter-pullfromChapter#62
Section:0402KinematicEquationsforMotionAlongaLinewithConstantAcceleration
Asprinterruns100.0m.Ifhetravelsatconstantaccelerationof1.95m/s2forthefirst6.00s,andthen atconstantvelocityfortheremainingtime,whatwashisaveragevelocity?
A99m/s
B.102m/s
C. 87m/s
D.98m/s
Chapter-pullfromChapter#63
Section:0402KinematicEquationsforMotionAlongaLinewithConstantAcceleration
Anelectrontravelsunderconstantaccelerationfromaheatedfilamentinanelectronguntothe tipofthegun,whereitisemitted.Ifthefinalspeedoftheelectronis1.5x105m/s,andthelength ofthegunfromfilamenttotipis125cm,whatwastheaccelerationtheelectronunderwent?
A90x1010m/s2
B.18x109m/s2
C90x109m/s2
D.1.8x1012m/s2
E.6.0x106m/s2
F.90x1011m/s2
Chapter-pullfromChapter#64
Section:0402KinematicEquationsforMotionAlongaLinewithConstantAcceleration
Amouseisrunningawayfromacatat075m/s,and,at125mfromhismousehole,heacceleratesat aconstantrateof0.25m/s2untilhereacheshisholesafely.Howlongatimewasrequiredforhimto coverthelast125m?
Chapter-pullfromChapter#65
Section:0402KinematicEquationsforMotionAlongaLinewithConstantAcceleration
75. Amouseisrunningawayfromacatat0.75m/s,and,at1.25mfromhismousehole,heacceleratesata constantrateuntilhereacheshisholesafely,0.75slater.Whataccelerationdidheundergoduringthe final1.25mofhisescape?
A.6.4m/s2
B.24m/s2
C.1.8m/s2
D.4.8m/s2
E.1.2m/s2
Chapter-pullfromChapter#66
Section:0402KinematicEquationsforMotionAlongaLinewithConstantAcceleration
76 Amodelrocketfliesupwardatconstantacceleration,andundergoesadisplacementof150mduring itsfirst025softravelWhatwasitsspeedattheendofthefirst025s?
A.120m/s
B.11m/s
C30m/s
D.60m/s
Chapter-pullfromChapter#67
Section:0402KinematicEquationsforMotionAlongaLinewithConstantAcceleration
77 Asmallgoldenstatuefallsfromaheightof82mabovethetopsurfaceofapillow.Iftheacceleration ofthestatue,uponstrikingthepillow,isconstant,whatisthevalueoftheaccelerationifthepillow compressesby39cmasthestatuecomestorest?
A210m/s2
B.2100m/s2
C21m/s2
D.160m/s2
Chapter-pullfromChapter#68 Section:0404FreeFall
78 Ifafleacanjumpupto45cmaboveitsinitialrestingpoint,withwhatspeedisitabletoleavethe groundwhenjumping?
A.4.2m/s
B.88m/s
C.3.0m/s
D.2.1m/s
Chapter-pullfromChapter#69 Section:0404FreeFall
79. Onestoneisdroppedfromthesideofabridge,andasecondisdroppedfromthesameplaceashort timelater.Whatistrueaboutthedistancebetweenthestonesasafunctionoftimeafterbothhave beendropped?Ignoreairresistance
ADecreases,andthenreachesaconstantvalue
B.Increases,finallyreachingaconstantvalue
CAlwaysdecreases
D.Alwaysincreases
EIsconstant
Chapter-pullfromChapter#70 Section:0404FreeFall
80 Aballisdroppedattimet=0Att=20s,asecondballisthrowndownwardwithspeedv.Whatisvif att=40s,thetwoballsareatthesameverticalposition?
A49m/s
B.25m/s
C.29m/s
D.15m/s
Chapter-pullfromChapter#71 Section:0404FreeFall
Abaseballisstruckbyabatteratananglesuchthatitreachesitsmaximumheightatthelocationof thepitcher–andjustgrazesthetopofthepitcher’shead(atanelevationof150mabovethelaunch pointofthebaseball).Thepitcherisahorizontaldistanceof200mfromthepointatwhichtheball wasstruck.Whatwasthelaunchangleforthebaseball?
Chapter-pullfromChapter#76
Section:0405MotionofProjectiles
Abaseballisstruckbyabatteratananglesuchthatitreachesitsmaximumheightatthelocationof thepitcher–andjustgrazesthetopofthepitcher’shead(atanelevationof1.50mabovethelaunch pointofthebaseball).Thepitcherisahorizontaldistanceof200mfromthepointatwhichtheball wasstruck.Whatwasthelaunchspeedforthebaseball?
Chapter-pullfromChapter#77
Section:0405MotionofProjectiles
