河南省南阳市唐河县2017-2018学年八年级物理下学期期中试题(pdf) 新人教版.pdf
.m.$!81111:i-S-i.DD.m:iF:2018 *Jtll JtlJ:p;_ )!;J.5Jl to/.1 fl li J1.fil 1.*-4?)-it:J!.4$:J!f?.J!.4 6 Yi,.E.*-J!,28 hi!,?100?,atfaJ 90?#.2.iA.M4J:.:l-$:.1!.,itJfl 0.5.;fl.!.1i.4i-J;j,(f.$:J!-t J:.$,(f.4 J:.$*-.3.$:J!,1.-*A.*1.t,*-tJ;j,($:;I!.f -tiJ i;t-ti.I.J:.-,iAlffi(*Im 10,j,Jm,3!1*20:51)L JJj_t?BJ 1fjJBJiil:117:kffi3!BJrt:t.Jffi.1ttfl5Lr:kff 19fi#ii&ll BJ:ttt:J.mw _ 2,m-ttffltt-.-trlli,-19fifflM lliC001),-A1f oo-Mt3!i:pfi j BJ*jJfiffl.-3,mi:rMllatBJ:JJR.ftA!l$,;tt:tr-mm:iMil.Kifl.Ml 7.K.7.KtE lfJfFffirM!-1.*BJ;ffiMl:lffiifl.Ml:Jffi,9!iJEEf3!Mti!:k,ff-BJ-:lffiMlllilfJ.4,ftBJ-tEtt-1-ttfttffft-,ttff-lfJttw.ttfffficoo2).M-mtE-1.lfJ ttMABBJn.-19fi-lfJttfflfJ _ _tR;BJ.5,00 3/ifiii:,rit71!.!rffiflfJf-iF7.K1f-:p.x;U%&)K,J9l-.MM-fflBJM _ _ 6,2011 5 JI 18 B,00:twJ#J;p!i7if 1200*lfJ1*7ifr,p_x;:gJ)J*T PJ 1f&llJ(,.*J.j mrf 11 lfJ tt i:r iJ 7if 7.K BJ ff ii A:k 1J,El),T 1200;f:1*tBtBJWrfUlJ-lkIBli _ Pa(:tr lf)6 7,004/ifiii:,J,ffi 15NBJJJWwJ9lt2ooglJlfWt3!i:p,9!1J*fJtJBJ1*)J_N Cg I&ION/kg).iJ#lfi:pfflJA;ffJJ(,lfJljlf.1$J ffi 11 rn:I!._ _=,ma11:(*M 10,J,Ji,11-18,J,Jif-:tiE;19-20,N1f1tiE iiffl.;QliM-1-1*,-1-ffl*,J,Ji 3*,30*)11,*r$.rJui#51iiElJ.A.1t:k1J$U$JWr*:l!itll:kffltt:k B.fi-1J*$a1ArtJ$MffltthlJ c.:tx.itttrr:l!rrfflttte:W1J1c!1tmn1a D.$-d1Jffltt 12,:3e!;!Jtjztff!;!f!.ttrmtta-t-ari1U1-lf*!1tff!1Jrr$tt*:m-lfl(%*1Jm.m*a-t,lf*m1JM A.flfJsr;,J(-F B.lilftrI!C.:m JAJ J$l:fj D.11,)F flflifH 5:*111J rt 13,:it=f JJ lll iEi9J,r JU IE iifu 1J:I!A.#hffl.-B.KffiLlJW1*mlJhBMffilJffijJ-Mfflffln r c.-tt,fil-MZlJhrZMlJh D.IFJJj(f;IJ!Ji!UJ lt-t,-ft!x12J6 lJ jJ iJ6x1-ft!lJ jJ;J!-x1 lf ffi jJ B.ffii!l C.fflfll(D.ft-1Jft1*l!l 9 1s,rJu1*A.fl:7.K f.li:C.;4itffi7df I 16,jm!J 10 m M*ffiilJffih Fa,Fb,ffi5!Pb,Y A.Fa=Fb C.Fa=Fb p 11,jm!J 11 m7.i 5 Po.ti1fii 5!P!fl P z.!i!U A.p lfl=p z.=J:,c.p lfJp z.p 1s,:tmoo 12 Wfjj tJJJfi-t,WI 1JlJ7F,HJrJ A.5N ON C.5N SN 19,(:x;Qliffjtl3 A.If!B.fl-J,i c.Ufl:JE o.m1rm 20,(x,);,j(;ffi IA llJFJi-t,)ij Jl +tj:l 1J;,j(mi A.1-:Yelffl B.a 1*Jf J 1.C.a 1-*r-!Hf D.a 1*tti.Ji!Ut:r:1:EW3#iKM j.,:#txBJW(1:Wf*aJ n n fl:.*:f rJUtfitrtiJti:.0 41i,J,IJI1 iE(fi-$tt:;ic.-*tJ.!httSt r Ill 8 Efl:fflJJ t ffl JR BJ tsr:1J p:jjjJ -a D.frBJ.SC7*1s,rtu4m1*liun nfl:m BJR:.A.1:E1.ki:pBJ1MI.,-.,-;!,;.:,-!B.1:Eliffia;t)I C.ffiiUJBJi8:i!.D.AfiiJBJt)f:fl 16,:tmOO 10 Plr,-rtiJJ(aJJMM,.IE$1:EJJ(SJZ.ffii_ta-t,M mooeJan,a.1:1:*sizoo_ta-t,amooeJan 1;J Fb,.ffili1;J Pb,!M A.Fa=Fb Pa Fb D.FaFb pa=pb papb 17,:bnOO 11 Plri.K,m:l:?t:ffi?31J,1).IEnf*ffl,ZMJJ(-fl-:lt!ffiiaJffi 5j:1$J Po.tf!1I.nrtiJiJJ-*ffi 1.Jf*(V wV),Jltll11t:1JM:lt!ffiisJffi-P I P z.!i!Urttl!foiJltfiiEfifflsJJ!A.p,p=p z.=po C.p ff!p z.p z.po D.p z.p ffpo 1s,:tmoo 12 m.5mni-t*1l!l!lBJ:mn.&-il-/ff)10 D.D.tp c.00 11 tJtlj$J:fff-,G=SN,)j!LJ5)1jJi,t A lJl B Lm,:;:,i,:;:,mn,i 1JBJ:$H1J,.;r.,12 A.5N ON B.ON 5N-,/C.SN SN D.SN ION 19,)rttli:r cOOB).AJ!;.J.iiEJt1c.scBsJJ:rft1:aJR:.a-w-J,-?_:_;-_:._:_.-;.;:,A B 00 13 C D A.Mi:pttfflffsJm.mmMD,ffiAt1 B.ffl-HttmJJ(aJ*tD,.hJ.kntt C.W3HDlJffl)M.-_t*OOA*,mrtiJrili n.mmm=R.*mBJ W,Jj(-fl-.ffii_tffl,ZW3-rfflaJ.-W-JJ(,#MBJ,1*ffilJW3-r1C,7*a*11 b$:AW3-rmi:p.L!:81,a 7*ri1i:Um-.b 7*ffl-tE*ffii,HW3-rm*t1t18JJ.!ffiiMffl-fl-,:tm00I4Flr,r.IEfiffleJJ!A.W3-r-Jj(lJffijJffl.B.a7*1Jn-JJfb7*7*aJjJ C.a7*nHJJ(lJ1t:h.fb7*nHJJ(BJ-JJ D.a7*ttaJ*&*fb7*#1J*&(6:i)I ff)14/,00B-.itlJ:,J(,tJgft-ooJir.rmffJJr,:tmoo 161Ji/rffe.W:tOO 16 zw T:l:JJ(1Jtrt1iu1J:m:n:xt,tn1Jffe:OO.Jltf!sJ&ttaJ:m:,1).1-J o)-H*B4B.-1*.n*)23,:t1ln:x14m1*i9J1J,1J,immm:aJfl,J,$:ttroo:Mt-1-fiJ 1J 7J(3-00.l:iEf;fJ,*jrj E:fm 00 17 Jififfe lJ fiiJ!1!1f.mJ r1tl fi:i:Ill 17 m.1-J 7 ft,J,$:tffl JU JJ(iii f!sJ lJ W:i!lt ffl fiiJ,i:t:i m -il:,J,$:/A fiiJ-tl iii flJ _:!Mltr.2)JAJ,z,p;jlx,J,$Jifi-Wurtrrnuer,_oo,J,$Jifilln:M:k.(3):iirt Pf!?A_.A.i911J-f*n*B.hi:&1t-f*i9JlJ c.w-o.n1J.ffli91-a1t(4),lJ.!J,$fflW7-K*iffi,_xi!iciUtfflffRe,tE:fJ!i:&:B 1J.t.Pf:iitt,fflWJJ(*24,1mm 1s JJififfe,J,fiiJ=noo*flf:f!sJ lJ ffi:!Jl:o)!J,11 ff.t,JF JtjijlJ*Ji1J:i1lc:x.t.1Jm.:t1Jmtt.t.m:t,JF Jt.tm-itt3J 1J1f rt.J#:iitti:&1t*i:&ttnaJ:k,J.!Ii 18(6)1JpIVi n f!fPY:tti(3).1,J TliEJV ft=-(4)tfFiij-J.1-J,J,aJ11Jtt-=f A.,j,JJ B.1Jv-f:Ut1 C.,Y,tb D.,Jv-la)t 25,Nf fiiJ?(l)U fflffi.7-KOOBillti.!i:,J:)1fm JJ1H A.IA u J B.mt C.fR)U J(2),j,J ii11ittlJlt lJ.fff-*1J!tfilJJ!II(3)jp.i:&1t 00.lJ ffi 5.91 1fl 1*(f.J(5)1J,1t tt lJ illli.Ii:f 26,wim 21 rt!:(l):fm:=-Jiff.1-1_(2)00-(3):fmlH!-:.(2)1Jvt Jt-ifliflt,j,11fl1Jvt JttE!Pf:K-iflffiiP3rt-1-1fJJl,tl:f m,J,Jt CJ!ilfmYlfm)lflir.ff-71lfl=ffl:tElii.l-4t-f*J:,j;:1J,ffl1Jrt;Jffl&,._ 1Jpij 1-jJ tm 3Jl-1ti.WTR-fl=ffl:tElii.l-W-f*J:lJJM-1-lfl,tEOO,mfflr.r-$1JJ tlf1:-(4):(11lJ-fRJR!lt-t,1J,1C:m*#c!lt(El(-fmiJ:,fiitT:!mOOZWT1Jr.lii.JfHA lJJ-x-A.T-jJ-B.,J,J,ltlUMllJJ c.9AilJt:(7(3JZ-1Jrt;JJ:.M3Y-1ti D.,J,F Jt.WJHR.25,J,$!PJJffl:!m00 19 lJJ1lli*P3$ffisilJJR.(l)U lfffisiit _ 5tfi!:ff CJ!i:R.Yl;t!);ff:(,ftfflffisi#HIJ,Ztl:W.U%ff P3:;_:;:f:ffliU W):tfl:.:.til B.tfiif:m:ir:tz:z.IE 19-(2).,j,*:i:1H1JAJIJEj3,Z.0091tJpij#1*(7JC,f0ffl)91,Ztf.W.00Ei3P u%ffW3 j/Jflf.raJ&,J,ft!t,IJWTOO,1J1fl-f*fflff,it;t!C:i!tAPT#YlPTiI?)1).$JltfilJJJl!.E13.:-(3)fiBoo z:AJiiiftaJJl:!mOOM.tt,-fiJJfOOPTffl,:tE!Pl-ll,!P11ll1*w,J,*l:tOO.mJMit.1llimlJlle.1*1.1.ffii:k.(5)/J,J:JlitE#1il1*91,1!3r.llffl!PJR1,.fli:&jlf1J1JJt;J,U%lflll tt-tE#lJlii.l-N,i*$_ _,:!mOOWWTffi-fil*ffiDlJJ-1-MfjOO:m:tm:W:-!$fi1:i!-t-.7,J,*muootJtl-(t JIID!J-moo 1-Ttnn*-:fm,J,ffi!P11111iitlJJ*lk:!A!j1Jfl ffl.A B 20 C D-Wffi:Wi*i5?xfl GIN nit 1.1.2 2 2.0 3 2.4 i#,($*.=.fffl(4)1j,if liiJ:(:J!ffflffl JUit.,ft!.=lx _ CJ!:tlffi)1 ji,me c*N!;tt:21,ti:m1;11.tm ff1ti!ff$,:!mOO 2:JUtlt,;ff,J,l!1$1JJ,J.ffi ,18!1!ffii O.Olm2,B%1 3rffli.RM r lnJ Ii.(I)1$iA ff$1.)$j:tlYlZ),-il:AJ(2)1j,*ff$:)!28,2017 4 JI 2 BJ:oor$rrrl(ttj:.*1F?ftt-fl:aJf-lM N?f l Wi i)-f*l1fl I,l _,D 4m11!4m1*&7J ffli-=iinm7J fflilt ff-jJ fiF tf 7.K:m:J!i GIN JJi-tJ!i FIN.11!GIN GIN Fn/N Gn/N 1 1.2 0.7 1.1 0.6 0.5 0.5 2 2.0 1.5 1.0 0.6 0.5 0.4 3 2.4 1.7 0.6 0.7 0.7 a fflf$:mlHi-=tr!H1t:m.;i 4),J,r liiJ tE;l1Hrfiffl,HJr!M,ttIJUff=fiffl-=ii;ttf1!fiJJ3 lx.&aJ;J;flW:f ffl,:J;J 1 1ijJUt,.ft!jg=?x GaJflffli&UN,G naJfit&:J;J 0.5N.$iA:J;J1J,ffi(JJff!;l!_ C:l!:tli:x1!ilffi)aJ,Jll!EE J!._ _:ii,e.me c*;m:;1t2,J.r,ffi211m10:fr,ffi28;m12:fr,22:fr)27,tE!l!ffrmaJ4-5c,*$aJA#!Jt:ii gHf$,:tin 00 22 WrJ!,J,tm!Jt:ii El ff$&.193:tf:aJAM:lt:J;Jm,$-=iiMOOaJ .tlll!l!milR O.Olm2,B g=lON/kg,iff$ir:iEJfl mmMr1u1AJ.1r.(I)f$iA;/;J tr$aJ$00 21 aJ CJ!f 1!J 21 Z:.fl 22 tl Efl!x Z.),iJ:AfilJ:fJ1 J!tr JJ!i-.f$:i!aJ WEE:I!-(2)1J,tmffiHHr$-fi-1i!Utff,A$a4?$x1:11!.mi1Jffn$dlf-?Wtmff$fi!1iaff,$x1MffiaM?28,2017j:4l 2 BJ:Lf,?ln7JtriJlt67JlliliaJl!.POOffi=Ml:ttJ:ft001AtE:k:it.OO,$ffr7J-&J:t.?tn7J:liJ!ffiA!Ait1H,m_:;F*Hh fflilih 4-Jflmt/!7JtEP3 aJn:,J(t Cg ION/kg,P11t*=1xI03kg/m3)C 1)BmJ-aJ-;,J(Wll1J:-fm_aJ_;,J(Wlt.33:!lnW.aJ:ttJ:ftMmJ-Um-lM C:fM,it4m,7J4mMaJffll),ft C:lAJ:n-rm-!Jl-Wd=:f),;ttnJJ(:t:m c:ll:k:,1J,:f).c2):ttJ:ft?ln7J(:lt 6 7JlfiH,!J!IJ!lt$f:ttJ:ftWrU-7Ja?C3)-M,fflM,4-fflmt?7J 1.8 7Jllil!1JltnW.,JillJAAJ:ftUaJff-JJ lt?l n*:xT$&N?nWfintF*aJ-1*$&?,c 6 n)/.*1.*;*.*