k k k k k k k k k
a, k
1.kWhichkonekofkthekfollowingkiskankSIkbasekunit?
A)kgram
B)kslug
C)knewton
D)kcentimeter
E)kkilogramk-kANSWER:kE)kkilogram
2.kCompletekthekfollowingkstatement:kToday,kthekstandardkmeterkiskdefinedkinktermskof
A)kthekdistancekfromkthekearth'skequatorktoktheknorthkpole.
B)kthekwavelengthkofklightkemittedkfromkakkryptonkatom.
C)kthekwavelengthkofklightkemittedkfromkaksodiumkatom.
D)kakplatinum-iridiumkbarkkeptkinkFrance.
E)kthekspeedkofklight.k-kANSWER:kE)kthekspeedkofklight.
3.kCompletekthekfollowingkstatement:kToday,kthekstandardkunitkofkmasskiskdefinedkinkte
rmskof
A)kakspecifiedkvolumekofkwaterkatk4k°C.
B)kakstandardkplatinum-iridiumkcylinder.
C)kakspecifiedknumberkofkcesiumkatoms.
D)kakstandardkplatinumkbar.
E)kthekspeedkofklight.k-kANSWER:kB)kakstandardkplatinum-iridiumkcylinder.
4.kCompletekthekfollowingkstatement:kToday,kthekstandardkunitkofktimekiskdefinedkinkter
mskof
A)kthekelectromagnetickwaveskemittedkbykcesiumkatoms.
B)kthekmotionkofkthekmoonkaroundkthekearth.
C)kthekmotionkofkakprecisionkpendulum.
D)kthekaverageksolarkday.
E)kthekspeedkofklight.k-
kANSWER:kA)kthekelectromagnetickwaveskemittedkbykcesiumkatoms.
5.kThekmasskofkakraindropkisk4kmilligrams.kWhichkonekofkthekfollowingkstatementskindic
ateskthekcorrectkmasskofkthekraindropkinkgrams?
A)kThekraindropkhaskakmasskofk4k×k106kgrams.
B)kThekraindropkhaskakmasskofk4k×k10-3kgrams.
C)kThekraindropkhaskakmasskofk4k×k10-1kgrams.
D)kThekraindropkhaskakmasskofk4k×k103kgrams.
E)kThekraindropkhaskakmasskofk4k×k10-6grams.k-
kANSWER:kB)kThekraindropkhaskakmasskofk4k×k10-3kgrams.
6.kWhichkonekofkthekfollowingkisktheklongestklength?
A)k10^0kmeters
,B)k10^2kcentimeters
C)k10^4kmillimeters
D)k10^5kmicrometers
E)k10^7knanometersk-kANSWER:kC)k10^4kmillimeters
7.kInkakdivingkcompetition,kakwomankdiveskfromkakplatformkthatkisktenkmeterskabovekth
eksurfacekofkthekwater.kWhatkiskthekheight,kexpressedkinkfeet,kofkthekplatform?
A)k13kfeet
B)k18kfeet
C)k24kfeet
D)k33kfeet
E)k47kfeetk-kANSWER:kD)k33kfeet
8.kAkcandykshopksellskakpoundkofkchocolatekfork$k10.85.kWhatkiskthekpricekofk1.50kkgkofkc
hocolatekatkthekshop?
A)k$k8.17
B)k$k13.49
C)k$k17.98
D)k$k29.73
E)k$k35.81k-kANSWER:kE)k$k35.81
9.kCompletekthekfollowingkstatement:kThekratiokiskequalkto
A)k102.
B)k103.
C)k106.
D)k10-3.
E)k10-6.k-kANSWER:kE)k10-6.
10.kWhichkonekofkthekfollowingkchoiceskiskequivalentktok8.0km2?
A)k8.0k×k10-4kcm2
B)k8.0k×k102kcm2
C)k8.0k×k10-2kcm2
D)k8.0k×k104kcm2
E)k8.0k×k103kcm2k-kANSWER:kD)k8.0k×k104kcm2
11.kWhichkonekofkthekfollowingkpairskofkunitskmayknotkbekaddedktogether,kevenkafterkth
ekappropriatekunitkconversionskhavekbeenkmade?
A)kgramskandkmilligrams
B)kkilometerskandkkilograms
C)kmileskandkkilometers
D)kslugskandkkilograms
E)kcentimeterskandkyardsk-kANSWER:kB)kkilometerskandkkilograms
12.kWhichkonekofkthekfollowingkchoiceskiskequivalentktok44.5kmm?
A)k4.45k×k101km
B)k4.45k×k10-2km
C)k44.5k×k10-1km
,D)k44.5k×k10-2km
E)k4.45k×k100mk-kANSWER:kB)k4.45k×k10-2km
13.kWhichkonekofkthekfollowingkchoiceskiskequivalentktok152km?
A)k1.52k×k101km
B)k1.52k×k102km
C)k1.52k×k10-1km
D)k1.52k×k10-2km
E)k1.52k×k100mk-kANSWER:kB)k1.52k×k10^2km
14.kInktheksportkofkhorseshoekpitching,ktwokstakeskarek40.0kfeetkapart.kWhatkiskthekdista
ncekinkmeterskbetweenkthektwokstakes?
A)k24.4km
B)k4.80km
C)k18.3km
D)k12.2km
E)k15.7kmk-kANSWER:kD)k12.2km
15.kThekBostonkMarathonkiskthekoldestkannualkfootkrace,kinkwhichkthosekthatkfinishkcom
pletekakdistancekofk26kmiles,k385kyards.kExpresskthiskdistancekinkkilometers.
A)k16.295kkm
B)k16.398kkm
C)k42.186kkm
D)k42.453kkm
E)k56.496kkmk-kANSWER:kC)k42.186kkm
16.kTheksurfacekofkaklakekhaskankareakofk15.5kkm2.kWhatkiskthekareakofktheklakekinkm2?
A)k1.55k×k104km2
B)k1.55k×k105km2
C)k1.55k×k106km2
D)k1.55k×k107km2
E)k1.55k×k108m2k-kANSWER:kD)k1.55k×k10^7km^2
20.kAkcertainkphysicalkquantity,kR,kiskcalculatedkusingkthekformula:kRk=k4a2(bk-
kc)kwhereka,kb,kandkckarekdistances.kWhatkiskthekSIkunitkforkR?
A)kcm
B)kcm2
C)km
D)km2
E)km3k-kANSWER:kE)km3
22.kTheklengthkofkeachksidekofkaksquarekisk4.8km.kWhatkisktheklengthkofkthekdiagonalkofkt
heksquarek(shownkaskakdashedklinekinkthekfigure)?
A)k2.8km
B)k8.0km
C)k5.7km
D)k6.8km
, E)k16kmk-kANSWER:kD)k6.8km
23.kThreekstickskarekarrangedktokformkakrightktriangle.kIfktheklengthskofkthekthreeksticksk
arek0.47km,k0.62kmkandk0.78km,kwhatkarekthekthreekangleskofkthektriangle?
A)k90°,k45°,kandk45°
B)k90°,k62°,kandk28°
C)k90°,k59°,kandk31°
D)k90°,k48°,kandk42°
E)k90°,k53°,kandk37°k-kANSWER:kE)k90°,k53°,kandk37°
24.kAk3.0-
mkladderkleanskagainstkakwallkandkmakeskankanglekwithkthekwallkofk28°kaskshownkinkthek
drawing.kWhatkiskthekheightkhkabovekthekgroundkwherekthekladderkmakeskcontactkwithk
thekwall?
A)k2.6km
B)k2.3km
C)k2.1km
D)k1.9km
E)k1.6kmk-kANSWER:kA)k2.6km
25.kAkpolekiskheldkverticallykbykattachingkwireskatkakheightkofk13.4kmkabovekthekground.k
Thekotherkendkofkeachkwirekiskanchoredkinkthekgroundkatkakdistancekofk9.54kmkfromkthek
basekofkthekpole.kThekpolekmakeskakrightkanglekwithkthekground.kWhatkisktheklengthkofke
achkwire?
A)k14.1km
B)k19.7km
C)k11.5km
D)k16.4km
E)k22.8kmk-kANSWER:kD)k16.4km
26.kAkcertainkmountainkroadkiskinclinedk3.1°kwithkrespectktokthekhorizon.kWhatkiskthekch
angekinkaltitudekofkthekcarkaskakresultkofkitsktravelingk2.90kkmkalongkthekroad?
A)k157km
B)k181km
C)k116km
D)k203km
E)k289kmk-kANSWER:kA)k157km
27.kAksurveyorkwantsktokfindkthekdistancekacrosskakriver.kAkstakekiskplacedkonkeachkbank
kofkthekriverkaskshownkinkthekfigure.kShekmeasureskakdistancekofk30.0kmkfromkonekstakek
tokanotherkonktheksameksidekofkthekriver,kthuskfindingkthekthirdkvertexkonkakrightktriangl
e.kShekthenkmeasureskthekanglekθkandkfindskitkequalktok75.9°.kWhatkiskthekdistancekacro
sskthekriver?
A)k89.2km
B)k15.3km
C)k119km
D)k268km