f f f f f f f f f f
Whatfisfthefvolumefoffoff50fcm^3foffwater?
a.fTherefisfnofwayfofffiguringfthatfout.
b.f5fmL
c.f50fmL
d.f15,900fmLf-fANSWER:fc.f50fmL
Whichfofftheffollowingfisfbiggest?
a.f1fL
b.f1fm^3
c.f1fquartf-fANSWER:fb.f1fm^3
Doublingfthefradiusfoffafspherefresultsfinfincreasingfitsfvolumefbyfaffactorfoff
a.f2
b.f4
c.f8
d.f8pif-fANSWER:fc.f8
Sincef1967,fthefstandardfdefinitionfforfthefsecondfhasfbeenfbasedfonfwhichfofftheffollo
wing?
a.fcharacteristicffrequencyfoffthefcesium-133fatom
b.faveragefsolarfday
c.fsiderealfday
d.fGreenwichfCivilfTime
e.fnonefoffthefabovef-fANSWER:fa.fcharacteristicffrequencyfoffthefcesium-133fatom
Whatfisfthefmassfoff5.2fLfoffwater?
a.f5.2fg
b.f5.2fkg
c.f5200fkg
d.f5.2fcm^3f-fANSWER:fb.f5.2fkg
Thefstandardfmetricfunitfforfmassfisfthef__________________.
a.fkilogram
b.fgram
c.founce
d.fpoundf-fANSWER:fa.fkilogram
,WhenfSIfunitsfarefpluggedfintofanfequation,fitfisffoundfthatfthefunitsfbalance.fWhichfofft
heffollowingfcanfwefexpectftofbeftruefforfthisfequation?
a.fThefequationfwillfbefdimensionallyfcorrect.
b.fThefequationfwillfbefdimensionallyfcorrectfexceptfsometimesfinfcasesfwhenfthefrightf
handfsidefoffthefequationfhasfmorefthanfonefterm.f
c.fThefequationfwillfnotfbefdimensionallyfcorrect.
d.fAllfconstantsfoffproportionalityfwillfbefcorrect.f-
fANSWER:fa.fThefequationfwillfbefdimensionallyfcorrect.
____________________fcanfbefrepresentedfbyfafnumberfandfunits.fThefunitsfarefalway
sfafdistancefunitfsquared.
a.fmass
b.farea
c.fvolume
d.fspeedf-fANSWER:fb.farea
Howfmanyfsignificantffiguresfdoesfthefnumberf1700fhave?
a.f1
b.f2
c.f3
d.f4
e.fOnefcannotftellfwithfcertaintyfwhenfthefnumberfisfwrittenfinfthefgivenfform,fbutfitfwillf
befonefoffthefotherfgivenfanswers.f-
fANSWER:fe.fOnefcannotftellfwithfcertaintyfwhenfthefnumberfisfwrittenfinfthefgivenfform
,fbutfitfwillfbefonefoffthefotherfgivenfanswers.
Thefnumberf0.00017fhasfhowfmanyfsignificantffigures?
a.f2
b.f3
c.f5
d.f6
e.f7f-fANSWER:fa.f2
Theflengthfandfwidthfoffafstandardfsheetfoffpaperfisfmeasures,fandfthenfthefareafisffoun
dfbyfcalculationftofbef91.50fin^2.fThefnumberfoffsignificantffiguresfinfthefwidthfmeasure
mentfmustfbefatfleastf:
a.f1
b.f2
c.f3
d.f4
e.f5f-fANSWER:fd.f4
, Howfmanyfmetersfarefinfafkilometer?
a.f100
b.f1000
c.f1/100
d.f1/1000f-fANSWER:fb.f1000
Whatfisfthefmassfoff75fcm^3foffwater?
a.fTherefisfnofwayfofffiguringfthatfout.
b.f7.5fg
c.f75fg
d.f3.875flbf-fANSWER:fc.f75fg
Aftrainfslowlyfclimbsfaf450-
mfmountainftrackfwhichfisfatfanfanglefoff10.0fdegreesfwithfrespectftofthefhorizontal.fHo
wfmuchfaltitudefdoesfitfgain?
a.f78.1fm
b.f225.0fm
c.f83.1fm
d.f443.2fm
e.f450fmf-fANSWER:fa.f78.1fm
Areasfhavefdimensionsf__________fwhilefvolumesfhavefdimensionsf__________.
a.finches,fsquarefinches
b.fL^2,fL^3
c.fbothfafandfbfarefcorrect
d.fnonefoffthefabovef-fANSWER:fb.fL^2,fL^3
Howfmanyfcentimetersfarefinfafmeter?
a.f10
b.f100
c.f1/10
d.f1000f-fANSWER:fb.f100
Infmechanics,fphysicistsfusefthreefbasicfquantitiesftofderivefadditionalfquantities.fMassf
isfonefoffthefthreefquantities.fWhatfarefthefotherftwo?
a.flengthfandfforce
b.fpowerfandfforce
c.flengthfandftime
d.fforcefandftimef-fANSWER:fc.flengthfandftime