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ID:33158623
大小:67.80 KB
页数:3页
时间:2019-02-21
《constant acceleration lab恒定加速实验室》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、ConstantAccelerationLabIntroductionInthislabyouwillcomparetwoobjectsthatareundergoingconstantacceleration.Objectives·Collectposition,velocity,andaccelerationdataasaballtravelsstraightupanddownandforafancartmovingawayandback.·Analyzethepositionvs.time
2、,velocityvs.time,andaccelerationvs.timegraphs.·Determinethebestfitequationsforthepositionvs.timeandvelocityvs.timegraphs.·Determinethemeanaccelerationfromtheaccelerationvs.timegraph.MaterialscomputerVernierMotionDetectorVerniercomputerinterfacevolley
3、ballorbasketballLoggerProwirebasketHorizontalrampFanCartProcedurePart1:BallToss1.ConnecttheVernierMotionDetectortotheDIG/SONIC 1channeloftheinterface.2.PlacetheMotionDetectoronthefloorandprotectitbyplacingawirebasketoverit.Makesurethatthemotiondetect
4、orisplacedawayfromthetableasfaraspossiblesotoreduceanyinterferencewiththeconedshapedultrasonicbeam.3.Openthefile“06BallToss”fromthePhysicswithVernierfolderfoundinVernierSoftwareLoggerPro.4.Inthisstep,youwilltosstheballstraightupwardabovetheMotionDete
5、ctorandletitfallbacktowardtheMotionDetector.Thisstepmayrequiresomepractice.Holdtheballdirectlyaboveandabout0.5mfromtheMotionDetector.Clicktobegindatacollection.YouwillnoticeaclickingsoundfromtheMotionDetector.Waitonesecond,thentosstheballstraightupwa
6、rd.Besuretomoveyourhandsoutofthewayafteryoureleaseit.Atossof0.5mabovetheMotionDetectorworkswell.Youwillgetbestresultsifyoucatchandholdtheballwhenitisabout0.5 mabovetheMotionDetector.5.Examinethepositionvs.timegraph.RepeatStep4ifyourpositionvs.timegra
7、phdoesnotshowanareaofsmoothlychangingposition.CheckwithMr.Fawcettifyouarenotsurewhetheryouneedtorepeatthedatacollection.6.Foreachgraphpresstheauto-scalebutton(A)onthetopmenubartoresize.Youcanalsoputyourmousepointerovertheaxisandwhenacurlyarrowappears
8、clickanddragtoresize,orclickonthehighestvalueoneachaxisandenteryourownrange.7.Titleyourgraphs“balltoss”andputyourgroupmembersnamesonthembeforeprinting.Part2:FanCart1.Setthemotiondetectorontheendofahorizontalramppositionedonblockstoraiseitabovethecomp
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