哈尔滨市名校新高考物理基础100实验题狂练含解析

哈尔滨市名校新高考物理基础100实验题狂练含解析

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时间:2023-04-14

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9(32-24)>10-2m/s=0.20m/s0.4-0ᩈᙽḄçèÈᜧVv-v0-4"0-2m/s2=1.00m/s2a=------t0.4-0.233é☢ëì37஺ᑣ³ᩈᙽíᑖ᪆ᵫîïðñ[\]5mgsin37°-gcos37°a-----------------------------m,5஻=10.6388.òᵯB⊤ᦋóÄᵨᵯ⊤ᓽõöÈ15Ḅ“xl”ᢱḄYZ⊤ic¾075VḄᵯ7⊤,Oø]ùúḄᘤᩞᨵB.ᵯB⊤Aic¾0~10mA,ᑁ925஺C.ᵯB⊤A?c¾0~l0mA,ᑁ92.5CD.PQR9ᘤRi030஺E.PQR9ᘤR203஺F.[=ᵯ9R3117.5஺G.[=ᵯ9R&120஺H.[=ᵯ9Rs147.5QL.ᓫᑐýþᐵS,_³⊤i1aNᵯB⊤Ḅ⌱"+”ᡈ“”ᵯᐵSᢁᔣ⌱“1”ᡈ"2"2ᵯ⊤⌱ᵨ⌱"B”ᡈ"C”!ᘤ⌱ᵨ⌱"D”ᡈ"E”#$ᵯ!Ro⌱________⌱“F”“G”ᡈ“H”3বᙠ()⌱ᵨᘤᩞḄ,-.'()0123ᵯ45ᵯ⊤67ᵯ8I.ᑣᵯ!:;<=ᢣ┐ᢣᙠᜐ᪗=_______.ᑏᐹEᦪ$ூHᫀ௃+1CDH5஺ூL᪆௃ூᑖ᪆௃

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24D.pᦋrsᢞ(ṹḄᦪN,uvw78<=fᢝO&HIxyuv.᦮(ṹḄᦪNiஹN32ூ{ᫀ௃ABEABூ~᪆௃ூᑖ᪆௃ூ~௃(1)[1]A.h8ᑣ<=Qᡠ◤⌕S&ᓽ◤⌕᪗?%&஺ḄHIARSBC.ᐸ⌕QḄNᔣᜧb'(ṹḄ*+,_ᡠ(ṹḄᦪ[QhḄᜧbx◤⌕+(ṹ*+BRSC┯cDE.(ṹ!"ḄNᔣ[⊤ḄNᔣᡠ◤⌕᪗?OAஹOBOC!ḄNᔣD┯cERS஺ᦑ⌱ABE.(2)[2]A.᝞0C!ᣚᡂWXYᙠ_$789:;⌕%&ᑮ,_ḄHI78%xrᓄZ[\ᡂ78ARSB.]!⌕LD᪗?_$]!NᔣḄ&⌕`D[1ḄNᔣSab78cdBRSC.78¡9ᑣwḄᔠᡂSḄᜧbNᔣx◤⌕mnC┯cD.78Ḅ£ḄT8ᑣuv78x◤⌕fᢝ%&HIxyD┯c஺ᦑ⌱AB஺19.¤_¥ᑭᵨᡭ&m§ᘤ©ªb«¬M§®rᓄḄᐵ2ᡠᵨ°±ᵯḄ⚣᳛h60Hz,h¤78;µᑮḄ$ᩩ·Ḅ$¸ᑖ0ஹ1ஹ2ஹ3ஹ4ஹ5h¹mᦪ&,ºmᦪ&®»ᨵ2ᡭ&¼½஺¾·si=5.21cmஹS2=5.60cmஹS3=6.00cmஹs=6.41cm,s=6.81cm,ᑣᡭ&m§ᘤ'ᡭ,ºm4sᦪ&Ḅ§®®◞Tsb«ḄÀ¬Ma=m/s2ᡭmᦪ&“5”§b«Ḅ¬Mூᑖ᪆௃ூ~௃পᵫ⚪Ä,ºmᦪ&®»ᨵ2ᡭ&¼½ᑣmᦪ&Ḅ§®®◞T7=3x—s=0.05s60[2]᪷Eᒴr¬ÇÈyḄÉÊËÌ

25/Sx=aT2[ÍÀ¬MḄᜧbᑣᨵ[3]᪷Eᒴr¬ÇÈy;§®;&Ḅ¬M-ÎÏ9:;Ḅᙳ¬MᑣᨵS4+6.41+6.81ᓃ=xl0-2m/s«1.32m/s272x0.05ᑣᡭmᦪ&“5”§b«Ḅ¬Mv=v+aT-1,40m/s5420.¤ᱥᳮᐶÔbJÕm᝞ᵬᡠḄ×Ø⊤ᵯÙ¡9ÚᑴÜᐵS.⁚ᵯÞß[1×Ø⊤ᐹᨵ“xlO”“xlOO”áâ᳛ᡠᵨᘤᩞ᝞AA.äᵯåᵯyæE=1.5V,ᑁÞr=0.5QB.ᵯ±⊤Gèéᵯ±Ig=lmA,ᑁÞRg=150QC.êᵯÞRi=1200QD.ᵯÞßR2R3ᨬᜧÞê999.99஺E.ᵯÞß¡ᨬᜧÞê9999஺F.Üᐵ$ìஹí⊤îᔜ1ðñÇpä(1)Ï78bJᢥᵬRSóᵯÙ஺ôÜᐵSõܧìஹí⊤îö.⁚ᵯÞßR=21ᵯ±⊤4ᑮèé÷§øᔠᵯÙḄùᵯÞúQ×Ø⊤ḄᑁÞRᑁᑣûᑁ=஺×Ø⊤Ḅâ᳛T(⌱ý“xlO”ᡈ"100”)(2)øᔠÜᐵSÿ⁚ᵯR2R3,R2=஺R3=஺ஹ⊤ᵯ⊤ᙠஹ⊤ᐭᵯR4,⁚R4,ᵯ⊤ᢣ┐ᢣᔣ$%ᡠ'Ḅ)*+,Ḅ-.⊤Ḅ/012Oூ5ᫀ௃149.51500X10014.515010ூ8᪆௃ூ:8௃(1)[1][2].ᵫ<ᔠᵯ>-.?@AB:

26âã⊤ḄᑁäOE15/?=±L=_L^Q=1500QæI0.001ᑣR=R-Ri-R-r=(1500-1200-150-0.5)fl=149.52rtgèᵯäéO1500Q,᪷Gêᵨᵯ⊤ḄuM"/Ø#⊤ë(ìᨵí᫏#ÇOxlO,ᑣèuMïᜧ,Ððᔠ▭#ᦑâã⊤ó᳛éO“x100”஺(2)[3][4].OJᑮ“xlO”ó᳛#é$¾õ>öéḄᵯäO150Cᵯ÷O/=-^A=0.01Aù'150ü>⊤ᜮᵯ÷éO0.001A,þÿJὶᵯRsᵯ(0.()1—0.0()1)A=0.009A,ὶᵯ,_0.001x(150+1200)20.009£1=150£2,1.5-1.35R+r=-------------£1=15஺20.01ᦑR2=(15—0.5)f2=14.5ft[5].ᵯ().60mA,ᵯ6.0mAᑣᵯ1.5,R=——X103Q=250Qfi6.0ᦑ'(ᵯR«=(250-150)Q=100஺ᦑ)Ḅ+,10o21.1590-./ᑭᶍᙠ3⃬5ᛞ789“;<=ᳫ?@Aᙢ”ḄDE.FG9HᵫAJḄẆL஺M?Nᵨ᝞IᡠḄDERSẆLHᵫAJ.RSTᵯUVWᡭYZ@ᘤ\]ᙠᵯ^Vஹ⚣᳛f=50HzḄbᵯc7஺DETᐜeᔠFᐵ.hijkl஺ᡭmnᩩkl஺⌱qrᩩYstᨎv᦮ḄklxyẆL.z{⌱qḄklᡭ|};

27ᡭYZ@ᘤூ5ᫀ௃22023.919.75ூ8᪆௃ூ:8௃[1].ᵯDEFᡭHIᘤKᙠ220VḄLᵯMNᓽA஺[2].᪷QRSABᡭTUVWH◞.=0.02sf᪷QYᵫZ[\])^_FAB`abcWHde1,1,h=—gt~=—x9.8x0.02**m=1.96mm=2mmo13].᪷QfH/Ḅgh0⌨=39im/s,IT[4].᪷QAr=giAB22.᝞$ᡠ'ᵨlmn\]opḄq*prstuឤ?@஺wᳫyz☢|}~h0`aᔣ],ᙠz☢}N?h0wᳫe`z☢Ḅh0V஺wᳫZᙠᙢ☢NTZH,wᳫyz☢Hᙠᙢ☢NḄᢗH2O,ᵨ/0ZHᑮOHḄdeX஺ᦋwᳫḄh0N+,Ḅh0vdeX஺BᙢḄ¡¢h02g஺£¤prwᳫᙠmn\]fs¥tuឤ¦◤prmn\]Ḅ¢h0¨©¡¢h0ᓽA஺.h0ᘤ«¬1®ᢥ᝞$ᡠ'°0h±mdex,ᐸf³ᙠ┯µḄ¶·"h”ᡈ"x”¹ºḄ»,¶

28(2)£wᳫᙠTZfḄ¢h02a,ᑣx½vḄᐵ¿F2x=o(3)À®ᙠᙶ᪗RN¬ÃÄஹÅᙶ᪗~f2Äᙶ᪗¬Ḅ$Æ2ᩩÈHḄKÉ$ÉḄÊ᳛2k,ÌÍÀ®⌱Ï2Åᙶ᪗᪷Qmn\]ÐᑮḄ¢h02஺ᯠÒ½g0ÓÔ£WὅᙠµÖᐕØÚᑁb¨ÜprÃwᳫᙠmn\]fs¥tuឤ஺ூ5ᫀ௃hyz☢ᑮᙢ☢ḄdevÝv2yூ8᪆௃ூᑖ᪆௃ூ:8௃(1)[1][2].ᐸfhḄᨵà⚪,À¶yz☢ᑮᙢ☢Ḅde(2)[3].wᳫTZfâKᔣ.12h--at2±mᔣx=vt8Ð(3)[4][5].᪷Qx=&AÐÃ2=æyᑣ~᮱2Äᙶ᪗¬Ḅ$Æ2ᩩÈHḄKÉ$ÉVaa2஻2/?ḄÊ᳛2k,ÌÍÀ®⌱ÏV?2Åᙶ᪗ᵫᦇ=——ÐᑮḄ¢h02஺=î஺ᯠÒ½g0ÓÔ£WὅᙠµÖᐕØÚᑁb¨ÜprÃwᳫᙠmn\]fs¥tuឤ஺23.ᑭᵨ$'q*A~ᱥ[àḄ]᥅òóᦪ஺±mõöz☢|}?Ḽ?øஹBH?Ḽᐝᵯú஺û?øḄüÉW}ᑖý᪝ÿmḄᱥMḄᱥᙽ(dḄᐝᩩ)ᵫ☟ᱥᙽᦋᱥᙽAḄ!"#ABḄ$%xᐝᩩ&'ᐝᵯ)Ḅ$t,(*+,-.$Ḅ᥅012345ᙳ7859:g)ᐝᵯn”¡¢ᐝ£,IIn/<'i(1)ᱥᙽCADEFBḄ'GHᱥᱥᙽ᦮JḄEKLAE=k(2)MᑡᔜPHKQRST᧜DE'GHx,tV$ᐵXḄPYZ([⌱⚗^_`a)஺

29(3)c(2)HRSP+Ḅd᳛k,ᑣᱥᙽ,gh☢$ḄE᥅0jᦪp=([⌱⚗^_`a)஺2kmg-(M+m)d~2kmg+(Af+m)d22kMgC.2kMg'2kMg2kmgr(M+m)d2•+m]d2ூ¥ᫀ௃-----JrCA2¨ூm᪆௃ூᑖ᪆௃ூqm௃(1)11]ᱥᙽᑮsBḄ:ᑣᱥᙽCADEFBḄ'GHᱥᱥᙽ᦮JḄEKL1(M+m]d27©ª=-(M+m)v=~2t2B(2)[2]᪷uEKvᳮᨵ᦮ᳮyᨵ(m+A/)J21X=----------rX—2{mg-/uMg)rᦑ⌱c஺(3)[3]ᵫ{ᦪᐵX|}d᳛2(ngMg)ᵫ~|_2kmg-(M+m)d2“2kMgᦑ⌱A஺24.ᙠ“ẆᱥJᒴ:+DE”ḄHᑭᵨᡭ8ᘤ(ᵯ⚣᳛50Hz)"#EḄḄDEᐸHḄAஹBஹCஹDஹEஹFஹG¢£8ᦪ¤¥Ẇ(¦§¨

30£8ᦪV$©ᨵ4£ª«¬஺ᐸH®=0.70cm,x=1.62cm,£=2.75cm,᳝=cm2±CPH²x=5.65cm,%=7.41cm஺ᑣᡭ8ᘤᙠᡭDḄ:%=m/s,5Ḅ9:a=m/s2.±8´µ¶ᙳ·ᶇᑮᦪy¨|111H11ᵬ111|111hº|111ᵬ111|1º|113111ᵬ13111ᵬ111|1111411|111h11¼½º|0cm123456789ூ¾ᫀ௃4.10cm(4.09~4.11cm)0.12m/s0.21m/s2ூm᪆௃ூqm௃[1J.ᵫP²¬/=440cm¦§¨8ᦪV$Ḅ$$◞T=0.1s[2].ᡭ8ᘤᙠᡭDḄ:/—X,(4.10-1.62)x10",Á0,v=Â_=-----------------m/s=0.12m/sDnIT0.2[3].Ḅ9:(x-x.)-x.(7.41-2x2.75)xl0-2,,2a=~K1=-------------------J---------m/s-2=0.2lm/s225.ᙠÅÆvÇᵯ4Rஹ4Ç4.5஺/ḄᑖÈHᵬஹɨÈᑖʤ¥᝞M'G:1ᵬÈ|⌱ᘤᩞ᝞MÎ-E4ᘤRA0«500Q,100mA-E4ᘤRB¬0~5Q,2AᵯÏ⊤A0-0.6A,ᑁ4Ò2C0~3Aஹᑁ4Ò0.5QᵯÓ⊤V0~3Vஹᑁ4Ò1.5kC0~15Vஹᑁ4Ò7.5kCᵯE±ᵯEÔ3VÕᐵS,Ö+c×஺

31জÙÚÛ⁚Æ-E4ᘤÝᵨᑖÓÞßà⌱á(⌱[“RA”ᡈ“RB”);ঝä᪷uåæᘤᩞᙠPᵬHçᱥᵯèéÞê᦮______________;ঞᢥåæîïÆRXJH_Rx([”>”ஹ"="ᡈ'x(2)ÉÈ|⌱ᘤᩞ᝞MÎᵯÓ⊤V(0-3V)-E4ᘤRc(10ft,1A)ᵯ4òR(0-999.99Q)ftᵯE(ᵯEÔ3V)ÕᐵS஺MN¯—-ߟESRµä᪷uÉÈḄᵯèPÉåæᘤᩞᙠMNᜐᐜÞ,ᢥÅvḄõöîïy"M÷⊤Ḅ²ᦪøᣚÞRSîïyƬR,Ḅ4Ç;cᙠMNᜐúᣚᘤᩞ7ûç-E4ᘤḄ-ᱏPᔣþÿ(“ᜧ”ஹ“,ᡈ“”)஺(3)ᵬ!(“ᵬ”ᡈ"ூ$᪆௃ூ'$௃(1)জ(].+,-.⁚0123ᘤ5ᵨᑖ89:⌱<3!ḄRB;ঝ[2].>ᵯ8⊤ᑁ3Bᜧ-Cᵯ3Ḅ3!ᑣ5ᵨᵯE⊤᜜ᱥᵯHI᝞K:ঞ[3].ᢥNOPQ>ᵯ8⊤ḄᑖEQᵨRSᵯEḄ!Tᜧᵯ3Ḅ!TᓽSRx*

32¶஺ফ᪷¹µºḄᵯµ»¼7DEᘤᩞᙠMNᜐᐜ]Rx,ᢥrÀḄÁÂÃÄÅ|Æ⊤ḄÈᦪ.hᣚ]ᵯÊRo,ËÌÃÄ(mRஹḄÍ.ÎÏÐᦔÑÒÏ[6].ÓᙠMNᜐÔᣚᘤᩞ@.ÕÖ×ØÙÚᘤḄØᱏPᔣÝÞ9rß.ᑣRcà.Óᵯ^⊤ÈᦪÕÚ.ᑣᵯTᑁ»Rc;âᵯ^ÕÚ.ᑣᵯTᵯÚᜧ.ᑣRஹÚ.ᓽ(å×Ú஺(3)[7].3æᵬµ;º(å.ᙠËÌÃÄḄèé|.µºêëæ.ᓽµºÔ]ìíDÍ஺26.îï(åðᐹḄòᳮ¡Èᦪ(1)ᵬ?Nᵨô᪗ᓱ÷(åMᱥJḄù,.᝞ᡠ.ᑣ\ᱥJù,(åÍrcmohUUHUUTTmo1O20(2)µ?Nᵨúû(üᘤ(åýþÿḄD᝞ᡠᦪD=mm஺/「-三一-三一一三20一-三10)一ூᫀ௃0.2252.150(2.150±0.002)ூ᪆௃ூᑖ᪆௃ூ௃(1)প᪷᪗ᓱḄᦪᐸᦪd=2mm+5x0.05mm=2.25mm=0.225cm(2)[2]᪷!"#ᘤḄᦪᐸᦪD=2rnrn+15.0x0.01mrn=2.150mm27.%&'ᵨ᝞ᵬᡠḄ*+,-%".ᩈᙽ1ᩈ234᥅67ᦪ:**.@A■Or[----9:;ṹᡭCDEᘤ9.5011.0012.5014.00(ca>)(1)FᡭGḄHI@AJ⌱GL᝞ᡠḄMᩩ,@APAஹBஹCஹDஹERSCḄ3T᝞J᪗ᐸJUVWXC3Yᨵ4[DEC\]G஺ᡭCDEᘤḄᵯ_⚣᳛b50Hz,᪷".cdDefᑣᡭCCE@AḄhiᜧ9m/s@Ak4Ḅlhiᜧ9m/s2»(cdnᶇ3pᨵᦔᦪr)(2)tu(1)"vᩈᙽḄlhia,Y"v;ṹwᩈᙽḄx.ᑖymwM,z{ᙢ}~lhig,

33ᑣ2᥅]>ᦪ11=O,m2-(m+M)aூ_ᫀ௃1.18m/sL50m/s2஻=----------------------Mgூ$᪆௃ூ'$௃(1)[1][2].>abOcdeᦪfḄghh◞+T=0.10s,jSi=9.50cmஹS2=11.00cmஹS3=12.5cmஹS4=14.00cm,ᡭCfgabḄlmᜧ+$2+$3%=-----2Tnᐭᦪ!Sv=1.18m/scplm_q+4_(54+⎃)-($i+&)"2-nᐭᦪ!Sa=1.50m/s2(2)[3],rᩈᙽஹuṹw0uṹᡂḄyzᵫ|}~Smg—pMg=(M+m)a$S_mg~(m+M)a*Mg28.ᱥᙽ☢hḄ2᥅]>ᦪᐸ᝞K1ᡠᐝᵯ1ஹ2☢2,ᱥᙽOᨵm+dḄᢱᐝᱏ஺ᱥᙽᙠ☢O12gᐝᵯNᢱᐝᱏḄᢱᐝgh஺(NeḄᙳ¡ᶇ£ᨵᦔᦪ¥)পᵨ§᪗ᓱªᢱᐝᱏḄmᐸᦪ᝞K2ᡠᑣᢱᐝᱏḄm«1=mm஺(2)ᙠPᜐᵨ®2ᱥᙽᱥᙽ☢1¯°±²ᐝᵯ1ஹ2,Ḅghᑖ³+40msஹ20ms,ᑣᱥᙽ±²ᐝᵯ1ᜐgḄlmᜧ+m/s,±²ᐝᵯ2ᜐgḄlmᜧ+m/s.ᱥᙽ±²ᐝᵯ1ஹ2ᜐḄlmᜧ´:_______(⌱“¶ᜧ”ᡈ“·”)☢Ḅ¸¹º»ᐝᵯḄᦪc¼½

34(3)¾¿.᦮☢Ḅ¸¹ÁᵨÂmªS☢⚔ÄÅÄḄÆmÇh=60.00cmஹ☢ḄÈmL=100.00cm,gÉ9.80m/s2,ᑣᱥᙽ☢hḄ2᥅]>ᦪḄ!|j=()»ூ_ᫀ௃5.20.130.26·0.75ூ$᪆௃ூᑖ᪆௃ூ'$௃ᢱᐝᱏḄm+d=0.5cm+2x0.1mm=5mm+2x0.1mm=5.2mm(2)[2][3]d=5.2mm=5.2xl0'm,ti=40ms=40xl0-3s,tj=20ms=20x10-3s,ᵨÊᙳlmᩭÌ$ÍglmÎ5.2x103m/s=0.13m/s40x10-3…26zs-t20x10-3m2[4]ᵫ-V2pmgcos0ᦑ:·☢Ḅ¸¹ºᑮmgsin0=pmgcosOÔgᱥᙽᒴlÐ2ᐝᵯḄᦪc¼(3)[5]h=60.00cm=0.6m,L=100.00cm=lm,ᱥᙽᒴlÐ2gmgsin0=finigcos0ᓽtan0=pÖhtan0=/$SM=0.7529.×ᑭᵨÙᵨ⊤ᑖ8ᵯHᵯ3ḄᓄÜᢥ᝞ÝÞ:KᵬK

35(1)⌱ᵨßà᫏xlOâ᳛ᐜ⊤åæ.çè᝞Kᵬᡠ⊤åᑮᑖ8ᵯHÄé1ᱏ2ᑮᨬëÄìíîï᝞Kᡠ᪷ñᢣ┐£ᵯ3ôᦪ+(2)1ᱏ⌲ö12ᑮᨬ÷ÄøÏᐸù22²úûôᦪᓄüýþA.¶ᜧB.·C.ᐜ¶ᜧÁ·D.ᐜ·Á¶ᜧ(3)ÿ᦮ᦪḄᨬ24C,ᑮᵯḄᓄ஺᪵ḄᨬḄᔲᔠᳮ!"ᔠᳮ#ᑏ%ᵯᓄ&"'ᔠᳮ#()*᝞,ᦋ.—.ூ2ᫀ௃200B'ᔠᳮ#ᳮᵫ67᪆ூ7᪆௃ூ97௃:;⊤⊤=>ᦪ20.0,?᳛10,ᑣᨬBᦪC20.0x10=200஺#(2)ফ᪷FGHὶᵯJḄᱯLMN#OPᱏ⌲SPTᑮᨬUVW'XᐸZT#ᵯJḄᵯ[#ᑣ\Tᦪ[#B.]&ᦑ⌱B஺(3)`'ᔠᳮ#ᦪ24QabᵨxlOaᢣ┐fgh#?᳛gᜧ#*ᣚxl?᳛klmnBo஺30.pᵯ᪗rsῖ⇨#vwxyz⌕|wxᩭᵯḄ#wx~ᜓᨵ᝞wxᘤᩞCA.ᵯyE(ᵯT3V,ᑁMᶍ)&B.ᵯ⊤V(0~3V,ᑁ5kC)C.ᵯ⊤A(0~lmA,ᑁ10000)D.PTᘤR](ᨬᜧ10஺)&E.PTᘤR?(ᨬᜧ200Q)F.ᵯ(0-999.9Q)Gᵨᵯ⊤&H.ᐵp#"஺(1)ᵯ஺ᵨᵯ⊤Ḅ⌱ᐵᑮ:;ᢱ“xl”#ஹ¢⊤£¤¥mn#ᯠB§ᵯ#ᵨᵯ⊤Ḅ>ᦪ᝞¨ᵬᡠ>#ᑣᵨᵯ⊤ḄᦪC஺(2)wxy⌱ᘤᩞᵨ®¤p¯ᵯḄ#✌ᐜ⌕ᵯ⊤ᦋ²ᡂ200mAḄᵯ⊤#ᵯ*m⁚ᑮQ.ব¶·¸ᵯJHᙠ¨ºᡠ>Ḅ᪾¼%ᵯJ¨#⌕½᧕¿ÀÁ#¿#H᪗%ᡠ⌱ᘤᩞḄÃÄ(4)yᙠwxᑖÆÇᵯ⊤Èᵯ⊤Ḅ>ᦪ#Hᙠᙶ᪗ÊËÌL᝞¨Íᡠ>#¶.]Á%/-UᐵΨ,ᵫ¨M½§ᵯ%=Q.(ÒᶇÔᨵᦔᦪÖ)

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372মᵫᳮAURஹ+R,\=15.0஺A/x200ᵯ4=(15.0—5.0)0=10.0஺ᵫ9.90Q^10.2஺ᙳ31.⌕⁚!ᵯ"Ḅᵯ$%&ᑁᘤᩞᨵ+ᵯ,⊤ஹ+ᵯ/Rஹ+Ḅ01ᵯR஺+2ᐵ&45678ᢥ᝞ᡠᵯ:;<Ḅᦪ>᝞?⊤ᡠ:Aᦪ12345R(J2)4.010.016.022.028.0I(A)1.000.500.340.250.20প8CDᵨFGᩭI0ᵯ"Ḅᵯ$%&ᑁᵯ6JRFCKLᙶ᪗OḄPᙶ᪗ᑣRS____________FCUᙶ᪗஺(2)ᑭᵨᦪ>ᙠXYḄKLᙶ᪗OZ[Y\IḄ](3)ᵫ]^8ᵯ"Ḅᵯ$%£=V,ᑁᵯr=

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39-r-Ro=bvfE=kr=-b-R(>ᡠᵫᵯḄᵯ4E=6.0V,ᑁᵯr=1.0Q஺32.᝞ᡠᙠ".ᴻᢚ᳛Ḅ*+JXp&'ᐜ@ᙠᩈ2P஺ᴻẈᙠ@PawbᴻẈḄP☢Ḅp-஺ᙠᴻẈḄMPXᜧᜮ┐1w¡FᴻẈḄ¢M£Pᜧᜮ┐¡w¤஺¥¦ᡂ*+¨©f(1)ᑡ«¬¨©Ḅb;(¯ᫀ᪗°)A.Pᜧᜮ┐ᨴ²ᨴᢱ´µḄ¶B.Pᜧᜮ┐ᨴ²·ᢱ´¸ஹ¹Ḅ¶C.Pᜧᜮ┐¡²ºᢱ´»Ḅ¶D.Pᜧᜮ┐µ²ᨴᢱ´ºw¸ஹ¡Ḅ¶ফ¦ᡂP½«¬¾ᙠ@P᪗Gᜧᜮ┐¸ஹ4Ḅp-(Jz᪗G)ᙠJ¬G¦᦮ḄᐝÁ;()(3)ᑭᵨᐝÁDeÃᴻẈḄᢚ᳛n=஺ூ᪆௃ூᑖ᪆௃ூ௃

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41,4^2(L-L)ூᫀ௃BCg=„ூ᪆௃ூæ௃(1)AஹCçèékḄêëçìíᓫ᤮¤⌱ᵨ¦ᜧK§¨©Ḅ᤮ᳫᦑA┯ðBஹCçìíᓫ᤮¤⌱ᵨ«¬᧕¯°Ḅ±5ᦑB\IðCஹ¤᤮ᳫᙠtK☢ᑁ᤮$ñᓫ᤮ᡂCᙊ┵᤮ᦑC\IðDஹ»Rᓫ᤮᤮ᑮᨬõi2ö÷Cᨬõøù᤮ᳫᨬᜧnḄúûüýþ´Ḅ»©ᑣᕜÏl©ÚIᦑD┯ð(2)᪷ᓫ᤮Ḅᕜ7=2g=▢ᵨOMḄL᤮᤮᪷NgT2⊤gḄ᤮Ḅ!"ᑮᜧᳮ&'(Ḅ)*r,ᑣ᪷ᓫ᤮Ḅᕜ……ᡝ,!…ᔉὶÅvfg;Æ34.ᑭᵨᡭ"./ᘤ(ᵨ⚣᳛50HzḄ45ᵯ)Ẇ9“ᒴ<=>?@ḄAB”஺᝞FᡠHIJKᡭ"./ᘤᡭLḄMᩩ"OPᨎḄRSOTᡭ"./ᘤᡭUḄVMW"XYZW.ᦪ"\]^ᨵ`W"aᨵbL(1)XYZ.ᦪ"\]Ḅ/]]◞:(2)IJ/⌕ᙠghᡭ"./ᘤᵯi\(k“l”ᡈ“n”)opRSবrᔜ.ᦪ"tO"Ḅ)*uvwᵫஹ1thஹ2ஹ…,y=0.40cm,⛴=1.60cm,|=3.60cm,%=6.40cm஺}.~ᡭ"./ᘤᡭUC"/RSḄ=ᜧMm/SRSḄ=ᜧm/s2(!ᙳᶇZᨵᦔᦪ)ூᫀ௃0.1n0.240.80ூ᪆௃ூ௃(1)⚣᳛50HzḄ45ᵯXYZW.ᦪ"\]^ᨵ`W"aᨵbLᡠXYZ.ᦪ"\]Ḅ/]]◞01s.(2)2IJ/◤ᐜghᵯinopRS஺(3)3ᡭ"./ᘤᡭUC"/RSḄ=ᜧ

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470X1()00஺+0X1()()0+5x100+0x10=5()஺[4].ᵯÔÕÖḄᨬᜧØ9xl000Q+9xl00Q+9xl0Q+9xlQ=9999QᵯÔÕÖḄØÚ09999஺40.%&'".ᴻẈḄᢚ᳛ÛᜓLᑡᘤᩞfÞᐝßஹஹiஹM☢╄ᨵáâḄãäᴻẈ.᝞ᡠ1ᴻåãä-ÞᐝßæGḄMçÞᐝFPOCᔣᴻẈ⊤☢ᙠPêëᑮAஹBX[ᐝCGOA3ḄTí20.00cm,AB3ḄTí6.00cm,"vJᑮᴻẈP⊤☢Tíî=10.00cm,ᴻẈïid2=4.0()cm.ᴻḄᢚ᳛n=,ᐝᙠᴻJðñhiv=m/s(ᐝᙠòóJðñhic=3.0xl()8m/s,cdᙳnᶇXpᨵᦔᦪr).ூ.᪆௃ூ1.௃õMóஹ¬GᐝÁ᝞ᡠ,ABfl____w\7777777777777777777τ7777777/᪷ö÷øvᐭúi=45஺ûᢚúr,ᑣtanr=,ᦑᢚ᳛n=2U7I.24sinrõýóஹᐝᙠᴻþxJḄðñhiv=£=2.5xl()8m/s.n41.%'ÿᵨ᝞ᵬᡠḄ“ᳮ”஺ᙠ!ᐝᵯ$B,%ᙽ'(ᐝᩩ*%ᙽᵨ+,-./0Ḅ%12345ᘤ78*45ᘤ9:;ᢞ=ṹ*?@%ᙽABAᜐᵫ☟FGH஺ᐝᵯ$8(ᐝᩩ012cm345ᘤJIIJijெI|J|JJJïïï.|ïLL,05K)1520=ẆÛপMNOᵨP᪗ᓱSTU(ᐝᩩḄVWd,᝞Xᡠ*YZjd=mm஺(2)9ᑡ⌕]^_⌕Ḅ⚗a(cdᑏ⌱⚗ghiḄjk)஺A.im%ᙽnUoᜧq=ṹr345ᘤḄsnUB.ituvwx(3)yzᢝ%ᙽḄnUMrAஹB}Ḅ~L*ᦋ=ṹnUm,ThiḄ345ᘤḄᦪF

48XñᐝᩩâAᐝᵯôḄ>õt,âAö÷øឋiú"ẆüÀᙽþᓄªᔠ᜜ḄᐵᜐᳮᦪḄ(ᑏ⌱⚗Ḅ)஺1,112A.t2——B.M-FC.L——D.--F1r-FFtூᫀ௃2.25BAூ#᪆௃ூᑖ᪆௃ூ&#௃'᪗)Ḅ*)+ᦪ,2mm,'᪗)+ᦪ,5x0.()5mm=0.25mm,ᑣd=2mm+5x0.05mm=2.25mm஺(2)[2].Aஹ/012345ᘤ78Ḅᦑ:ᙽ<8=>ṹ@45ᘤḄA<8BᐵᦑACD⌕;BஹGHIJKL⁚NOPᢝ/RSᔣ=ᩈVO☢OXY᪵/[\]ᔠᦑBD⌕Ḅ஺ᦑ⌱B஺(3)[3].Ẇ`:ᙽḄa᪷cdeᳮfg1,FL=-Mv22ᑭᵨ᩽klᑁḄOᙳop⊤rsopᑣtᐝᩩ23ᐝᵯxḄsopdv=tᑣ#yMd22t=-------2FL.1Ẇ`:ᙽcdzᓄ=ᔠ᜜ḄᐵᜐᳮᦪḄ},~-}ᦑABCD┯஺ᦑ⌱A஺42.ᵨ᝞ᵬᡠrḄ78:ᙽ=NO☢lḄc᥅ᦪ3᝞:(1)ᵨ'᪗ᓱ)78e]:ᙽḄtᐝᩩḄpd=—mm,ᙠ☢ᔠ〉e@ᐝᵯxGᐝᵯx=ᦪᘤ(¡¢£)¤1.(2)ᵨ:ᙽ¦§¨ᑮª78:ᙽᑮᐝᵯxḄ«¬x.®:ᙽ7:ᙽḄtᐝᩩ23ᐝᵯxᡠᵨḄlt,ᑣ¯:ᙽḄopv=

493.ᙠ%ᙽṹᩭᦋ%ᙽḄnUm,ᵨ%ᙽtᑮ2^Ḅ*2Ḅ*ᑡ%ᙽnUm2.ᐝᵯ$yḄWvḄ*᪷ᦪ*v^m"᝞Xᡠ.¡¢ᙢḄ3¤W¥g,ᵫ¦¡*%ᙽ2wx§☢©}Ḅ᥅«¬ᦪ4=_¯ឋ±²qE=.Pdb°bூ´ᫀ௃5.70mm---£=—Pt2gx2aூ·᪆௃ூ¹·௃(1)[1].ᵫX¡*P᪗ᓱSºᦪ¥0.5cm+14x0.05mm=5.70mm[2].%ᙽ».ᐝᵯ$ḄW¥v=g(2)(3)[3][4].᪷U¼ឤ஻¤gx+my2Ep᦮ᳮ19U=-2E-2^igxmÀᔠÂ஺Ãb2Ep=7aE=—P2ab=/jmgxbH=-----2gx43.᝞ᡠ*MNOᙠÅ“ẆᒴÇ,È”Ḅ^*ᵫᡭÊËyᘤᑮ⊤ÍÈ.ÎḄᩩÏᨎḄÑÒ*ÑÒ:Ô7ÕËᦪÊ}ᨵ×!ÊØÙᩭ.¡ᡭÊËyᘤᡭÊᕜÛT=0.02s,ᐸ^gx=8.33cm,஽=8.95cm,Þᡂà9á⚪:পᡭ9AÊyWᜧa—m/s.

50(2)°ᵬ±78²³´¡X3ஹX4Ḅµᑣ¶·¸cḄ¹opº⊤»¼,(ᵨX3ஹX4½T⊤r).(3)¾᪷3Ḅg¿º²ÀÁᦪÂḄsopÃÄᙶ᪗£Ḅv-t᝞ᡠrÆÇ᪷y¶·¸cḄ¹op,m/sMᵫfgÉÊËḄ0.3sᑁ¶·23ḄÌᜧ¶,m.ூᫀ௃0.864ஹ±Î!.1.00.12ூ#᪆௃ூ&#௃(1)Ï].ÑÒÓᦪÂlÔᨵ4Áᡭ¢£ᡠ×ÑÒḄᦪÂlḄll◞,t=0.1s᪷Oᙳop\]¡ÙḄsopᑣᨵÚW+Z8.33+8.95.„.v.=———-=------------x1i0nz2=0.864m/s2t0.2(2)[2].᪷¸cÛ¼yÚ▲Ý2x=at#y:åå᳝åt2—25T2(3)}¡}ḄÞ᳛⊤r¹opᦑ஺='=*=10mzs,0.3ভ.}=láâᡂḄ☢ä⊤rÌᑣfgÌᜧ¶x=+x0.3=0.12m244.ᙠ“æ`=opzᓄlḄᐵ”Ḅ¡7¡èéêḄëpᦪ஺ᡠᵨ᝞ᡠrìg¶ᳫ<8,m஺ᐹïðñ᝞:“4!óéᏉ*¥0(1)G¶ᳫ®ᙠᩈVᩈVõö÷øªÁ¶ùp×O⊝᥅஺ফGüý,OMḄèéêªöeᙠᩈVþöḄOÂÿᘤᳫᳫP(M)OMḄh,OPḄI2,ᘤᦪF,ᑣḄ!"ᦪ(ᵨFஹhஹ12⊤)஺(3)ᳫ(Pᵫ☟+,-ᙠM/-01!ᘤ23ᘤᡠᙠ50Ḅ1!V஺ᳫ62᪷ஹ3᪷…9:;<=3>?1!ᦪ@᝞B⊤ᡠ஺

511᪷2᪷3᪷4᪷5᪷6᪷KLW2W3W4W5W6W1!(y/m-sT)1.011.411.732.002.242.451!MN(*/m2-s-2)1.021.992.994.005.026.00ᙠᙶ᪗"FGஹH<3W-V2IJ஺()(4)ᵫIJ2OKLPᳫQḄ1!Ḅᐵ"SKLPᳫQḄ1!MNᡂUVᡈW8V2ூY᪆௃ூ\Y௃(2)[1]᪷]^_`aᨵ:F=k(h-lt)dḄ!"ᦪ:ব[2]K3W~2Ie᝞Iᡠ:

52i(4)3ᵫIe2OW-v?IefḄᩩhHᡠiKLPᳫQḄ1!Ḅᐵ"jKLPᳫQḄ1!MNᡂUV஺45.᝞I(ᵬ)ᡠ5lmᑭᵨᐝᵯqrᘤsᘤᩞK“vwxyz{ឤ`a”Ḅ~v.ᨵhdஹmḄᳫᵫAᜐ(☟+,-B=FzAᜐUBNஹ`BᜐḄᐝᵯAஹBḄH(H»d),ᐝᵯqrᘤBᳫᐝᵯḄrt,ᙢḄ91!g.!J“ᳫI计器(1)᝞I()ᡠᵨ᪗ᓱᳫḄhd=mm.(2)ᳫᐝᵯBrḄ1!⊤.(3)>ᦋ!H,9:6~v<3HḄᓄIe᝞I()ᡠIF¡OজஹHo£91!g¤ᳫḄhd¥¦iB⊤jr2ᑨ¨ᳫB=Fxyz{ឤ.ூ᪆௃ூ௃পª«᪗ᓱḄ¬ᦪ7mm,᪗ᦪ0.05x5mm=0.25mm,!JᳫḄhd=7.25mm.(2)ফ᪷]᩽°rᑁḄMᙳ1!s³r1!OᳫᙠBᜐḄ³r1!_dVB=-i(3)3ᳫB=F9´zḄµmgH஺¶zḄ·

53¸xyz{ឤᨵ:2*0ᓽ46.ºᙊ¼½¾¿ḄᵯÀ᳛ºlmÂqÃ᝞B~v஺(1)ᵨÄÅÆᘤÇḄh᝞Iᵬᡠmm,ᵨ᪗ᓱÇḄÈ!᝞Iᡠ,___________cm஺—=-15234cm____501020IᵬI(2)ᵨËÌÍξ¿ḄËÌᱯឋÑH᝞Iᡠᑣξ¿ᩞᧇḄᵯÀ᳛PᨵᐵÓÔᵯÀ᳛ÎᱥᳮḄ·ᜧØ(Ù“·ᜧ”ᡈ“µ”)஺(3)¸Úξ¿PÀ@4.0QḄ`@ᵯÀÛὶÝᙠᵯÞᵯ¶´3.0VஹᑁÀ1.0஺ḄᵯÞß,ξ¿ḄàL᳛Wo(áᶇß5ᨵᦔᦪä)ூåᫀ௃0.6002.060ç!·ᜧ0.45ூY᪆௃ூ\Y௃(1)[1].ÄÅÆᘤḄᦪᵫ`è!£2¶è!ßéᑖ?ᡂhd=0.5mm+10.0x0.01mm=0.600nim[2].᪗ᓱḄᦪᵫ`è!£᪗6Ḅᦪßéᑖ?ᡂÈ!L=20mm+12x0.05mm=20.60mm=2.060cm(2)[3][4].ᵫÑH2ë3ç!ᓣᵯÀ·ᜧᵯÀ᳛·ᜧíবম.ᵯÞP4.0஺Ḅ`@ᵯÀÛὶ?ᡂsᦔᵯÞᨵU=E-I(R+r)=3.0-(4.0+1.0)1=3-51

540.60.50.40.J0.20.100.5I01.52.025JOJ5IAᙠðñËÌᱯឋÑHF<3ᵯÞḄU-IIeßIeḄòᙶ᪗@jU=L5V,I=0.3AðñL᳛P=UI=1.5Vx0.3A=0.45W47.ᵯÀ᳛óᵨᩭ⊤ᔜöᱥᵯÀᱯឋḄᱥᳮ஺ºlmᙠ~v÷ᙳᒴùᩞᧇᑴᡂḄᙊ¼¿ḄᵯÀ᳛஺1ᵨÄÅÆᘤᐸüý☢h᝞IᵬᡠᵫI2Oᐸhmm,᝞Iᡠᵨ᪗ᓱᐸÈ!cm,᝞Iᡠᵨ>ᵨᵯ⊤XI஺ᢱᐸᵯ-40-35-302◤ᙊḄᵯ◀ᙊR᜜ᜓᨵḄ஺ᘤᩞ᝞"⌕$ᵯ%&Ḅᵯ'(⁚+,ᜧᑣᵯ'⊤0⌱______,ᵯ4⊤0⌱_________,567ᘤ0⌱_________஺8ᙳ:ᘤᩞ;Ḅ<=>?@A.ᵯ'⊤Vi8A3V,ᑁC15kCB.ᵯ'⊤V2A15V,ᑁC75kQC.ᵯ4⊤Ai8A1.6A,ᑁC1஺@DD.ᵯ4⊤A28A3A,ᑁC1.2஺@DE.567ᘤRi8E+1~5C,1.1AF.567ᘤR2E+12111C,1.1AG.F4ᵯGE8ᵯ6H3V,ᑁIJ@H.KᐵS,MNOP஺3QRJᔠᳮḄᵯUVWᵯUXYᙠ[N᪾]஺

554O4_ᙊḄᵯ4Lᙊ%&Ḅᵯ'U,ᙊ`a☢ḄFcdefᑖhᵨDஹL⊤kᑣᵨDஹLஹIஹU⊤klᙊᵯ᳛Ḅᐵno஺=ூrᫀ௃1.8441.842-1.846ᙳu@4.2416ூv᪆௃ூxv௃yz{ᘤḄ|ᦪ~f|ᦪ+u6f|ᦪ+|ᵫ⚪XᵬᙊḄFcf|ᦪᓝ|ᵫ⚪XᵬᙊḄFc1.5mm+34.4xl.llmm=L844mmᵫᑣl.842mm~l.846mmᙳuফ᪗ᓱ|ᦪ|ᦪ+᪗|ᦪxfᵫ⚪Xef42mm+8x1.15mm=4241mm=4241cmবᵨᵯ⊤Ḅ|ᦪᵯḄEᐸᵯ6஺ফভমᵯᜧC6C,Oᵨ567ᘤR28E+0~2000஺0.1A@(⁚Iᵯ4ᡠ0ᵨ567ᘤRi8E+0~5C,L1A,ᵯGᵯ6H3V,ᡠᵯ'⊤0⌱3VAḄᦪ567ᘤ0ᵨᑖ'¡¢ᵯ'⊤ᑁᵯ£ᜧᙊḄᵯ£ᦑ¥ᵨᵯ4⊤᜜¡¢£DᵯU]Ḅᵯ4C

56ᡠᵯ4⊤A0⌱1.6AAḄ஺ব¦᪷¨ᑖ᪆RJḄᵯUX᝞Xᡠk(4)[8]ᵫ/=4R=8SªR54nP2UP=41L48.Xᵬ«¬®¯ឤ±Ḅ²³´µᵯ¶·¸ᑴḄ·ᳫ»Aᜐ½ᵫ"¾¿ÀJÁᘤ(X]ÃYÄ)ÆÇ"·ᳫ_µᐝᵯÉBḄᢱᐝÁËt,·ᳫḄFcd,ᵨÌÍᳫ_µᐝᵯÉÁḄÎf,tÏÐÑÎfgoóᵯôõ*ᔤ÷ᡈஹஹ_NI_____________11111111tti11tliiiiiÒᵬপᵨ᪗ᓱª·ᳫḄFcd᝞Xᡠkᑣd=mm(2)]◤⌕ḄᱥᳮÕDA.AÖᙢ☢ḄØfHB.AஹBÙËḄØfhC.·ᳫ»A"¾ᑮBḄÁËtAB(3)⌕«·ᳫ"¾µA]¬®Õᔲ¯ឤÜ◤«ÝoÕᔲᡂßᓽu(ᵨ]ªᱥᳮḄá?⊤k)D(4)âªᳫ6®ḄãÑAEkäÕåᜧÏÐH®ḄæAEp,çèu®Õ஺(ᑏÄêᓽu)

57ூ´ᫀ௃5.4Bd2=2ght2ùúᳫ9ü.Î^ý3Åþூ·᪆௃ூ¹·௃ᵫ¦¡ÂP᪗ᓱSPS¥10ᑖ0.1mm,5mm,“4”,ᡠᦪ5mm+0.lx4mm=5.4mm஺(2)[2]AB.⚪◤⌕ᵨᑮᓄᦑ◤⌕AB!"Ḅ$%◤⌕&⍝()ᙢ☢Ḅ$ᦑA┯-B./C.0⌕ᑨ2mgh;mV?ᐵ5%◤⌕&⍝67ᳫ9A:;ᑮBḄ<"tABᦑC┯-஺ᦑ⌱B஺(3)[3]ᑭᵨ67ᳫ?@ᐝᵯCḄDᙳFᩭHIJ

58ூxv௃ëìëÐFíëìefLḄᐵnXîḄï᳛⊤kðfnᦪᑣðfnᦪ5kN/m=156N/m0.052-0.020(2)¼2H3¿ᵫX]ᦪñᔠòó±ªᑮëìëÐᜧFíᐸefLḄᐵnoE==1561—0.02)ᑖ᪆XîuXNí`ôḄᜳö⊤këìḄçe50.ᵨ᝞Xᡠk²³u«¬®¯ឤ±÷ø%&nḼúûÝḄᱥAஹB,ᱥB¨üýþᱏC,ᙊᙊᜐᙠᱥBḄᱏCᙊḄh,AஹBஹCᡂḄᵫ☟#$%.'ᱥB()ᙊ*ᱏC+ᤁ-ᙠᙊ./ᙠHஹP2ᜐḄᐝᵯ23)ᵯ45*ᘤ789ᱥB3)PiஹP2:;<=Ḅ*.(1)>8?PiஹP2@Ḅ<=d,ᱥB3):;<=Ḅ*t,ᑣᱥBB()ᙊCḄDv=(2)>ᱥAஹBḄEFᙳᵨM⊤JᱏCḄEFᵨm⊤JKLMDg,NOPQPRSTU____________ᡂWᓽ7PRYZ[\ឤ^.(3)_OPQḄ8F`ᘤ◀bcஹᐝᵯ2ஹᵯ45*ᘤ᜜e◤⌕.h(a#ூkᫀ௃d/tmgh=-(2A/+m)—ᜩo2\>ூp᪆௃পᵫsAஹB.ᱥḄEFtT'ᱥB3)ᙊᱏC+ᤁ-ᙠᙊCAஹBuᒴDwxyzᦑᱥBB()ᙊCḄD|=:.(2)AஹBஹCᵫ᝱ᱏC+ᤁ-ᙠḄᦟQḄKL[,=LMḄz[=3(2+m)/=3(2+᪷)h.>mg/i=g(2M+m,ᑣ7PRYZ[\ឤ^.(3)⊤U7?_OPQḄ8F`ᘤ◀bcஹᐝᵯ2ஹᵯ45*ᘤ᜜e◤⌕ᩭ8Fᱥ

59ᱏḄEF.51.⌕8FᵯḄᵯzᑁ஺ᵨḄOPᘤᩞᨵF0~0.6Aᵯ£5Ḅᵯ¤⊤¥;§ᙳ6஺Ḅ§ᵯ¨¥©ªᐵS¬x>஺᪷®OPᘤᩞ¯°±²59᝞´ᵬᡠJḄᵯ·´ᐸ¹⌕OPº»¼½᝞প¨/6஺Ḅᵯ3)¾ஹ¿ὶT£¯ḄᔠU7Â?ᑮÄ/£¯§ḄᵯR,⊤QÅᑡ9RḄ£¯§஺ফÈ£¯ᔠU?ᑮḄᵯRᑖÊËᐭ´ᵬᡠJᵯ·ḄMN@78?ÄᵯRÍÎᵯ¤IḄᦪ®᝞⊤஺বÂ;Ñᙶ᪗ஹRÔᙶ᪗᪷®⊤Qᦪ®ᙠ´Õᙶ᪗Ö»9;-/?´Ú஺(4)᪷®´ÚÛ9ᵯḄᵯzE=Vᑁr=(ÝÞᙳßᶇ.áᨵᦔᦪã)=1•・S===||・・ii==三M・・*=|=■・・ii|三・・S=1・i三_一・・_¨•・iaa|三_=■•一1三■・i・=・居”■"H■iei一iiIiH0=i•一•=三三==三三==三1==!Bᦪ1234567⚗W234691218UK0.590.500.430.330.240.200.141/AM1.692.002.333.034.175.007.14/(5)Nᑭᵨòᵯ·8Fóᵯ&Ḅ§஺ÈóᵯõËᐭᵯ·MNᵯ¤⊤Ḅöᦪ0.25A,7?÷8ᵯḄ§Q.(ßᶇ.áᨵᦔᦪã)

60(8.49.2)ூ᪆௃ூᑖ᪆௃ூÒ௃(3)প?@}KÓÓ;-R-/A-1'/ÔᔠV&1,7.1-1r,——k—-----©—=1E18EWE=2.95V,r=2.95Q

61(5)[4]᪷ᑖ᪆E/?=--r=8.85Q(I52.ᨵḄᔂᘤ᝞!ᡠ#$ᘤ%&'(ᳮ*ᘤ஺,-./012Ḅ34546ᙌ8ᦪ:ᐜᙠ=ᔠ?@ḄAB?CᜐEFGH1008IᒹKL6MNKL6OBPᳮ*QRᵯ⊤᪀ᡂ=ᔠWX஺Öᗔ(1)ᙠ546ᙌYZOBḄ[6\A]ᐭ12V_QRᵯᳮ*QRᵯ⊤#ᦪ`60V,ᑣ546ᙌḄ8ᦪ`________8cᙠ346ᙌYZOBḄ[6\A]ᐭ12V_QRᵯᳮ*QRᵯ⊤#ᦪ`30V,ᑣ346ᙌḄ8ᦪ`_______8஺(2)d346ᙌYZOB[6\[ᐭḄQᵯef⊤g`u=311sinl00nt(V),ᑣP546ᙌYZOB[6\h[ijḄᳮ*QRᵯ⊤Ḅ#ᦪ`V஺ூlᫀ௃200400110ூo᪆௃ூpo௃(1)[1][2].ᵫᳮ*ᘤḄᵯP8ᦪᐵs4=tU%2546ᙌḄ8ᦪ`”,=—n=Uxl00=2082U60346ᙌḄ8ᦪ%=4஻=ux100=4081U30(2)[3].vQRᵯ⊤Ḅ#ᦪ`ᵯᨵᦔx$ᘤ34ஹ546ᙌḄ8ᦪz`21,ᵫa_U%2P546ᙌYZOB[6\h[ijḄᳮ*QRᵯ⊤Ḅ#ᦪ`uov.53.,-.ᵨ!(a)ᡠ#Ḅ|}~ឤᐸᡭfᘤḄᵯ`QRᵯᵨḄ⚣᳛ᨵ20Hzஹ30Hz40Hz,ᡭḄᑖ᝞!(b)ᡠ#.

62ᡭf$-.ᙠᨵQRᵯḄ⚣᳛/,◤⌕ᵨᦪᐸᩩ¡.1d¢ᡭḄᑨ¤ᱥᒴ§¨©ªᑭᵨ/!b¬Ḅᱥᳮ1ᑏ:ᙠᡭfᘤᡭBf¤ᱥ©ªḄ¨®ᜧ°`,ᡭCf¤ᱥ©ªḄ¨®ᜧ°`,¤ᱥ©ªḄ§¨®Ḅᜧ°`.2±0²S]=8.89cm,5=9.5.cm,.v=10.10cm³¤´§¨®ᜧ°`9.80m7s2,µ¤ᱥ¶ᑮḄ23¸ᙳº´ᜧ°»`ᐸ¤´Ḅ1%.ᵫ¼¡f`Hz.ூlᫀ௃JS|+S?/^5,+Sfc½.¾-y/2403ூo᪆௃ூᑖ᪆௃ூpo௃1À]ᡭBf¤ᱥ©ªḄ¨®ÂÃACÄḄ¸ᙳ¨®ᡠ=^^=gS|+$2/[2]-ᳮᡭCf¤ᱥ©ªḄ¨®=^1^=52+$3/বᵫ§¨®ḄȲ஺É”½…ÌÍ2[4]ᵫÎÏÐɲ:mg—kmg—nut,o²:Ñᐭᦪxo²:f=40Hz.

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73ூ᪆௃ூᑖ᪆௃ூ௃(1)[1]᝞ᡠ}(2)[2H3n4]ঞpqᜐ⊝b᝱'rᵯ(⊤Ḅ}ᦪI;045Ḅ>^m2টDḄ&|1;(3)(4)[5][6].ᐵSX.Dᵯ(Dz0DᡠpzMg=m1gShᔠeDᨵᵯ(¡¢ᡠᔠz()Dᡠᔠz%ᡠḄz᝞£m2>miᨵmig=mig+BILᑣzᔣᔣJ᪷¦¡§ᑣ¨~|ᔣᔣ᜜'᝞£mzVmiᨵni2g=mig-BILᑣzᔣᔣ©᪷¦¡§ᑣ¨~|ᔣᔣ'ª©ᡠ«ᑣ¬®gLJ•II63.n¯°±ᙠ²³ᡃµḄ¶·¸¯°ឋºḄ»¼ᐸ½ὑ᪗ÀÁÂp⌕ÃÄů°½ὑ᪗ÀᨬL⌕ḄÇÈᐸᙠɳᡠᑮḄQË+z஺͵Îϯ°ᙠÐ{ÉÑᡠᑮḄQË+zf(ÓfÔ+)L⌕Ö×ÇÈᨵᐵR¯°±☢ᢗÄ☢ÙS¯°ÉÑ{|voÚẆÜÍᕒᙠ¯°ÔÞEFßàáâãEFᑮJ⊤ᡠᑡᦪ¦R2g3gä5WWSin?/ñ2620a464823129W1860஺2.5஺258஺580/1032a1614P232ò36309஺69g1239஺193g278ó3.5஺361஺812«1445஺225ᓽ3252஺4.0454122928/1652஺258W3717eজᵫ©«ᦪ¦¯°Ô+fÖ¯°±☢ᢗÄ☢ÙS毰ÉÑ{|vḄᐵçèf=(⌕éᵨk⊤}êëçᦪ);

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86ᵯ᳛p,ᑣPḄ⊤®I(ᵨᡠᨵQ_Ḅᱥᳮ_Ḅ±²⊤)(4)᝞⌕´ᵯ,⊤AḄ-ᦪ«µp¶·᪷¸wᵯ*¹º\ᩩuᦋ¼ᙠᵯ*w¸஺()2ூ¿ᫀ௃2.00()5.0N=ᵯGᵯnÂᨵ3V,ᡠᵯ⊤_iÃᜧ4.5AஹCFR*ூB᪆௃ூᑖ᪆௃ூÆB௃(Dপ᪷{|Q}ᘤ-ᦪÈᑣ-ᦪ=2.000mm஺ফ«w¸2Ê⌱epᐵËᙠ“xlᢱ”᪷-ᦪÈᑣ-ᵯ=5.0஺஺(2)[3]N=ᵯGᵯnÂᨵ3V,ᡠᵯ⊤_iÃᜧ஺[4]ᦋᡂ_i=3VḄᵯ⊤⌱ᵨᵯ,⊤Aᦋ◤⌕ὶḄᵯমᵫᡠ´ᵯaḄᵯj=5C,%ḄᵯJÏÐ3V,ᵯ,JÏÐ0.6A,=´ᵯ⊤-ᦪÑ_iJÐᜧᡠᵯ,⊤⌱A¦C஺Ò>=0~lkdl"ᵯ,=0.5AḄᘤ>Ãᜧ=ÓÔÕ⁚ᘤ⌱ᵨF஺(3)[7]᪷ᵯ"#¦!"#ᨵIR_L2N×pḄ⊤®IithRD2P-4L(Z,-/)2(4)ÒN=⌕´ᵯ⊤-ᦪ«µp¶ᡠᵨᑖ®ØÙᵯ⊤ḄᑁÚÛQᵯᜧḄᦑÝᵨᵯ,⊤᜜Øᦑß᦮Ḅᵯ*w᝞wᡠ4Z3R*73.V]Eᵨ᝞wᵬᡠḄQ_ᙽâᩈäåḄ᥅çNᦪ஺ᡭé:ᘤê"ᙠᩈä¸ᙽëḼíÐᡭé:ᘤ▲¥ïḄðñ«ᩈä¸`஺wIᡭḄ\òðñ஺

87ᡭᘤ71<ó3ᡭé:ᘤôᵨḄõ,ᵯ⚣᳛=50Hz,⌱÷AøGḄ7ré=:ᦪéùᔜ:ᦪéåᙳᨵ4réRᨵ¼QC3ஹaDஹEஹFஹGᔜéᑮAéḄýþÿ5.29cmJ1.05cmJ7.30cm>24.01cm31.22cm38.92cm.ᵫᙽḄa=m/s?ᶇᨵᦔᦪ஺72<᥅!ᦪ"#$ḄᱥᳮᨵoA.ᩈ)Ḅ*LB.ᩈ)Ḅ+,-./Ḅ0/?C.ᩈ)Ḅ34D.ᙽḄ3/E.ᙽ5Ḅ67f73<ᙽ8ᩈ)7Ḅ᥅!ᦪ஻=ᵨ⚪=ᔜᱥᳮḄ?@ABCDg⊤F஺ᵫGHIJKᙠMNOPḄ᥅!ᦪQR“Tᜧ”ᡈ“TXgh-aLூZᫀ௃7<.480AB&FTᜧூ]᪆௃ூ_]௃71<¨1Tᡭab6ᘤdᵨḄefᵯ⚣᳛50Hz,ᡭaᕜk0.02s,ᵫGᔜbᦪal7ᙳᨵ4naoᨵpq"ᦑstunbᦪal7Ḅ677◞T=5x0.02s=0.10s஺᪷xBஹCஹDஹEஹFஹGᔜaᑮAaḄ{|}b~qstbᦪal7Ḅ{|"ᑭᵨ⌲PᙽḄ=0.480m/s272<ফᙽᩈ)"ᩈ)8☢7Ḅᜳ஺"ᵫᨵmgsin0-/umgcos0=ma᪷xᐵMsin”egh-aLὶ]“=g/e-h2,!᥅!ᦪ"$Hᩈ)Ḅ*ᩈ)+,-./Ḅ0/?,ᦑABᔠ⚪"CDEᔠ⚪:ᦑ⌱AB஺gh-aL73<¨4Tᵫ72<"஻=ᵫG¡¢oᨵὃ⇋ᙽ¥Ḽ§¨5©ª=§¨«ᑮḄ¬D"ᡠga2'P

88}Ḅ᥅!ᦪQTᜧ஺74.¡¢X®¯ᵨ᝞±ᵬᡠF¡¢IJᩈᙽ8ᩈ)7᥅!ᦪX³´Ḅᘤᩞᨵ¶¨·Ḅ*ᩈ)"ᨵ¸¹Ḅᩈᙽ"320gḄºṹ¼½"ᡭab6ᘤ"ᵯ¾"§¨"¿ÀÁ.¡¢=ÃÄᑖºṹÆᢞᙠ¿À"ᒕÉḄºṹÊᙠᩈᙽḄ¸¹="ᢝ*ᩈ)"ᑭᵨᡭqḄ§¨ᩈᙽḄ.4.0TLHK」十卜2.0rzᵬmf(-10kg)八i,rrA:二44工-Jr-Al-v+ucr—2.0vrT二rrA二IL;.-U4.0(1)ÒÓÔÕ¡¢Ö×"ᑮØᩩ§¨"ÚÛnÜᨎḄᡭaÞß"à᪗â0ஹ1ஹ2ஹ3ஹ4ஹ5ஹ6,ᑖãqJ0ᑮJ3ஹJ67Ḅ{|"᝞±ᡠF.äᡭaᕜkT=0.02s,ᑣᩈᙽḄ2=________m/s2.(2)Ãᩈᙽ¸¹=Ḅºṹ⌲næᑮ¿À,"ᦋèÆᢞºṹḄé3m,s$Ḅa,×qaØm±ê᝞±ëᡠF.äìᙢCDg=9.8m/s2,ᑣᩈᙽ8ᩈ)7᥅!ᦪp=(ᶇuᨵᦔᦪ)ðMḄñ_______(⌱R“ᜧG”“XG”ᡈ“ÁG”)ó¡ñ"ô!_________________________(ᑏqØnᓽ).(3)¡¢=(⌱R“◤⌕”ᡈ“◤⌕”)ùúÆᢞºṹé3ûXGᩈᙽ¹=ºṹé3.ூZᫀ௃(1)3.33(2)0.32-0.36ᜧG·8üýஹ¿À7ᨵ᥅"§¨8ᡭab6ᘤ7ᨵ᥅Á(3)◤⌕ூ]᪆௃(1)äᡭaᕜkT=0.02s,᪷x⌲PᩈᙽḄ¶x-x(8.20-3.50-3.50)xlQ-23603=3.33m/s29T2ߟ9x0.022(2)ᩈᙽḄ3M,᪷xᨵ"mg-f^{M+0.02)a,/=+0.02—m)g,ὶ]¶&=஻+,L"-4gᵫm=0a=஻g=3.3m/s2ᑣᩈᙽᩈ᥅ᦪ=0.34,ஹᨵ᥅ᡭᘤᨵ᥅ᡠ"#$%ᜧ'(1t)%.(3))+,-ᨵ.ᵨ012'31ᡠ"4◤⌕789ᢞ;ṹ=>$?@'ᩈᙽAB,;ṹ=>$.75.CD#EFGHḄᵯK᳛M)+@NOPQFGH0RSTEᙠVWXᐸZ[\C]^P@FGᜳᜳᙠFGHX`ᙠFGHX.abᡂ"dᑁf.

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115ᵯh⊤ᑁNÃᜧÄᵯÅᑁN1Æᵨᵯf⊤᜜LᦑᵯÉG[ᱥGᑖË᝞Gdஹeᡠ}97.ÌÍÎᵨ᝞Gᵬᡠ}ḄÏÐÑÒÓḄÒឋZÕÖ×Ø-ÐÑÒÓÙÚÛᙠᐝÙÚ☢¡ßàáâà.ᳫäåá஺ÒÓᜐÄᳫᙠA£ᔣßèᳫhéÒÓC£ᵫ☟ìíÛ஺ᵨ⚣ï᯿;ᑮᳫñC£ᑮB£Ḅ᯿ᱏ᝞Gdᡠ}஺òó⚣ï᯿;⚣便◞)T,õöᜧ)g஺÷øbᑡú⚪CABNᵬপý[\þÿḄឋᳫḄᱏ஺◀ᱥᳮ᜜!"#◤%ᑡᱥᳮ'Ḅ)*+,-ᫀ᪗01஺A.ᳫḄ2mB.CஹA45C.C>B45SeeD.AஹB45qBE.ḄAxF.672ᵨᡠ⌱;Ḅ<⊤>E,?=»kবᵫDEF☢HIJKᐝMḄឋNOPQR)*“Tᜧ”“T”ᡈ“ூ-ᫀ௃ADZT1QT2ூ[᪆௃ூ][௃1,ᳫḄ4=]஻"^_◤⌕ᳫḄ2m,ᳫḄabᜧvcdefAஹB4Ḅ5gᔠifjkḄ4lmᡠdAD⚗Ḅᱥᳮ◤⌕ᦑ⌱AD஺ফ[2]ᳫḄ

116=—mv22ᵫ☢ᐝᑣ/ᳫ3AᑮBᒴFᑣ5Ḅᜧ/ὶ]vlḄ⊤2E;k18T2(3)[3]ᵫi☢kᐝ/ᳫᙠ$᥅¢£¤¥ᓄᑁl¦§.¨Ḅឋªl«ᨵᐰ¬¥ᓄ/ᳫḄlᡠq}vḄឋªl/iᐸ®"஺98.ᙠ}!¯<°ᵯ±Ḅᵯª²ᑁᵯḄ"#$ᦟ´µ,ᑡᘤᩞ¶A.·}Ḅ°ᵯ±B.ᵯ¸¹ᘤ1C.ᵯ¸¹ᘤ2D.ᘤR(0^20Q,2A)E.!ᵯR(2000஺)oF.5ᐵ²¦F»°¼½¾¿ÀÁÂᘤᩞ$«ᨵᵯ¸¹ᘤjÃI,ÄÅᵯ¸¹ᘤiÆÇÈ,᝞Nᵬᡠ+ḄᵯMᩭË(1)ᙠ"#ÌÍ$᝞ÎᘤḄᱏPᔣÑᑣᵯ¸¹ᘤ1Ḅ+ᦪÎ;(⌱Ò“ᜧ“kᡈ“/)(2)NÕÖ½¾ᑭᵨ}IḄ"#ᦪ>ØIḄÄÅᵯᓄNF(Ù¯ÚNÛ)ᐸ$L\ஹ1BᑖÝÞ⊤ĸ¹ᘤḄ+ᦪjkßàᑖÝÞ⊤áÅᵯ¸¹ᘤḄ+ᦪ஺Câ᪷>ᑖ᪆ᵫNFÈäå}ᵯ±ḄᵯªE=V,ᑁr=Qæ(3)ᵨÁÂA}IḄᵯ±ᵯª²ᑁᵯç®"WèE,ro(⌱Ò“éᜧᡈ“é/”)ூZᫀ௃/3.02.0é/é/ூ]᪆௃ூᑖ᪆௃ூ_]௃(DHLᘤᙠᵯM$%ëᑮ?⁚ᵯḄÍᵨᱏPᔣÑR./ᵯMᵯ./

117ᵯᜧᵯìᑁÁᵯᜧᑣMíᵯ./ᓽᵯRoÁᵯ./ᵯ./ᓽᵯ¸¹ᘤ1Ḅ+ᦪ/஺ফ[2]x.ᵫðᔠᵯMòó!ô{vLRo=E-(Ii+I)r2õv/,=-----------A&+r9+ᔆ~ᵫᦪ¾|{|NÛ$Ḅk=—^—4+7ᵫN{|b=1.50k=lxl0-3]vE=3.OVr=2.0Qo(3)[4][5].ø"#$¸¹ᘤ1ç!ᵯùὶᐙûᵯ⊤üᵨᵫiᵯ¸¹ᘤ1Ḅᑖüᵯ¸¹ᘤ2$ᵯ}/i®"ᡠ}QÈäIḄᵯ+ᦪopḄûᵯMýMᵯ⊤Ḅᑖ{qþᶍᦑᵯḄᑣᵯᔣ᝞ᡠᦑᙶ᪗Ḅ!ᵯ"#$%!&Ḅ'᳛)ᜧᦑᑁ,#$%!-./%஺99.1234ᘤḄ᪶78ᑖ:;<=>ᵯ,஺?@᜜B!CḄDEᙠEGHIJK#ᵯ,LMᑭᵨᡠEPQᩭ#$ᵫ?TUVᑴᡂḄ=>ᵯ,Ḅ,%஺YZ⌱\Ḅ/]ᘤᩞ᝞_A.`ᵯaᵯ"E=6V,ᑁ,&B.bJ⊤Ai$d6()0mA,ᑁ,e0.5QC.bJ⊤A2$d10mA,ᑁ,RA=100஺&D.f%ᵯ,Ro=4OOQE.g),ᘤR=5Q

118F.h#=>ᵯ,R”iᐵஹlmno஺প/]⌕rstᙠ0~5Vvᑁwxᙢz=>ᵯ,Ḅ,%R,{|#$}ᙠᵬḄ᪾/]ᵯ.(2)?#$ᔠiᐵS,bJ⊤AiḄᦪhbJ⊤A2Ḅᦪᑣ=>ᵯ,,%Ḅ⊤Rt=(ᵨ⚪Ḅᱥᳮ$⊤)஺(3)!CḄDEᑭᵨᵬᵯᢥ᯿Ḅ/]ḄL-h᝞ᡠᵫYP=>ᵯ,Ḅ,%bJ⊤A2ḄᦪḄ¡ᜧ¢;(£“¡ᜧ”“!”ᡈ“)9.68.06.44.83.21.601020406080100i/tKᔁ0MNM“mApqrs(4)!CḄDE§¨©▅«ᧇP=>ᵯ,Ḅ,%12Ḅ)ᓄᐵ¯᝞°ᡠ஺±=>ᵯ,²ᐭ᝞´ᡠᵯᵯᵯaᵯµឤ9V,ᑁ,ᳮ·ᵯ⊤ᦪ0.7A,f%ᵯ,Ri=30Q,ᑣᵫ¸¹ºYrf%ᵯ,R2Ḅ,%஺»¼UV=>ᵯ,Ḅ12,2(8+¡ᜧ17.555ூ¿᪆௃ூ¿௃(1)[1].⚪ÃÄᨵᵯµ⊤YᵨÆPᑁ,Ḅᵯ⊤A?f%ᵯ,RoÇὶ᪀ᡂ$d஺=4(l+K))=0.01x(100+400)V=5VḄᵯµ⊤&g),ᘤᵨᑖµᵯᵯ᝞:(2)[2].ᵫᵯYP2y+4)

119Ì(RA+&)(3)[3].᪷ÎR,=21A3YURA+R/K]ᑣ=>ᵯ,Ḅ,%bJ⊤A2ḄᦪḄ¡ᜧ'᳛&+%|&)ᜧYPRt)ᜧ஺R,(4)[4][5].§¨RiḄᵯI,ߟߟߟߟ0.3AOᑣ§¨R2RtḄᵯ0.4AᵫL-LÓYPL=4mA,»¼R,ÔÕᵯµ2V,ᑣR2ÔÕᵯµ7V,ᑣ7R,=—Q=17.5Q20.4R,=—Q=5Q'0.4᪷ÎR-tÓYPt„14R,=F1+-'153¿t=55࠷100.?/]!CÖ×ØÙḄÚ2¯ᦪkᐸÜ2(ᙌᦪ)Ḅᐵ¯./]Þß᝞ᡠ_;ᙳᒴÜØÙâ`ãᢞ7<ᢣ┐P஺ஹPiஹP2ஹP3ஹP4ஹP5ஹP6ᑖçèfᙠØÙ¸éã0ஹ10ஹ20ஹ30ஹ40ஹ50ஹ60ᙌᜐ&§¨ëìâ`íßḄî2ïYðᢣ┐ḄñßPoᢣᔣ0î2.ØÙÕòᢞóᱥ¼ᔜᢣ┐ḄñßX஺&ᢞᨵõ$0.100kgḄöṹ¼ᔜᢣ┐Ḅñßx.#$øùú8ᑖøù᝞⊤ᡠ(nØÙḄᙌᦪóûüý2þ9.80m/s2).ÆP/]ᡠᵨØÙÿᙌᦪ60,᦮Ḅᵫ11.88cm.ấṹ(1)⊤ᦪ⊡ᐙ᦮জ;ঝ

120PipP3P4Psp26xo(cm)2.044.066.068.0510.0312.01x(cm)2.645.267.8110.3012.9315.41n102030405060k(N/m)163জ56.043.633.828.8(m/N)0.0061ঝ0.01790.02290.02960.0347(2)nᙶ᪗ᙶ᪗ᙠ!⚪ᔁ$%Ḅᙶ᪗&'(%l/k-n)*.(3)⚪(2))(%Ḅ,-./012345.6789ᡠᵨḄ<=ᙌᦪnḄ>?@ḄABᦪkCᐸᙌᦪnḄᐵBḄ⊤FGk=N/m@ḄABᦪkCᐸᵫ1(ᓫ;0Jm)ḄᐵBḄ⊤FGk=N/m.ூ!ᫀ௃(1)জ81.7ঝ0.0122(2)᝞)ᡠO(3)(1.67—1.83)xl03/n,(3.31—3.62)/1)(P⚪ᑖ᪆:,mg0.1x9.8Nপজ'᝕=81.7N/m(5.26-4.06)xl02mঝL=—Lm/N=0.0122m/Nk81.7(2))-᝞):

121hl(rtvN)004003••W••-••-M•.■0.02••.•.■••.■BIW•.•.■».».r.001.m..•.,»,?•••.03ঞᵫr?c?Ḅ᳛,ᦑ?:=*ᓽJ71xl)yN/m)ᙠ60k60n1.67xl()3183x1()34ᙳc1nn_n60i71xICT3টᵫD6஺Ḅ¡7bU.88cmᑣnḄ67T=£¤¥'§ᐭ©mḆc,3.38~3.313.62:«=¬.(ᙠ-----14ᙳc)0,0’0ὃ¯°Ḅ±b²ᦪP´;

122

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