WGUl C165l Prel Assessmentl V1l (Latestl 2025/l 2026l Update)l Integratedl Physicall Sciencesl |Questionsl &l Answers|l Gradel A|l 100%l Correctl (Verifiedl Solution)
Q:l Forl almostl 1500l yearsl mostl scientistsl inl Europel acceptedl Ptolemy'sl geocentricl planetaryl modell thatl suggestedl thel sunl revolvedl aroundl Earth.l Byl thel eighteenthl century,l mostl scientistsl supportedl al heliocentricl modell thatl suggestsl thatl Earthl revolvesl aroundl thel sun.l Whatl isl anl appropriatel scientificl basisl forl thisl changel inl view?
Answer:
Thel existingl theoryl wasl changedl tol accountl forl newl data
Q:l Twol scientistsl announcedl thatl theyl werel ablel tol producel nuclearl fusionl inl thel laboratory.l However,l manyl otherl scientistsl attemptedl thel samel experiment,l andl nonel werel ablel tol replicatel thel results.l Whatl isl thel appropriatel scientificl approachl forl dealingl withl thisl contradiction?
Answer:
Rejectl thel firstl scientists'l discoveryl becausel thel resultsl couldl notl bel confirmed.
Q:l Al womanl doesl pushupsl byl loweringl herl bodyl tol thel floorl usingl herl armsl andl thenl pressingl againstl thel floorl withl herl handsl tol pushl herselfl backl up,l asl shownl inl thel imagel below.l Whichl forcel causesl herl tol rise?
Answer:
Thel upwardl forcel thatl thel groundl exertsl onl thel woman
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Q:l Twol boxesl sittingl onl thel floorl lookl identical,l butl onel hasl morel massl thanl thel other.Whatl happensl whenl thel samel netl force,l sufficientl tol overcomel staticl friction,l isl appliedl tol eachl box?
Answer:
Thel boxl withl lessl massl acceleratesl more.
Q:l Balll 1l andl balll 2l havel thel samel massl andl arel travelingl atl thel samel speed.l Thel twol ballsl collidel head-onl andl stickl togetherl inl anl inelasticl collision.l Assumel therel isl nol friction.l Whatl happensl tol thel motionl ofl thel ballsl afterl thel collision?
Answer:
Theyl stickl togetherl andl remainl atl rest.
Q:l Whichl forcel keepsl Jupiterl inl orbitl aroundl thel Sun?
Answer:
Gravity
Q:l Whichl forcel causesl al jetl airplanel tol stopl onl al runway?
Answer:
Friction
Q:l Whichl forcel causesl meteorsl tol burnl upl whenl theyl enterl Earth'sl atmosphere?
Answer:
Friction 2 / 3
Q:l Al slingshotl isl al Y-shapedl stickl withl rubberl bandsl betweenl thel prongsl forl shootingl stonesl andl otherl smalll projectiles.l Al stonel isl shotl byl firstl placingl itl inl thel slingshotl holder,l whichl isl attachedl tol thel rubberl bands.l Thel stonel andl holderl andl thenl pulledl back,l stretchingl thel rubberl bands.l Whenl released,l thel stonel isl propelledl forwardl andl leavesl thel slingshotl atl al highl speed.l Whichl typel ofl energyl transformationl occursl froml thel pointl whenl thel rubberl bandsl arel fullyl stretchedl tol whenl thel stonel leavesl thel slingshot?
Answer:
Elasticl potentiall energyl isl convertedl intol kineticl energy.
Q:l Whatl energyl conversionl takesl placel asl al boxl slidesl tol al stopl onl al horizontall table?
Answer:
Kineticl energyl isl convertedl intol thermall energy.
Q:l Whatl energyl conversionl occursl inl al car'sl engine?
Answer:
Chemicall potentiall energyl isl convertedl intol thermall energy.
Q:l Whichl kindl ofl electromagneticl radiationl carriesl informationl tol andl froml al celll phonel whenl itl isl usedl forl al phonel call?
Answer:
Microwaves
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