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SPH4U02-DCollisionLabProblem:Ismomentumconservedinatwo-dimensionalcollision__terials:2steelballs1glassballCarbonpaper__skingtapepaperC-clamp2-DcollisionapparatussetupasindiagramPro__dure:PARTA:2BallsofIdentical__ss
1.Swivelthetargetsupportarounduntilitislinedupwiththecurvedramp.Pla__asteelballonthetargetsupportandadjustthedistan__totheendoftherampsothatthesupportistworadii2Rfromit.
2.Removethesteelballfromthetargetsupportandpla__itontherampagainsttheupperbolt.Releaseitfromthispoint.Itshouldjustclearthesupport.Ifa__allclickisheardtheballistouchingthesupportasitislaunched.Adjusttheheightofthetargetsupporttopreventthis.
3.Pla__carbonpaperonthefloorblacksideup.Coveritcompletelywithalargepie__oftracingpaper.Positionthepapersothattheplumblinesuspendedfromthetargetsupporthangsoverthemiddleofoneendofthepaper.Tapethepapertothefloor.__rkthepointdirectlybeneaththeplumbbobwithanX.
4.Determinetheinitialhorizontalmomentumoftheincidentballbeforethecollisionbyreleasingitafewtimes.Circlethedistributionof‘landings’onthepaper.UsingarulerdrawavectorfromthepointXtothe__ntreofthedistributionofpoints.Thisvectorrepresentstheinitialmomentumoftheincidentball.
5.Pla__anidenticalsteelballonthetargetsupport.Swivelthesupportsidewaysabout45degreestoprodu__anoff-__ntrecollisionbetweentheincidentandthetargetballs.RecordthepointofcollisionX1directlybelowtheplumbbob.Theincidentballisreleasefromthetopoftheramp.Thetwoballsshouldhitthepaperattwodifferentpoints.Repeatafewtimestocreateaclusterof‘landings’again.Drawacirclearoundtheseand__rkthe__ntresasT1fortheballthatwasstationarytargetandI1fortheotherIncident.
6.Swivelthetargetballtodifferentpositionsandrepeatstep5forasecondangle.LabelthesecondpairofpointsT2andI
2.AlsolabelthenewimpactpointasX
2.Repeaton__moreforathirdangle.
7.TodrawthevectorsrepresentingthemomentaaftercollisionjointhepointXntotheimpactpointsforboththeincidentballandthetargetballfortheXncollision.
8.Addthetwomomentumvectorsgraphicallyforeachcollisionplacingthetailofthemomentumvectorforthetargetballattheheadofthemomentumvectorfortheincidentball.YoucoulduseathinsheetofpapertocopyonevectorandthenslidewithoutrotatingtothetipoftheotherComparethisvectorsumwithboththe__gnitudeanddirectionofthemomentumvectoroftheincidentballbeforethecollision.Foreachcollisiondeterminewhethermomentumisconservedina2-Dcollision
9.Calculatetheper__ntageerrorforeachofthethreetrialsbycomparingthe__gnitudesoftheincidentandresultantvectors
10.List2possiblesour__soferrorandexplainhowtheyaffecttheresults.PartB:2BallsofDifferent__ss
11.Repeattheinvestigationusingthesameincidentsteelballbutalightertargetglassballofthesamediameter.Usinganewsheetoftracingpaperrecordtheincidentvelocityofthesteelballasinstep
4.Nextpla__theglasstargetballonthetargetsupportandrecord1off-__ntrecollision.Remembertodoanumberofrunstoprodu__a‘cluster’Finallydrawinthevelocityvectorsseenotebelowforeachcollision.*Note:Forthefirstpartofthelabthe__sseswereequalsovelocityvectorscouldbeusedasmomentumvectors.Howeverinthesecondpartthisisnottrueasthe__ssesaredifferent.Sowewill____yzethecollisionalittledifferently.Completethefollowingtable:Forsingle__rblemeasurementMeasuretheverticaldistan__fallenCalculatethetimeittooktofallMeasurethehorizontaldistan__tr__eledCalculatethehorizontalspeedMeasurethe__ssofthe__rbleCalculatethe__rble’smomentumFormeasurementsafterthecollisionStationaryglassMovingsteelMeasurethehorizontaldistan__tr__eledCalculatethehorizontalspeedMeasurethe__ssofthe__rbleCalculatethe__rblesmomentumUsingthevaluesformomentumthatyoucalculatedandthedistan__measurementsonyourpapercalculateascaleforyourdrawing.Howmuchmomentumdoeseachcmofdistan__representForSteelBall:1cm=__________kgm/sForGlassBall:1cm=__________kgm/s
14.Boththe__rblestr__eldiagonallycomparedtothepathofthesingle__rble.Breakeachoftheirpathsintotwocomponents–oneparalleltotheincidentball’sdirectionandoneperpendiculartoit.Onyourpaperdrawalineperpendicularlyfromthesingle__rblepathtothelandingspotsofeachofthetwo__rbleschooseanyonepair
15.Nowyoucanmeasurehowfareach__rbletr__elsinthesamedirectionasthesingle__rbleandhowfareach__rbletr__elsperpendicularlytothatdirection.Measurethosedistan__sand__rkthemonyourpaper.Usethescaleyoufiguredouttocalculatehowmuchmomentumeachdistan__representsandwritethoseonyourdiagramaswell.
16.Comparethemomentumofeach__rbleintheperpendiculardirection.Whatdoyounoti__aboutthesetwovaluesHowshouldthesenumberscompareWhy
17.Addupthemomentumofthetwo__rblesintheparalleldirection.Whatdoyounoti__aboutthesumofthesetwovaluesWhyisthisso
18.Handinallpaperrecordswithgroupnamesonit.Putcarbonpaperbackinboxforreuse!。