海南省瓊中縣聯(lián)考2023-2024學(xué)年八年級物理第一學(xué)期期末聯(lián)考試題含解析

2023-2024

1.iW^?^^?^-#$@.

2.￡W-5

3.Wf?ttWSmimMOiUflm,

4.$n?M,Wifc&MM

5.?gftffl,^ffl2B??gsW$#M,M.

1.WWW?WT?4^“4a#?,JO.S<b”WMSffilHlW?()

A.￥Wià,W??jaB.IW.K,SiftM

c.MMT,D.M^Ht,W?W

2.jeia^i+è<js<?êffl^M±,B±M.^?miHi,?asi+?ü^^M^

A.B.

C.?T^±fF,D.?PWRTt?

3.^^w^^^m?ù^iE?i?ù^<)

A.

B.amnêM^w

c.^tè^Zif±

D.

4.suffit,èSMTO()

A.B.T￡WWM^5(TC

D.?T@.

A.B.

c.rm?OTOtfl-?D.W?IRJ#?^

e.wfê&AfflwB?Am,HIWTOK

A.a&jOt?zK￥ffi±,?feW?IO^aiRM

B.ftTWSMBttBêW

c.fê?A,Bf?W?

D.

7.WWOWMM^?/bT37.3’Ca<]^?M?W

37.3-cw<^?^ffi?Wo<

A.Oü-MiSê35°C~45°C

B.w?o?

c.

D.feKzK?t'a-^Wiaj?—o’C

8.MTf?ttWM()

D.i

9.()

A.?W?jB

B.?a^Mffi±?jzki§MT

c.MA.i!i|ff?m(OJ“éK”

D.

io.'bTO+TTffiJVH?3a,()

H.￡???￡?()

A.f?ms&i?t?&z

B.=g^AftM“%W￡”?JSAM&

c.??,

D.WriOJ“ZLlt?ffl-”,

12.()

A.S??a±a<J7fcWTB.RiJtH^?MMWttlM^M

c.to&TO+W&j?&?/bD.??SW??/bT

13.#z$￡±,^?a^W-f?,,^W?iS+,

_____o

14.—4sftm?3m/s,Jg6sf?TOêM5m/s,Jüü'è?10s,“R

10m|$±￡-MT,^?A5m,m,

15.ATOm^O?-._______WifcSWia?,?ia^O^AiWêEffiO

________°c.

Trn|Tiii|iiii|iinrmrriiii|im|tiii|iiii|im|iiiinui|iiii|nnr—

356378940

16.?JJA???___A>?,

è?m^lzWa<]MAm/s,30sfiaSKWAm.

H,

17.(8#)zJ^R^ATW￡Waü&M>WJnW;

(DffiAY^?zKYMWA,WJW

(?“&”j￡)W,

(2)gT^ffTinT^:

?Wt’W-mfflàt?'!’,in?o^JHiiaWgta<jWv=cm-’

mi=37.4g,g/cm-’

18.(8^-)?c^M^icm)iw?

Wè?±W,S^WIO^zb^ià/LB,"W:ft:)

(1)(?“X”K/h”);

(2)<BC=S;VAB=cm/S;VBC=cm/s;

(3)^TW.>?(&?&“&&”)iê^Jo

19.(85?M4>,M&SHI*.“^”W“5fê”iW

M&AA^KzK't’,

(&?“M”“#r0&”).

(2)?^^fê4t??4’>

MHWWiW(?±M“mn“M”)&*

(3)?S?,T￡M?￡5min8?&T.&,(&?“@”“W’“ISIM^4?”),°C,

(ABS)^kh^/H(CBS)TO_____(&?“ft”SJc“?”).

(4)ffi^+fiüH^?zK,?^t+aùzK____MW(&?“^”

“^")?

RA,M?

20.(85?Ol???^Kl^^,

21.(85?/b0^ffl￥M^-?ra7tk^MM[Bj#J￡.WSK±^lH￥ffi^W{èa.

22.(io#)WM

&oftwi-m?mjopq?ios?

(1)^3^W36km/hmW?,'è?jSS?MM^^?

108km/hM^jaW,￡<!>*?

5M?v/km-h’1RjSfltlB]t/s$!)?!]??Ms/m

360.704

1080.9036

23.(12#)￡af?W?M50g,gf?zKBt,?zkf?M*^650g;ffi-JK*^J27g

WzK&üW+,(p?=2.7xio3kg/m3)#

(l)B^atJ^;

(2)A^T4’^mzKKffi*;

(3)aWW*PWM,aBKlOOmL

iWMHfà500mL>52j?a?fimft?(p??=0.8xl03kg/mJ)

->&M

KC

[WJA.m/h”

B.“l(fā)Wb&,&BWê?t;

c.“MMT,

D.“sate,t?Mft?jotftDWa?B.

me.

2,C

[$<]^MTO?ü.

[WM]?BOMMM,W^a?i+lft^Wfà,3S??

me.

[aBfl

3,C

[WM!A.i&A^;

B.M<èW?^￡f?,A?3W,&B^;

C.?^±,￡j&?￡l?±,>üfcCM;

D.X?WtèT?,MD^o

i!fc&c?

4-,D

[WM]m-?a.as^w^?.mm,

>1^,AM^;

Xfê￡￡8(TC,BftTO?;C^O?

^W?isWt1,itTmg,A@^?1?W,DMM,^-ê-?jfe,&?D.

5'B

[MFff]éKM,iOATO,M?W&,

WBO.

6.B

[WM]A.

^TiUa^raazKYffiA,&AM,TO'ê-gB;

B.SWffiWM,W?+,W^B^

c.i^CM,

D.fêM?mbL^,a?lW^,MfèW^mttJRbt^A,l?tDM,

ifti&B.

7>C

[WM]A.Wi+^SéOffl>35~42’C,

B.Wi+lW?>0.1’C,

C.a^m+aù^^37.rc,W￡#B*j37.rc,#ciEfà;

D.&Deti￡o

ttC.

8,B

[WM]A.sf?m-?&AW-ê-sjt;

B.SI?,

c.“WHfW?ftcW￡?fc;

D.

?ftf?Bo

9,C

[WM]A.#X,MSm^￡r?zK?fêft?&fu

B.Ma??ffi±WzK^?T,<zK^?zK^K^M,m^,üèB^;

c.MX??W>?f?cjm

D.ftDféigo

i?fci&c.

l(kD

[WMiA.

B.￡Hif?MaOWF|s).ww?a:

i&i&Do

[^Btl

11,B

[#tfr]?rMW?

[WMiA.èYWM^wfêaRr^,

B.Ji?M&fat?üjê?,&B1EW;

c.mOMOM&*-￡<h^AOb?,%AXft^iWA3^W,OMtTàOb

D.￡?im?WmWWMaBSItWt,i&D^.

^Bo

12.B

(WiA.M?±f??Lo&JSf?t,&Afê;

B.^^]±?<jèK>A^nWW^W,&BlE^;

c.W^b^m^TA,&cfê;

D.wwjmw,i&Dfêo

fèLfaB?

-.

13.??

M??mW?T

14.4.2m/s20

[#^1[1]èv=-nJW,^#?4sl*I?WS:

t

si=vih=3m/sx4s=12m,

W?JB6sftMg:

S2=V2ù=5m/sx6s=30m,

*è?lOsfc?WS:

s=si+?2=12m+30m=42m,

üüJ'è?10sF^aùY^lM:

ramfê^TYWL^WA/bffiR,W-H/b^?&Wiom

±￡"Mf,10m,20m?

15.38.5

[wi?Tt-Ms?-?35°c~42°c,r<,a^imt-iw

38’C^W^H^IJ?^,??38.5°C.

16,/]'&&130

[2]?W>W?20M?KWWW^20A.M/J^M-SA:

.v20m

v=—------=lm/s;

t20s

[3JèfflWfcb'è?30srtaj?m?30m.

=,??

17,&82.440.01.125

[WJ(i)[i]??OAY￥W,

|2MOTA￥W￥M?OJ

(2)?[3]è?Z1^it,feRlWM^o.2g,mtaWt

m-50g+20g+10g+2.4g=82.4g

?[4JèS&?I,S-fflWMA2mL,StWWA

40.0mL=40.0cm3

-m-ni}-82.4g-37.4g=45g

m45g

=1.125g/cm3

40cm’

18,/b12050

ffi,MffiJMS&'b;

(2)[2][3][4]èABBCjèf?mi:

SAB=10.0dm-6.0dmm=4.0dm=40cm,

SBc=6.0dm-1.0dmm=5.0dm=50cm;

flrffiaWK:

/AB=15:35:22-15:35:20=2S,

/BC=15:35:23-I5:35:22=1S;

￡AB40cm

VAB==20cm/s,

^AB2s

'SBC50cm

=50cm/s;

?BC1s

(3)[5]èiu±Wvt-^iu<üb

19>f0ft?80

(WMJ(DIUéS?,m^8o°Co

(3)[3]^^?^5min

[5]W?@<f,TO3min,20’C.?2min,10”C?

(ABM)3Wbtfê4t)é(COM)

(4)[6MW+WzKt?feiija^,{B^W^MzK^^+MzKiaMR,^fW?SW^?ù

0,M?

M(gp&aè),ffWMIf??&TK:

￡,-H-3O2

22,(l)7m;(2)63m

[WM](1MH$I?M

v.-36km/h=—=]Om/s

13.6?10s

5,=V/,=(DQhésZln

108km/h

1fA&Vi$

v,=108km/h=---------—=30m/s

3ü6‘a(chǎn)3

oo

5,=v2/2=0O)KF/?37m

s0=S2+5=27m+36m=63m

36km/hKIM

(2)^nWJ^W108km/h63

23,(l)500cm3;(