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RIO SOLADO - PHY 111 Midterm 1
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RIO SOLADO - PHY 111 Midterm 1
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Rio Solado -N N
Phy 111 Midterm 1 Question
N N N N N N
With Verified Solution
N N
ANstudentNmovesN8.0NmNtoNtheNwest,N6.0NmNtoNtheNnorth,NandN10.0NmNtoNtheNeast.NWhatNisN
theNmagnitudeNofNtheNdisplacement?N-NcorrectNanswer-6.3Nm
ExamineNtheNpositionNvs.NtimeNgraphNbelow.NWhatNisNtheNvelocityNofNtheNobjectNatNtN=N5.0N
s?N-NcorrectNanswer--5Nm/s
ANstudentNmeasuresNtheNmassNofNanNobjectNatN4.68NgNandNtheNvolumeNofNtheNobjectNatN2.3
NmL.NTheNstudentNcalculatesNtheNdensity NasN2.03478Ng/
mL.NANsecondNstudentNdisagreesNwithNtheNdensity.NWhichNofNtheNfollowingNstatementsNwo
uldNexplainNwhyNtheNsecondNstudentNdisagrees?N-NcorrectNanswer-
TheNnumberNofNdecimalsNinNtheNanswerNdoesNnotNshowNproperNprecision.
ExamineNtheNpositionNvs.NtimeNgraphNbelow.NWhichNofNtheNfollowingNcorrectlyNdescribesNt
heNmotionNofNtheNobject?N-NcorrectNanswer-
ForwardsNatNaNconstantNspeedNandNthenNbackwardNatNaNconstantNspeed
ANcarNmovingNatNaNconstantN25Nm/
sNtravelsNforN3.0Nseconds.NWhatNisNtheNdistanceNtraveledNbyNtheNcar?N-NcorrectNanswer-
75Nm
ANstudentNmeasuresNtheNmassNofNanNobjectNatN4.68Ng.NWhichNofNtheNfollowingNstatementsN
isNmostNaccurate?N-NcorrectNanswer-
heNfirstNtwoNdigitsNareNmeasuredNandNtheNlastNdigitNisNestimated.
ANstudentNmodelsNtheNconstantNspeedNmotionNofNanNobjectNwithNtheNfollowingNequation:
, xN=N(4Nm/s)NtN+N(-15Nm)
WhichNofNtheNfollowingNdescriptionsNofNmotionNisNconsistentNwithNthisNequation?N-
NcorrectNanswer-TheNobjectNstartsNatNaNnegativeNpositionNandNtravelsNforwards.
HowNmuchNtimeNwillNitNtakeNforNanNobjectNtravelingNatNaNconstantNspeedNofN20Nm/
sNtoNtravelN15Nm?N-NcorrectNanswer-0.75Ns
ANstudentNmodelsNtheNconstantNspeedNmotionNofNanNobjectNwithNtheNfollowingNequation:
xN=N(-2Nm/s)NtN+N(4Nm)
WhichNofNtheNfollowingNdescriptionsNofNmotionNisNconsistentNwithNthisNequation?N-
NcorrectNanswer-TheNobjectNstartsNatNaNpositiveNpositionNandNtravelsNbackwards.
ExamineNtheNvelocityNvs.NtimeNgraphNbelow.NWhichNofNtheNfollowingNcorrectlyNdescribesNth
eNmotionNofNtheNobject?N-NcorrectNanswer-
ConstantNspeedNforwardsNandNthenNconstantNspeedNbackward
ConvertN35.0NmphNtoNm/s.N(1NmiN=N1.6Nkm)N-NcorrectNanswer-15.6Nm/s
WhichNofNtheNfollowingNisNaNvectorNmeasurement?N-NcorrectNanswer-Displacement
ConvertN4200NcmNtoNmiles.N(1NmiN=N1.6Nkm)N-NcorrectNanswer-0.026Nmi
ANcarNtravelsNforwardsNatNaNconstantNspeedNofN30Nm/
sNforN5.0Nseconds.NHowNfarNwillNtheNcarNmoveNinNthisNtime?N-NcorrectNanswer-150Nm
ExamineNtheNvelocityNvs.NtimeNgraphNbelow.NWhatNisNtheNtotalNdistance?N-
NcorrectNanswer-8Nm
ExamineNtheNvelocityNvs.NtimeNgraphNbelow.NWhatNdirectionNisNtheNobjectNmovingNatNtN=N4.
0Ns?N-NcorrectNanswer-Backwards
ANstudentNwantsNtoNcompareNaNsetNofNmeasurementsNinNorderNtoNanalyzeNtheNprecisionNof
NanNinstrument.NWhichNofNtheNfollowingNmethodsNwouldNbeNmostNappropriate?N-
NcorrectNanswer-
ExamineNtheNpercentNdifferenceNbetweenNtheNlargestNandNsmallestNmeasuredNvalues
HowNmuchNtimeNwillNitNtakeNforNaNcarNtravelingNatNaNvelocityNofN-
4.0Nm/sNtoNtravelNaNdistanceNofN30Nm?N-NcorrectNanswer-7.5Nm
ANjoggerNstartsNatNaNpositionNofN4.0NmNandNmovesNforwardsNatNaNconstantNrateNendingNatNa
NpositionNofN12.0NmNatNaNtimeN4.0NsNlater.NWhatNisNtheNspeedNofNtheNjogger?N-
NcorrectNanswer-2.0Nm/s
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