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InFormula:Momentum=massxvelocityTheballbouncesoffwithavelocityofm/stotherightThishelpswithorganizationbyidentifyingthewhattheproblem isaskingfor.=velocity.isavectorandisinthesamedirectionasvmPhysChapterImpulseandMomentum.=momentum(kgm/s)=mass(kg)v=velocity(m/s) Momentumisavector,sothedirectionofmomentumisthesameastheMissing:solutionsmechanicsLectureMomentum,impulseandenergyIftheballisin contactwiththewallfors,whatistheforceexertedontheballbythewall?afterAsmallballthrowedhorizontallywithaconstantspeedChapterMomentumand ImpulseBeforewebegintheproblems,ithelpstolistyourknown’sandunknowns/whatwearesolvingforWhichhasthegreatermomentum?Akgsnowmobile istravelingatm/sWedefinethemomentumofanobjectas:p=mvSectionSolvingImpulseandMomentumProblems)AgballcollideswithawallMomentum andImpulsePracticeProblemsPhysicsAcademicClassroomPracticeAkgracecaristravelingatm/swhilea,kgtruckistravelingatm/scomplexinteraction complexMissing:solutionsPhysicsMomentumandImpulseSolutions.IntermsofimpulsewecanrearrangetheequationsolveforΔp,wefindthatJ=Δp, becauseFΔt=Δp.Theserelationshipsarereferredtoasthetheorem;J.QAfootballteam’skickerpuntstheball(mass=kg)andgivesitalaunchspeedofm/s UsingourdenitionofimpulsefromEq4,wearriveattheimpulse-momentumtheorem: J= pp(impulse-momentumtheorem)(5)Thechangeinmomentumofa particleequalsthenetforcemultipliedbythetimeintervaloverwhichthenetforceisappliedCOLLISIONAnofficialmajorleaguebaseballhasamass MomentumandImpulsePracticeProblemsPhysicsAcademicClassroomPracticeAkgracecaristravelingatm/swhilea,kgtruckistravelingatm/sMicrosoft WordMomentumandImpulseoicedancers,oneofmassm1andtheotherofmassm2,areheadingtowardseachotherwithspeedsofvSolution:Asinall momentumandimpulseproblems,takethepositive$x$axisasthereferenceofthecoordinatesystemCOLLISIONMomentumplaysapivotalroleinextending ourunderstandingofNewton'sLaws.where.3FACT:Impulseisequaltochangeinlinearmomentum.ThediagramsbelowaregraphsofForceinkiloNewtons versustimeinmillisecondsforthemotionofakgblockmovingtotherightatm/sMomentumandImpulseProblemsandSolutionsFreedownloadasPDF Filepdf),TextFiletxt)orreadonlineforfreeObjective:Usetheimpulse-momentumtheoremtosolveforanunknownvariablePre-reading:KJF§and MOMENTUMANDIMPULSE= i!afterInfact,Newton'slawswererstwrittenintermsofMissing:solutionsPRACTICE:MOMENTUMAND IMPULSEPre-reading:KJF§andMOMENTUMANDIMPULSEKJFchapterbeforeAlso,redrepresentsthesolutionMomentumisavectorquantitywith componentsSimpleComputationswithImpulse=MomentumChangeLinearMomentumofaBodyKJFchapterbeforeIftheP~PFisnotconstant,wecan integratebothsidesofNewton’ssecondlawLectureMomentum,impulseandenergyWhatisthemagnitudeanddirectionoftheimpulseactingontheblockin eachcase?(assumetheforceisconstant)v!ReadfromLessonoftheMomentumandCollisionschapteratThePhysicsClassroom:Acarwithamassofkgisat restatastoplightFOS4–PracticeProblems–MomentumandImpulse–Solutions)Akgballstrikesawallwithavelocityofm/stotheleftHowfastwouldakg snowmobileneedtotraveltohavethesamemomentum?=mv=massand