西藏西藏达孜县2023-2024学年物理八年级第一学期期末经典模拟试题含解析

2023-2024

MW:

2.owm,jwwg®^±m@si$^^&£uw«,fflfêtfmwjs,s

3.

-.&#®(«®1.5#,£30®,45#)

1.fflft&^¥æiHi-»l(l&Ki,T?Ü»+>£SW*

A.ffi-feÈP^Æfta^Y±W*

B.5te»ïtH-fti6U>ïn-^â<J^M>.W«Wi

C.O'JtH200&ÈIJ1L&M,SW200

D.«zooftiommn-ttÈP>BJtB20ifeù^&ùMi,WüiŒM®

2.()

A.mB.«C.-^EfelÉD.

3.()

flâââKâWff^®;®M^,«W/b^S±®^;

(3)^,©«,#M?ÈW±JW

A.®®B.(2)@C.®(3)D.(3)@

4.jmw&>()

A.mr,wxiMBWMffi,^»»,iâs^«#iâùRMga>

B.î^Æ&IWWt,

c..éêSifitfif,MME»™,

D.ÆMM,

5./bBJm^îlMttÊfé,m#£lEfàâ<J>

6.

A.5m/sB.Wl&A&Ü^S^o.2kg

C.90’CD.500kg

7./WSfêMB“f®B",ik&ffJ^iW^WlISBih

«F^)>

8.OTüW“*®'K®WrMWfôi()

A.MMB.MWc.jfckWD.TffiW

9.M&^jETOM()

B.M^,w.ww-fêtt»

10.^Wâa^JUMSlRj^is^j.MT^îë

A.âaâ^iRi^îssü,J3—?IJ$$!S:<J53Ü

B.gBÉIÜ^'&W®^,JÉJ—

c.

D.îOdWfàB®^,<03-»M®W8

il.Æ»*,T^!j«iElïtôü>()

A.

B.

c.OWÆMtëW,

D.

12.WfjWlWiEm

A.ÆMS43»MÊWt&M*3X108m/s

B.owm

C.E£M“B^”W«,

D.^MHlWiWW,

ft-wm»$«?,IHMEBI<)

A.

B.

c.

D.

14.ÿiffl^r^M^^a^IMS^^T^^/hîL^lMS-gCâû

15.()

A.5gB.50gC.500gD.50kg

16.^OLT^m+raâÙM()

A.wiWÆ&iWfc,

B

B.Kitfwob»#,BBW»,

B

c.iOïiWÆ&Mft.SBW»,

D.iémwiobiwft,iwi,

17.T»i£O&fôë

A.s^±fflâü“B®”,

c.

D.£«iW±,

18.fêMÉïÊWMfôzk&iO

^WIMS<

A.MHîTAMaS,in&T2K*ffilW£^æj«

B.iiwTA^a,fêATztmm^

c.WTzk^WIWa^fô»,

D.mTA&ùM,intëTzK^ffilWS£^W«

19.miMM&WWWfêJtë,()

A.B.

c.D.^WWOS^RIW

20.T^JW^jEfàM()

msamH

EPZ,P*ÔT

A.RAZx$j<W0R,B.Zx.ww#fô>m

c.phTww^mw^[s]D.z..mwtàSffiiBi

21.^AfàWÊÆlm,MAMM^()

A.3mB.4mC.5mD.6m

22.«infë/WAWwawiftffSMgjÆ^()

A.1dmB.1mmC.1pmD.1cm

23.^^ASO-CIUAW^ZK^,

fe;A^7K+^t±JBW,a-^JLBM^X^To()

A.B.ftftïtjHMÆc.

D.

24.()

A.B.AIWS

c.Mi-D.W^B,

25.

A.l.OxlO’kg/m3

B.4’^ÈTO»1.5m

c.5kg

D.AW1EWïSA38’C

26.()

A.-O^ÔÙiO£ÜA6mB.j£AlETO^fîM^A10m/s

C.0.6kgD.+

27.-^azK^Wffi**320g,^-^^MA0.8X103kg/m3WM^^M280g,

A.JKTÉKjMlMHOgB.280cm3

C.120gD.mm^*M200g

28.(

A.^^T'â'Wâtl^^B.tlTOW

c.D.

29.()

A.>üî1.68mB.500kgC.W37’CD.lm/s

30.$nS0f^,

-,«10®,205»

31.JCiEÆ^âtJWSAA^,éowras(ÿiffli),$nffl2Oc,ffiiE

te_____(&«“ÉÊ”

fô”)

^2

32.dite,m,

A”.“$'b”B£).

33.Suffit,OMR«l*4&£fô-fc»,(ifcW‘A”iTB”)

___________cm«

A

34.#.<.<o

35.2017^5)35B,^Hg±W^RW«AWC9i9ïE±W^B^MW^ïù.WÆMA^TA^

3000m50s,JOfflÆWSfë^ÔÙTOM^Am/s.jg^,

(&«“#±”s£“iê^j”)tfJ.

36.oaiowîÆ._______

37.,^R^«±-®/bzk«,MBSWASÎ

j&wwfê&i&Êifëtefê,TOZKWÏÈB,ÈÆW,_____/mwjœ.

38.±w,/b^R^Æ«aMi.5m^W«,tlJKi^>fÀ”i«ia?l_>,«ifeA

fôl&EM___m.

39.^fflg±œWA§MC9i9B^WH^ÆS^W«fî,-s920km/h,

_;2944km,^fflC919$O,hiÈSIo

40.&“TOiftW,WA±A”S’&ù“S”

“nfôÆA”“#TW“>&W’).

=,(«^1^,%2&,15#)

41.

WÆ_____Æülômim.iHsœœ^aS^:

MWW4OÉJWltë^W:

WϕO,fflMm

»O»T._____g;

ra®/bmaœm»w

MfèæmâWP5M*&>jkg»

H^âù^oFOÉWWOEMFWONMSâtoN

-M^MM,it-^mAOJOJ¥MM±.0^T^R®:

d)a®^4>,^mœ^Fffi,.

“^”>“^”s£“zhT”)

(^âÀltotâWïÈ^AW,o

FFL.T+M^(4OS10#,^2®,20#)

43.ÈfflsR:

(l)ÿj>/h^W^^Ajlt^aîà0JzkiàarafflT30min,

(2Æiâ^saMWJæjW,i+^o^ÆWJWMV&zwtfsj?

->(*O§1.5#,^30®,45#)

KC

[ftWlA>-milWm

B>ÆOfîitt.w®t.

c.-WMæjMSfiMsMæj*£3féùPMâ<JM,^fiU^200^|H]^fip^^fi,

^^^200,^Hi-ttÈPM^SoMl.

D.Æ«IIHi200^ÈP^ô<J^a:^20itfcÈP^M^Sffi^^>

2>B

[##rl«&ÙM1ÊWM.W>W.m.»>W,^1É>

«Ê^œ^fêl^JfflT*>AWÈ«ltt(lüfcBjEfô.

ife&Bo

[£»]

Ém'WmTOH£gli,

3,C

»&>;^tHM;fôfii&C.

4»A

CW1A.m~RWOW,fàft»»,ftAIE»^.

B.n«$iww,mmm^B

c.mammwmm^c^.

D.WÆfêW,^TO^#Mêa»,fi

ie¥^iWjE^<êa^MM,EWMÎD^.

5.C

[#M1AS+H^JfiRâùoM^^iattTW^»

Bstaw^ôfjoMmHQTTO,o=MM»wm&B

fêig;

C5.00cmacm

Dffl^^RWoM^W-^ISIMÆm^,mRâü^J^MSÆMMS,a

i&Co

6'B

[OUAiE^TM»^l.lm/s,

B.^SWâû^*^o.2kg,

c.A&m&zkMlWWmi»^£]A40’CÆ£,&CW^»W;

D.W£WM*A£]*50kg,

ttftB.

7>A

±,fiÆ^ffiM^M,^flUfitt^^MBPïïM;OA.

8,A

[WJA.i&AlEfà;

B.OftlWtfüMW-Oæ/hfrMBt,«IBOÎ

D.TMfiiEAL^&Dfêi£o

SfcfëAo

9,B

[#«?]A./bTOWWimjHWfeW.i&A^:

B.W&*,Æriuw»»i&Bim

c.JtcOî

D.4^,TOCT,zK^^ifi^M^zK,M»&Dfé«.

10,D

[WiA.aai^mt$ga^$sttfim&A

Rrt^s

B.êaw^wis^j,swêB^j^o^ra,^B^;

c.wo^ra,fiêa$wm^oêaBJWtem&cw-,

D.m?ij«ièj®£3bMawœ?»Î&D&W

w.

11,D

[WJA.YiS«fi<lW«,aAfêi£;

B.WfaOWmi^B^;

c.ftceîfc;

D.ÎÜfcDîE»^M»

iKci^D»

LABf]

M«AW'»»o“lEït,^,^JE,M”.

12,B

(W1A.ttA^;

B.BP»^W^/b,iÜfcBîEfô;

c.Mjfr&tÊfë&BB,i&c£H£;

D.i^D^.

13,B

miwiüèA^;

&BiEifê,Dfé^o

W&B»

14,c

[WMlbmfl&mi&W»

A.«OiftON

B.«MftWSlt,

c.æTOO«ftWWWÊE&SWr»;

D.

15,B

[#tffl^®#M*TOlJ!!l.

[WM1+«>£tfj500g,-^§W^*^«*50go

16,B

H

[WM]KltfWObÔWïW,00«W®Æa^^WÔÙmriH®S^,ÿf^lÊ^ÀSS,â»

om

ife&Bo

17,B

[WM]A."Bjg”,&Aféig;

B.1666^W*ÆMH^W»ÔÙfett,^BM;

c.zbîL^-ÆOJïtW»,t&WnT^Æ^^ÀW,ftCféiM;

D.^fWârWJij^iH-±,

<EWW,in-TSOlfe,Î^D^O

18,A

[WM]Xtëin»WM^W«,

19,B

[WM]A.

B.fHrM;

ifti&Bo

20,B

[WA.WimSR;&AjmW-ê-

ISA;

B.^Wls],i^B«^,

c.WWR.&cim

D.«^R,&DIEfà,«'ê-SB»

21.B

[WW]AifiÆfmîmft,t?lW«tffiftl3m,^AlW^fil*,mOBm

3m-lm=2m

jWW®»Wm,

2ni+2in=4in

t&iâB»

22.D

[WW]+^È<»M£icm£;&,Amsmœtfêm^,ÆicmÆ^,&DjEfào

OD.

[«]

23.B

tww]âffiWAAWJKôùm^^Aso-c^iw^A+Bt,«m,

^âfcë;WM/b,

OBo

[«]

24.D

LWW1A.WffiAEW.^ATO^g^;

B.S8MW.APWS,^BW^®;

c.^^^^ôùA^iâWMÈü/JvK^,&CTOW»;

D.>w±m«MA7K^,

25.A

[WW!^WMlWOW^AmK,0.8m,50kg,Aâù

jEWi&A37’C,Î&AOL

26.D

A.3m,fflA^Wfô;

B.1.2m/s,JüljB

c.-^§&mt£50g£;&,BP0.05kg,IQIJCJffiW;

D.«^gfô+mWmëTOJSOs,WJD^^o

rft&Do

27,C

[WJÈ®&,-^WêWSiimi=320g,^-^WSMJs^*^m2=280g,»

W£W*jV,â«W^=0.8x10’^/m^Mglcm*.!Ü!j<:

3

m}=+p^V,S032Og=^+1g/cwxV------------®;m2=+p^V,BP

280g=/^+0.8gWxV----------@.n^=120g,V=20(W;BPzKMWiW^»

32

200cm;JOWÔÙM>:='«2~m^=W-120g=160g.ABDfgHg,CM;

tfo&C.

28,A

[M]M=BCDféiM.

A.

29,B

[#«?]A.1.68m,^AW'ê-gÜ;

B.50kg,

c.4’^±^ia^37'C,ttcW-ê-SB;

D.lm/s,ttD^-â-SiÈo

ift&B»

30,D

tg,&&D.

-,£10®,205»

31,»

r#W)fiJE'ÈOJzKMJé,

OrftlHiM+æjS^,«W^WOr^'b;

fft,ÎEiêOJO^fôM,EÈlfcnJWl,

32.«$<h$±$<h

[WJ[i||2H3]^»fniSffi,BPWHÆWM^;rSSlèjBHWÜjg^,

=Wv^b/s,

[4m«ÆiTWM^«WM£Sfô4>,BPiew«RW$,«p=

nT&,»J£M^fôO^b«

33.A5.30

IW)niMKRiWtf,WW11,«»&«âü>A;

[2]ÉM&:«fl±IcmZl'ëJWlO'Hbfë,0.1cm=lmm,BPMSRÔÜMfi^1mm;

0.00cmOlJ-^5.30cmWMPÜ-KÆ^5.30cm»

34.O'M*S

rWMl

[3]#ra&£T^*lMfôWg«.

35.60iè^Ü

TO_trtWBpp]W.

a«.®w,-Mawawsê:s=3ooom,iw>:t=sos,w,

v=£=3000m=60m/s;ÉïW^W^47Ofi!l^.

t50s

36.ïïfl

rwi[ipjioœ^H»«&»#,

ftffl,^flUôrW^jE®»,BP^TÊBgo

37.

[3]W««R®itf,

WWtôfô»

38.JÉ3

1.5m,X^HS^SO1.5m,^f!UM/bMÔ9J®^1.5m+1.5m=3m»

39.A^M1/bHHfïKlOi920km3.2

[WJ[UA^MC919MWMM920km/h,