WGUl C165l Prel Assessmentl V2l (Latestl 2025/l 2026l Update)l Integratedl Physicall Sciencesl |Questionsl &l Answers|l Gradel A|l 100%l Correctl (Verifiedl Solution)
Q:l Astronomersl havel longl acceptedl thatl platel tectonicsl existsl nowherel inl ourl solarl systeml exceptl onl Earth.l Inl 2011,l al scientistl analyzedl 100l NASA-space-missionl photographsl ofl Vallesl Marinerisl onl Mars,l thel longestl knownl seriesl ofl canyonsl inl thel solarl system.l Thel scientistl foundl thatl Vallesl Marinerisl showedl featuresl foundl onlyl inl locationsl onl Earthl wherel majorl tectonicl platesl divide.l
Whatl wouldl bel thel appropriatel responsel ofl scientistsl tol thisl information?
Answer:
Carryl outl furtherl researchl tol gainl morel understandingl ofl possiblel platel tectonicsl onl Mars
Q:l Accordingl tol thel theoryl ofl platel tectonics,l volcanoesl arel especiallyl likelyl tol forml alongl platel boundariesl becausel ofl risingl magma.l Newl satellitel datal mappingl thel oceanl floorl revealsl thousandsl ofl seamounts,l whichl arel smalll volcanoes.l Somel ofl thel seamountsl arel inl linesl thatl couldl correspondl tol pastl orl presentl platel boundaries,l butl manyl arel notl alignedl inl thisl way.l
Howl shouldl scientistsl appropriatelyl respondl tol thel ideal thatl somel newl mechanisml ofl formingl thel volcanoesl isl involved?
Answer:
Carryl outl morel researchl tol understandl betterl howl thel seamountsl form
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Q:l Forl manyl decades,l scientistsl thoughtl theyl understoodl howl ozonel breaksl downl inl thel stratosphere,l creatingl ozonel holes.l However,l newl datal showl significantlyl lowerl reactionl ratesl thanl canl bel explainedl byl thel long-heldl model.l
Whatl isl thel appropriatel scientificl approachl forl dealingl withl thisl contradiction?
Answer:
Conductl additionall experimentsl tol confirml thel newl data
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 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 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.
Al womanl isl inl al typicall prone,l plankl positionl doingl al push-up.l Shel isl lookingl atl thel floor.l Herl toesl arel contactingl thel floorl withl herl feetl perpendicularl tol thel floor.l Herl handsl arel flatl onl thel floorl withl wristsl bentl sol thatl herl forearmsl arel perpendicularl tol thel floorl andl elbowsl bentl sol thatl herl upperl armsl arel parallell tol thel floor.
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.l
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 Twol identicall trainl enginesl arel parkedl onl parallell tracks.l Onel enginel hasl tenl carsl attached,l andl thel otherl hasl nol carsl attached.l Eachl enginel exertsl thel samel netl force,l whichl allowsl thel trainl tol overcomel staticl friction.l l Whichl enginel willl bel ablel tol acceleratel more?
Answer:
Thel enginel notl pullingl anyl carsl willl acceleratel more
Q:l Al womanl appliesl anl upwardl forcel tol al basketl filledl withl groceries.l Assumel shel isl standingl still.l
Whatl willl happenl tol thel basketl ifl thel forcel shel appliesl isl greaterl thanl thel forcel ofl gravity?
Answer:
Thel basketl willl movel up
Q:l Al heavyl truckl andl al lightl carl travell atl thel samel velocityl side-by-sidel onl thel highway.l Bothl driversl applyl thel samel brakingl forcel atl thel samel moment.l
Whatl willl happenl tol thel twol vehicles?
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