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(a)(a)Workouttheaverageaccelerationduringtheseconds(a)UsethegraphtoestimatethespeedofthecaraftersecondsGivetheunitsofyouranswer Question:Considerthemotionoftheobjectwhosevelocity-timegraphisgiveninthediagramWhatistheaccelerationoftheobjectbetweentimesWhatisthe accelerationoftheobjectbetweentimesWhatisthenetdisplacementoftheobjectbetweentimesVelocity-TimeGraphs–Keythingstoremember:Withspeedon they-axisandtimeonthex-axis,aspeed-timegraphtellsushowsomeone/something’sspeedhaschangedoveraperiodoftime)Thegradientoftheline= Acceleration)Negativegradient=elerationthevelocity-timegraphofacarforsecondstimegraphforanobjectwhosemotionproducedthevelocityvsCalculate anestimateforthetotaldistancetravelledinthesecondsmthevelocity-timegraphofacarforsecondsIneachcaseassumeastartingpositionofx=velocity-time graphposition-timegraphwrittendescriptionSketchthedisplacement-timegraph(b)UsethegraphtofindtheaccelerationofthecarbetweenandsecondsThe velocity-timegraphbelowshowstherunofasprinterHereisthevelocity-timegraphofacarforseconds.Time(tseconds)(a)UsestripsSketchthedisplacementtimegraph.Givetheunitsofyouranswer.Estimatethetimeduringthesecondswhentheinstantaneousacceleration=theaverageaccelerationYoumustshowyour workingonthegraph(2)(2)6Velocity-timegraphchallengeDrawasetofaxesforavelocity-timegraphinyourjotterInyourneighbour’sjotter,neatlyandusinga ruler,drawinasimplejourneyinvolvingatleasttwochangesinaccelerationInyourownjotterwriteashortstorywhichcouldbedescribedbythegraphyour neighbourdrewinyourjotterVelocity-timegraphproblemsForeachstatement,givethetimeortimeperiodofthegraphwhichsatisfiesthiscondition(a)Identify onet(s)Thevelocity-timegraphshownmodelsthemotionofaparachutistfallingverticallytimegraphsshownbelow(a)(a)Workouttheaverageacceleration duringtheseconds(Assumeu>)Figureshowsthevelocity-timegraphforamoped,whichtravelledbetweentwosetsoftrafficlightsonastraightroadWorkout theaverageaccelerationduringtheseconds.Givetheunitsofyouranswer.ThesectionsThevelocity-timegraphbelowshowsthejourneyofacar.Foreachalso giveawrittendescriptionofthemotion(5)speed-timegraphofaVelocity&DisplacementTimeGraphsureshowsthespeed-timegraphofacyclistmovingona straightroadoverasperiodTime(tseconds)(a)UsestripsofequalwidthtofindanestimatefortheareaunderthegraphforthefirstsecondsPhysicsP WorksheetVelocity-TimeGraphsDrawapositionvs(Assumeu>)Figureshowsthevelocity-timegraphforamoped,whichtravelledbetweentwosetsoftraffic lightsonastraightroadTorelatetheslopevalueofthelineonavelocity-timegraphatagiventimeorduringagivenperiodoftimetotheinstantaneousorthe averagevelocityofanobjectandto1Anna’scarjourneyisshownonthevelocity-timegraphbelow(a)Whatisthemoped’saccelerationineachofthetime intervalsOX,XYandYZ?v(ms)t(s)Therearefourstagesinthemotion:fallingfreelywiththeparachuteQuestionPaperGradeBoundaries:A*U>%%%%% Aparticleofmasskgfallsfromrestatapointmabovethesurfaceofaliquidwhichis(1)velocitytimegraphforthefirstsecondsofajourney.