projectile motion - mr. glover
TRANSCRIPT
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Physics11
ProjectileMotionLearningTargets:
Ican:ü Calculatethehorizontalandverticalcomponentofavelocityvectorü Solveproblemsinvolvingprojectilesatanangle
Sofar,wehaveworkedwithkinematicproblemsin_____dimension.Butwhathappensifavelocityisatanangle?Example:Alyssaisskateboardingataconstantvelocityof10!" 14°EofN.FindhervelocityinboththeNorthandEastdirection.Sincewecanusetrigonometrytosplitcomponentsofavectorup,wecanusethekinematicequationstosolveproblemsinvolvingaprojectile.Weknowthatgravity_______________anobjectataconstantrateof___________,soaprojectilewillonlystayintheairforagivenamountoftime.Butgravityisonlyactinginthe________________direction.Thismeansthatthehorizontalcomponentofanyvelocityisalwaysgoingtoremainconstant(ifweignorewindresistance)
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Physics11
Example:Ashtonthrowsarockwithavelocityof15!" atanangleof40°fromthehorizontal.a)Howlongwilltherockstayintheairb)Howfarwilltherocktravelinthehorizontaldirectionbeforeithitsthegroundandstops?
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Physics11
OnyourOwn:At-shirtcannonataSum-41concertfirest-shirtsatavelocityof15!" .Ifthecannonispointedatanangleof10°fromthehorizontal,howfarwilltheteeshirttravelbeforeithitstheground?
Assignment:ProjectileMotionWorksheet