b b b b b b b b b
a, b
Whatbisbthebvolumebofbofb50bcm^3bofbwater?
a.bTherebisbnobwaybofbfiguringbthatbout.
b.b5bmL
c.b50bmL
d.b15,900bmLb-bANSWER:bc.b50bmL
Whichbofbthebfollowingbisbbiggest?
a.b1bL
b.b1bm^3
c.b1bquartb-bANSWER:bb.b1bm^3
Doublingbthebradiusbofbabspherebresultsbinbincreasingbitsbvolumebbybabfactorbofb
a.b2
b.b4
c.b8
d.b8pib-bANSWER:bc.b8
Sinceb1967,bthebstandardbdefinitionbforbthebsecondbhasbbeenbbasedbonbwhichbofbthebfol
lowing?
a.bcharacteristicbfrequencybofbthebcesium-133batom
b.baveragebsolarbday
c.bsiderealbday
d.bGreenwichbCivilbTime
e.bnonebofbthebaboveb-bANSWER:ba.bcharacteristicbfrequencybofbthebcesium-133batom
Whatbisbthebmassbofb5.2bLbofbwater?
a.b5.2bg
b.b5.2bkg
c.b5200bkg
d.b5.2bcm^3b-bANSWER:bb.b5.2bkg
Thebstandardbmetricbunitbforbmassbisbtheb__________________.
a.bkilogram
b.bgram
c.bounce
d.bpoundb-bANSWER:ba.bkilogram
,WhenbSIbunitsbarebpluggedbintobanbequation,bitbisbfoundbthatbthebunitsbbalance.bWhichb
ofbthebfollowingbcanbwebexpectbtobbebtruebforbthisbequation?
a.bThebequationbwillbbebdimensionallybcorrect.
b.bThebequationbwillbbebdimensionallybcorrectbexceptbsometimesbinbcasesbwhenbthebrig
htbhandbsidebofbthebequationbhasbmorebthanbonebterm.b
c.bThebequationbwillbnotbbebdimensionallybcorrect.
d.bAllbconstantsbofbproportionalitybwillbbebcorrect.b-
bANSWER:ba.bThebequationbwillbbebdimensionallybcorrect.
____________________bcanbbebrepresentedbbybabnumberbandbunits.bThebunitsbarebal
waysbabdistancebunitbsquared.
a.bmass
b.barea
c.bvolume
d.bspeedb-bANSWER:bb.barea
Howbmanybsignificantbfiguresbdoesbthebnumberb1700bhave?
a.b1
b.b2
c.b3
d.b4
e.bOnebcannotbtellbwithbcertaintybwhenbthebnumberbisbwrittenbinbthebgivenbform,bbutbit
bwillbbebonebofbthebotherbgivenbanswers.b-
bANSWER:be.bOnebcannotbtellbwithbcertaintybwhenbthebnumberbisbwrittenbinbthebgivenbf
orm,bbutbitbwillbbebonebofbthebotherbgivenbanswers.
Thebnumberb0.00017bhasbhowbmanybsignificantbfigures?
a.b2
b.b3
c.b5
d.b6
e.b7b-bANSWER:ba.b2
Theblengthbandbwidthbofbabstandardbsheetbofbpaperbisbmeasures,bandbthenbthebareabisbf
oundbbybcalculationbtobbeb91.50bin^2.bThebnumberbofbsignificantbfiguresbinbthebwidthb
measurementbmustbbebatbleastb:
a.b1
b.b2
c.b3
d.b4
e.b5b-bANSWER:bd.b4
, Howbmanybmetersbarebinbabkilometer?
a.b100
b.b1000
c.b1/100
d.b1/1000b-bANSWER:bb.b1000
Whatbisbthebmassbofb75bcm^3bofbwater?
a.bTherebisbnobwaybofbfiguringbthatbout.
b.b7.5bg
c.b75bg
d.b3.875blbb-bANSWER:bc.b75bg
Abtrainbslowlybclimbsbab450-
mbmountainbtrackbwhichbisbatbanbanglebofb10.0bdegreesbwithbrespectbtobthebhorizontal.b
Howbmuchbaltitudebdoesbitbgain?
a.b78.1bm
b.b225.0bm
c.b83.1bm
d.b443.2bm
e.b450bmb-bANSWER:ba.b78.1bm
Areasbhavebdimensionsb__________bwhilebvolumesbhavebdimensionsb__________.
a.binches,bsquarebinches
b.bL^2,bL^3
c.bbothbabandbbbarebcorrect
d.bnonebofbthebaboveb-bANSWER:bb.bL^2,bL^3
Howbmanybcentimetersbarebinbabmeter?
a.b10
b.b100
c.b1/10
d.b1000b-bANSWER:bb.b100
Inbmechanics,bphysicistsbusebthreebbasicbquantitiesbtobderivebadditionalbquantities.bMa
ssbisbonebofbthebthreebquantities.bWhatbarebthebotherbtwo?
a.blengthbandbforce
b.bpowerbandbforce
c.blengthbandbtime
d.bforcebandbtimeb-bANSWER:bc.blengthbandbtime