s s s s s s s s s
, s
1.sWhichsonesofsthesfollowingsissansSIsbasesunit?
A)sgram
B)sslug
C)snewton
D)scentimeter
E)skilograms-sANSWER:sE)skilogram
2.sCompletesthesfollowingsstatement:sToday,sthesstandardsmetersissdefinedsinstermssof
A)sthesdistancesfromsthesearth'ssequatorstosthesnorthspole.
B)stheswavelengthsofslightsemittedsfromsaskryptonsatom.
C)stheswavelengthsofslightsemittedsfromsassodiumsatom.
D)sasplatinum-iridiumsbarskeptsinsFrance.
E)sthesspeedsofslight.s-sANSWER:sE)sthesspeedsofslight.
3.sCompletesthesfollowingsstatement:sToday,sthesstandardsunitsofsmasssissdefinedsinster
mssof
A)sasspecifiedsvolumesofswatersats4s°C.
B)sasstandardsplatinum-iridiumscylinder.
C)sasspecifiedsnumbersofscesiumsatoms.
D)sasstandardsplatinumsbar.
E)sthesspeedsofslight.s-sANSWER:sB)sasstandardsplatinum-iridiumscylinder.
4.sCompletesthesfollowingsstatement:sToday,sthesstandardsunitsofstimesissdefinedsinster
mssof
A)stheselectromagneticswavessemittedsbyscesiumsatoms.
B)sthesmotionsofsthesmoonsaroundsthesearth.
C)sthesmotionsofsasprecisionspendulum.
D)sthesaveragessolarsday.
E)sthesspeedsofslight.s-
sANSWER:sA)stheselectromagneticswavessemittedsbyscesiumsatoms.
5.sThesmasssofsasraindropsiss4smilligrams.sWhichsonesofsthesfollowingsstatementssindicat
essthescorrectsmasssofsthesraindropsinsgrams?
A)sThesraindropshassasmasssofs4s×s106sgrams.
B)sThesraindropshassasmasssofs4s×s10-3sgrams.
C)sThesraindropshassasmasssofs4s×s10-1sgrams.
D)sThesraindropshassasmasssofs4s×s103sgrams.
E)sThesraindropshassasmasssofs4s×s10-6grams.s-
sANSWER:sB)sThesraindropshassasmasssofs4s×s10-3sgrams.
6.sWhichsonesofsthesfollowingsisstheslongestslength?
A)s10^0smeters
,B)s10^2scentimeters
C)s10^4smillimeters
D)s10^5smicrometers
E)s10^7snanometerss-sANSWER:sC)s10^4smillimeters
7.sInsasdivingscompetition,saswomansdivessfromsasplatformsthatsisstensmeterssabovesthes
surfacesofstheswater.sWhatsissthesheight,sexpressedsinsfeet,sofsthesplatform?
A)s13sfeet
B)s18sfeet
C)s24sfeet
D)s33sfeet
E)s47sfeets-sANSWER:sD)s33sfeet
8.sAscandysshopssellssaspoundsofschocolatesfors$s10.85.sWhatsissthespricesofs1.50skgsofsch
ocolatesatsthesshop?
A)s$s8.17
B)s$s13.49
C)s$s17.98
D)s$s29.73
E)s$s35.81s-sANSWER:sE)s$s35.81
9.sCompletesthesfollowingsstatement:sThesratiosissequalsto
A)s102.
B)s103.
C)s106.
D)s10-3.
E)s10-6.s-sANSWER:sE)s10-6.
10.sWhichsonesofsthesfollowingschoicessissequivalentstos8.0sm2?
A)s8.0s×s10-4scm2
B)s8.0s×s102scm2
C)s8.0s×s10-2scm2
D)s8.0s×s104scm2
E)s8.0s×s103scm2s-sANSWER:sD)s8.0s×s104scm2
11.sWhichsonesofsthesfollowingspairssofsunitssmaysnotsbesaddedstogether,sevensaftersthe
sappropriatesunitsconversionsshavesbeensmade?
A)sgramssandsmilligrams
B)skilometerssandskilograms
C)smilessandskilometers
D)sslugssandskilograms
E)scentimeterssandsyardss-sANSWER:sB)skilometerssandskilograms
12.sWhichsonesofsthesfollowingschoicessissequivalentstos44.5smm?
A)s4.45s×s101sm
B)s4.45s×s10-2sm
C)s44.5s×s10-1sm
,D)s44.5s×s10-2sm
E)s4.45s×s100ms-sANSWER:sB)s4.45s×s10-2sm
13.sWhichsonesofsthesfollowingschoicessissequivalentstos152sm?
A)s1.52s×s101sm
B)s1.52s×s102sm
C)s1.52s×s10-1sm
D)s1.52s×s10-2sm
E)s1.52s×s100ms-sANSWER:sB)s1.52s×s10^2sm
14.sInsthessportsofshorseshoespitching,stwosstakessares40.0sfeetsapart.sWhatsissthesdista
ncesinsmeterssbetweensthestwosstakes?
A)s24.4sm
B)s4.80sm
C)s18.3sm
D)s12.2sm
E)s15.7sms-sANSWER:sD)s12.2sm
15.sThesBostonsMarathonsissthesoldestsannualsfootsrace,sinswhichsthosesthatsfinishscom
pletesasdistancesofs26smiles,s385syards.sExpresssthissdistancesinskilometers.
A)s16.295skm
B)s16.398skm
C)s42.186skm
D)s42.453skm
E)s56.496skms-sANSWER:sC)s42.186skm
16.sThessurfacesofsaslakeshassansareasofs15.5skm2.sWhatsissthesareasofstheslakesinsm2?
A)s1.55s×s104sm2
B)s1.55s×s105sm2
C)s1.55s×s106sm2
D)s1.55s×s107sm2
E)s1.55s×s108m2s-sANSWER:sD)s1.55s×s10^7sm^2
20.sAscertainsphysicalsquantity,sR,sisscalculatedsusingsthesformula:sRs=s4a2(bs-
sc)swheresa,sb,sandscsaresdistances.sWhatsissthesSIsunitsforsR?
A)scm
B)scm2
C)sm
D)sm2
E)sm3s-sANSWER:sE)sm3
22.sTheslengthsofseachssidesofsassquaresiss4.8sm.sWhatsisstheslengthsofsthesdiagonalsofsth
essquares(shownsassasdashedslinesinsthesfigure)?
A)s2.8sm
B)s8.0sm
C)s5.7sm
D)s6.8sm
, E)s16sms-sANSWER:sD)s6.8sm
23.sThreesstickssaresarrangedstosformsasrightstriangle.sIfstheslengthssofsthesthreesstickssar
es0.47sm,s0.62smsands0.78sm,swhatsaresthesthreesanglessofsthestriangle?
A)s90°,s45°,sands45°
B)s90°,s62°,sands28°
C)s90°,s59°,sands31°
D)s90°,s48°,sands42°
E)s90°,s53°,sands37°s-sANSWER:sE)s90°,s53°,sands37°
24.sAs3.0-
msladdersleanssagainstsaswallsandsmakessansangleswithstheswallsofs28°sassshownsinsthesdr
awing.sWhatsissthesheightshsabovesthesgroundswheresthesladdersmakesscontactswithsthe
swall?
A)s2.6sm
B)s2.3sm
C)s2.1sm
D)s1.9sm
E)s1.6sms-sANSWER:sA)s2.6sm
25.sAspolesissheldsverticallysbysattachingswiressatsasheightsofs13.4smsabovesthesground.sT
hesothersendsofseachswiresissanchoredsinsthesgroundsatsasdistancesofs9.54smsfromsthesba
sesofsthespole.sThespolesmakessasrightsangleswithsthesground.sWhatsisstheslengthsofseachs
wire?
A)s14.1sm
B)s19.7sm
C)s11.5sm
D)s16.4sm
E)s22.8sms-sANSWER:sD)s16.4sm
26.sAscertainsmountainsroadsissinclineds3.1°swithsrespectstostheshorizon.sWhatsissthescha
ngesinsaltitudesofsthescarsassasresultsofsitsstravelings2.90skmsalongsthesroad?
A)s157sm
B)s181sm
C)s116sm
D)s203sm
E)s289sms-sANSWER:sA)s157sm
27.sAssurveyorswantsstosfindsthesdistancesacrosssasriver.sAsstakesissplacedsonseachsbanks
ofsthesriversassshownsinsthesfigure.sShesmeasuressasdistancesofs30.0smsfromsonesstakesto
sanothersonsthessamessidesofsthesriver,sthussfindingsthesthirdsvertexsonsasrightstriangle.sS
hesthensmeasuressthesanglesθsandsfindssitsequalstos75.9°.sWhatsissthesdistancesacrosssth
esriver?
A)s89.2sm
B)s15.3sm
C)s119sm
D)s268sm