北京市朝阳区新高考物理基础100实验题狂练含解析

北京市朝阳区新高考物理基础100实验题狂练含解析

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时间:2023-04-20

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9dPṹḄṹḄm2Ḅ+PṹḄ+஺ᦑC┯஺1L1|D.ᵫd஺=——-^஺-ᡂᡠeS“--஺ᦑD¡஺mmm22211஻1124᪷d¢g-஻᝞g=¢஺£ᔠ----஺d6——=-+----a,ᵫcd6Pmmmg22tṹḄA=1ᩈIJḄK᥅*LᦪA஻==஺gkgk134;S|=L24cm,S4=2.62஺“ᨵ¦§s”-.=ᓄ©d6a=ª-~x1o2/2-0.46/72/52m53¬3x0.128."#ᙠ“Ẇᱥ°±ᒴy=>gK³”Ḅ<ᑭᵨᡭ\[ᘤ·ᵯ⚣᳛A50Hz4¹º&»¼KḄTUḄgKrs½¾ᐸ<ḄAஹBஹCஹDஹEஹFஹGÁu[ᦪ\ÂÃẆ·vYZÄu[ᦪ\ÅJÆᨵ4u\ÇÈSª஺ᐸ<᳝=0.70cm,x=1,62cm,x=2.75cm,x=cm·Ê234<˾ªx=5.65cm,4=741cm஺ᑣᡭ\[ᘤᙠᡭD\Ḅ1%=m/s,5Ḅ஺=m/s2o·[f£ÌᙳÎᶇᑮᦪ\Äaªூjᫀ௃4.10cm(4.09~4.11cm)0.12m/s0.21m/s2ூm᪆௃ூom௃[1].ᵫËSÐ=4.10cmdYZÄ[ᦪ\ÅJḄJJ◞AT=0.1sd[2].ᡭ\[ᘤᙠᡭD\ḄÑ-%(4.10-1.62)xl0-2..v=———=------------------m/s=0.12m/snD2T0.2[3].Ḅ(4-8)-ᓰ(7.41—2x2.75)x10"Õ…2a=~~=-------------z2------m/s2=0.2lm/s2CT?-I?9.ᑭᵨ×ᱯÙÚÛdeÜ+#஺A-ᳮÞ×ᱯÙÚÛWßAஹBAÄᑖáAmiஹm2Ḅ

10ÄᱥᙽᵨãtäឋḄæçèᙠãᐝêêëÄìÄᱥᙽíᙢïðñ஺;òóᱥᙽAஹBᙠᱥᙽADôõ-uöAdḄ÷ᐝᱏ½ᙠᐸùúû<ó-uᐝᵯüçýᐝᵯüþÿᘤᡭᵯ஺ᐝᱏᐝᵯᡠᵨḄAt஺⌕ᑭᵨ!""#$%&'(!"ᑣ/////T\*(1)!"*+◤⌕-miஹm2/0ᐵ23o(2)!"*+4◤⌕56Ḅᱥᳮ6ᨵᑭᵨᦻ<=᪗?@AḄᱥᳮ6BC)஺(3)"#$%&'(!"◤⌕"#ḄEFGH(ᑏEFḄK᦮MFN◤Oᓄ)஺(4)⌕ᑭᵨᡠᨵᦪR"#STUVឤ(ᑣᡠ◤⌕"#ḄEFG—(ᑏEFḄK᦮MFN◤Oᓄ)஺»2ூZᫀ௃]^஻`ᱥᙽAbcdefgᐝᵯḄhihjg—kg=(j+]2)mJூn᪆௃ூᑖ᪆௃ூqn௃ᵫ⚪tuvᙠᱥᙽAxHyziGdḄᐝᱏᙠᐸ|}~+HyᐝᵯᐝᵯᘤᡠAᱥᙽAᔣ|ᑣᨵ,%(2)ফᵫᒴḄiFuv]iG7Va=——2hᑣ!"*+4◤⌕56Ḅᱥᳮ6ᨵᱥᙽAbcdefgᐝᵯḄhih(3)[3]@ᱥᙽ᦮Ẇ᪷R$%&'(ᑣᨵ(-m)g=(+m)a22ᱥᙽAᐝᵯḄiGdv=ὶ

11d2g_2g=(+]2)2M2(4)ভឤs121d20%-2)g஻=/(/%+/%)=5(+/%2)710.ᑭᵨ᝞1ᡠḄ“ᔠ᜜¡j¢&ᱥ¤"ᓄḄᐵ¦”ᐹ¤*+¨©᝞:A.ᢥ᯿¬*+ᢞ¯Ṻ᫜(²³!Ṻ´)஺B._⁚µᩈ·Ḅ¸¹º»¼½¾a¼½¿µᩈ·ᔣÁ"ÂÃÄÅᐝᵯÇḄcÈÉÊ஺C.ËÌÍ'Ṻ᫜!Ṻ´'᫜ḄÎ!m,ÏÐÑᦪt஺D.xᢝµᩈ·Ḅ¸¹2L¼½Ó☠ÕÖ×Ḅ{ᵫ☟ÙÚÛ¼½ÐѼ½ᐜ¾ÃÄᐝᵯÇᵬ'vcḄcÈtlஹt2,Ï!ᐝᵯÇᵬஹvÜÈḄÝÞ9S.E.ᦋᐝᵯÇᵬஹvÜÈḄÝÞàᨩD஺Kâᑡᔜå⚪/(1)GṺ᫜'Ṻ´ḄçÎ!9m,¼½ḄÎ!9M,à¡]èé9g,ᑣ¨©Dê¼½Öcᡠëᔠ¡ᜧ¼9.(ìᶍîï%¡)(2)ᵨð᪗ᓱ(sóᐝᱏõé(᝞2ᡠ)d=mm஺0I2cmLLöW÷¯b1020(3)ᙠøùᐕûḄ>ᑁGüý,ᑣ⊤þᱥ¤ᡠëᔠ᜜¡jḄ¢ÊÓᱥ¤"ᓄ!஺(ᵨ⚪ÿᡠ⊤)ூᫀ௃mg6.75mgs=gM(()2-/(()2ூ᪆௃ூ௃প“Ḅᡠᔠ᜜Ḅᐵ”ᡠḄᔠ᜜!"#᫜%#&Ḅ'()ᑣ+,D-./ᡠᔠᜧ1mgj(2)ফ᪷45᪗ᓱ89ᦪ;ᑣ)<ᐝᱏ?d=6mm+15x0.05mm=6.75mm(3)@<ᐝᱏABCDᐝᵯF1ஹ2ḄᑖI1

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15⌕-.“ᙠ᜜ijkḄᩩmnᱥoḄ/01pᐸᡂ34”ḄrsᑣLMmmq:%=2:\`uvS]s22ᓽx9yz=/2s2{|ᡂ;ᑣ`}“ᙠ᜜ijkḄᩩmnᱥoḄ/01pᐸᡂ34”~2ফ᪷\E-`aᵬஹdᡠḄᔠ᜜ixᵬஹdḄ᪷\]^9X=,஺/`aᵬஹdḄ/01e4xOᵬஹdḄ$%e4ᡠ5⌕ᵬஹd2ḄḄ$%`-.“ᙠ᜜ijkḄᩩmnᱥoḄ/01pᐸᡂ34”ḄrsᦑK◤⌕LMṹḄN!Oj!Ḅ஺14.ᵬE-!ᑭᵨaឤk.!ᳫ⍝ḄK¡1hᜐ☟£¤¥¦⍝§¨©ª«¬Ḅ¡1H,ᳫḄ¬®⍝©ªḄ§¨®«s.g¯10m/s21°⍝±ᐰᐝs2phḄᳮsᐵµ¶LMs2=·ᵨHஹh⊤C¸.K【HB::::..UB::»«•<】I»«"U::.»:::::.MB.::.::-;:"MM;.;::::二;;m.•::u.••»•MB!!—:;H.:<】:::i:;E:"♦:=i»:«:mS一<\::::】p•«1n.rS::j:x:wBXi::B;.:XJ5ln::)::二"n%::二::1:12b?¹জ᪷\E-r+»¼Ḅs2-hᐵµ¹~¹ঝ᪷\ᳮs¾¿uᑮḄs2_hᐵµ¹.Á4E-r+"ÂÃj¡1☟£¤ḄᳫE▭§¨ÅḄ0᳛·⌱F“!O'’ᡈ"ᜧO”¸ᳮsË.⌼ᡂÍÎÏḄ`ÐÑÒ.dE-!ᑭᵨ᪵Ḅ“ÔÕ⚣×᯿¨Å?Ḅឤ”.o.lkgḄ!ᳫAᵫ¥¦Ú$☟£¤,ᵫ⚣×᯿uᑮ᝞cᡠCḄ!ᳫ$CÜO!ᳫḄ§¨Å.3᪷\!ᳫ$CÜ`ᑨÞ×ᐝ◞14Oàá!ᳫAᙠOḄJ!ᳫAᙠCḄiáJ,J,J.

16ூQᫀ௃(l)4Hh(2)!O⍝p!ᳫâᙠ᥅ᡈ!ᳫḄoãÕᜧ(3)0.1(4)0.1125-0.80.91250.1125ூX᪆௃(1)ÁO!ᳫ☟£¤ᑮ§¨ÅÍäå¹ᵨkᳮẆu:1,mgh=Hmv~Xuèu="éÁO¨Åᵨ¨ÅḄêuèᙠëìíᔣèH=1gt2ᑣᨵK"N.....জᙠ§¨íᔣèS=vt.................ঝᵫজঝuès=20^ᡠès2=4Hh(2)Á4E-r+pᳮs¾¿uᑮḄsZ-hᐵµ¹?"ÂèÃj¡1☟£¤ḄᳫWÒhÚjᐹoᦪËᳮsḄs2ᦪËᜧOE-Ḅs2ᦪË᪷\¨Åêa⍝j¡1jkᡠE-?§¨ÅḄ0᳛!OᳮsË.s2--hᐵµ¹?ᑖ᪆uᳫ§¨ÅḄ0᳛Ïᓝᑖò℉}⌼ᡂôõÎÏḄ`ÐÑÒ!ᳫp⍝âᙠ᥅iᡈ!ᳫḄoãÕᜧ⌼ᡂḄöiÕᜧ~ᵫO᥅öi÷øùᜫûüᑖᡠ⌼ᡂE-?§¨ÅḄ0᳛!OᳮsË.(3)᪷\ýy=gT2uèT=^—5=0.1s,(4)þOnjB᪷\]^9uᓃB=2=l஻/s,2x0.1v==]5஻/$,ᡠᳫAᙠOḄvo=1.5m/s,0.1ᳫAᙠCḄv=+(J+0J*1OpcᳫAᙠOḄEo=O+'xO.lx(1.5)M.1125.12OᳫḄOᑣᳫAᙠCḄ"#Ep=mgh=-0.8JᙠCḄ$Ec=-mv<2=0.9125Jk2ᳫAᙠCḄE=yxmxv2+(-mgh࠷)=0.9125-0.8=0.1125.1cc%&⚪()Ḅ*ὃ,-./ឤ123Ḅᳮ5ᨵ2Ḅ7)ឋ9:Ḅὃ,-;<Ḅ7)=>?@A$ḄᜐᳮCDA$ᙠCᔣFGᒴIJA$KICᔣFGLᵫNOA$.15.᝞RᡠSTU;ᙠG“ẆXᒴYIJA$”Ḅ1[\ᵫᡭ^ᘤ`ᑮ⊤ScA$deḄᩩgᨎḄijijF:lmn^ᦪpᨵqrstᩭ.vwᡭ^ᘤᡭᕜyT=0.02s,ᐸ\{

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31᪷LMs⚪(1)ᘤA⌱()(2)ᵯḄᦪR2=Q;(3)c⊤Ḅᑁூᫀ௃B46532170ூ᪆௃ூ௃(1)[1J.ᘤᵨᑖᵯᑣR¡¢LM£¤ᘤA⌱¥B(2)[2].ᵫjlᵯ§¨ᵯlᦪRR2=4x1000C+6x1OOfl+5x1OQ+3x1C=4653C(3)[3J,᪷LM©ªᵫ«¬§¨U=I(Rg+Ri)g3=/.(&+©®R=2170J2g27.jᵬ+°±²M³´ᳮḄLM¶4஺ᐸ©ª᝞A.᧕¸ᑁ¹U〉6»ᵨ¼½E¾DᙠU¾D஺ᔠᳮÀ᦮ᩈÂÃÄÅᩈᒴ஺B.W¼½Ç᧕¸cd᧕¸Ç»Ḅ56misÈ56m2஺C.ÉʽÇ᧕¸IᣚXᩩÄᵫ☟ÍK3ᡭdḄ᝞jÎ(nÏᑖÐÑd)ORᡭḄpX஺Ò¨ᡭᘤḄᡭ◞RT,:@rRg஺প©ªCnᡠÔḄᔠ᜜@ᜧRXফRM³×O—Cnᔠ᜜@ØÙ´ᓄḄᐵÜcdBDḄghRÝOCghR

32X,ᑣCrᜧR◤⌕M³ḄᐵÜÞRXßᵨᡠcᱥᳮ6Ḅà⊤lá஺2ூᫀ௃1migg8#2=ᓱூ᪆௃ூ௃1[1]ᒴÔᑮ:@ஹæᢝ@ஹ᥅?@Ǽ½Ḅ@ᔠ@RèÉÊ@Iᐸé@ê,ᦑᔠ@í9Éʼ½Ḅ@î¼½Ḅ@í9᧕¸Ç»Ḅ:@ᡠsᡠÔḄᔠ᜜@Rmig2[2]ᒴïḄᙳrí9nðñrᦑv=—%cc2Tব´õ6R:1_#XöE*%&'2%2~Z07ᔠ@ḄÙR:W=mgx,I2◤⌕M³ḄᐵÜÞR:2gg”(28.°LMþÿ2VḄᵯ⊤Viᦋᡂ3VḄᵯ⊤◤ᵯ⊤ViḄᑁ,⊤Ḅᑁ2kQ஺⌱ᵨḄᘤᩞᨵ:ᵯ⊤5V,ᑁ5kC!"#ᘤRi$ᨬᜧ'100஺(ᵯ)⊤$0.6A,ᑁ0.1Cᵯ*$ᵯ"+E=6V,ᑁ,-(.'ᵯR$'/012345⌕7(஺⊈ðᵬ8ᵬᵯ⊤VḄᑁ45ᵯ:88;MஹN45=>⌱ᵨḄᵯ⊤஺প@⌱Aᔠ〉Ḅᵯ⊤DEMஹN,ᢥ᯿ᵯ:8ᵨHᩩDEJHKL45ᵯ:

33ফ45ᵯ:OKLP⁚!"#ᘤM⊤ḄRᦪY,N⊤ḄRᦪX,@ᵨT⊤ḄRᦪU.'ᵯR⊤Vᵯ⊤ViḄᑁW3ᦋ#!"#ᘤ!ᱏḄYZ[ᑮ]>M⊤U^_`aḄN⊤ḄRᦪbcdeᙶ᪗hijklmM⊤$nᙶ᪗(U^_`aḄN⊤ḄRᦪ$oᙶ᪗(Ḅpᦪ8q஺rsM⊤UN⊤tuvᑮ2wᑣpᦪ8qḄy᳛;$|}~ᶇ2Yᨵᦔᦪ(4r[ᵯ⊤VḄᑁ'Ro,ᑣ⊤ᦋᡂ3VḄᵯ⊤◤$⌱“”ᡈ“”(ὶᵯḄ'.2.5—2ூ᪆௃ூᑖ᪆௃ூ௃পপ2VḄᵯ⊤Viᦋᡂ3VḄᵯ⊤a.'ᵯ^ᵯ⊤ViNὶᵯ⊤XḄᑁᵯ⊤VMMὶᑮᵯ⊤ViU.'ᵯTᵯ:᝞8ফফ᪷.[M⊤$nᙶ᪗(U^_`aḄN⊤ḄRᦪ$oᙶ᪗(Ḅpᦪᐵh3বRஹi2k஺ᵯ:ᑖ◤⌕5V,R“ᑖᑮᵯ2V,ᦑ⌕7Rᑖ3V,ᵯ3kQ,8qy᳛--=2.54[4][5]ᵯ⊤ᦋᡂᜧḄᵯ⊤uaὶᵯᑖ᪷ὶᵯ:0ὶᵯaᑖIVᵯᓽᵯ⊤ViḄὶᵯ:;ᵯ)ᑣὶᵯaᵯ⊤ViḄᓽ229.¡t¢ᑭᵨ᝞8ᡠVḄZᩭ5¦§Ḅ¨©ª«¬.ᑣᙠ¯dᩈ±²³ᨵ´µᵨ8┑·.ᙠᩈ±²஺·.T¸ᐝ!Ḅ!ºAUB,»¼ᡭ¸|kO,¾¸¿ṹḄÁ஺P᦮¿ṹ¸ᦪshÃvᑮ¨⊝஺

34BoHnnu.u(1)45;ÉÊ⌕ËÌÍᑡÏÐᦪ()A.OkYZB.¾>¿ṹḄ¸ᦪC.¾¸¿ṹḄÁD.OAஹOBUOC»ḄÓÔE.OAஹOBUOC»ḄÕᔣ(2)Íᑡ45×lOḄØ()A.OC»ᣚᡂÚÛÜÝÞᡂ45B.ß»⌕ÓÐ᪗Ëtß»ÕᔣḄTk⌕àÐá=45âãC.ä~ᢝNAOB90஺ஹ60஺ஹ120஺ᱯçeÕè-éD.rᦋ#êᢞ¿ṹḄ¸ᦪN3,ìíî©45ÉÊ~ᢝOkYZ,"ìíP᦮¿ṹḄ¸ᦪNiஹN2ூïᫀ௃ABEABூ᪆௃ூᑖ᪆௃ூ௃(1)[1]A.ñ5¦¨©ª«¬.ᑣÉÊlò§8ᡠó◤⌕.ò§kᓽ◤⌕᪗Ë|k஺ḄYZAOWBC.ᐸõ⌕lm§ḄÕᔣUᜧ=¾¸¿ṹḄÁtᡠó¿ṹḄ¸ᦪól§Ḅᜧ=,◤⌕¿ṹÁBOC┯âWDE.KL¿ṹ»¼ḄÕᔣó⊤V§ḄÕᔣᡠó◤⌕᪗ËOAஹOBUOC»ḄÕᔣD┯âEO஺ᦑ⌱ABE.(2)[2]A.᝞}OC»ᣚᡂÚÛÜᙠtõ45;÷⌕|køᑮtḄYZ45|},ùúû#ᓄÝÞᡂ45AOWB.ß»⌕ÓÐ᪗Ëtß»ÕᔣḄTk⌕àÐós§ḄÕᔣýá=45âãBOWC.45i¨©ª«¬.ᑣḄᔠᡂ.§Ḅᜧ=UÕᔣ,◤⌕-éC┯âWD.45ḄþḄØ5¦¨©ª«¬.ᑣìí45,◤⌕~ᢝ|kYZ,"D┯â஺ᦑ⌱AB஺30.᧽LḄḄᵯ᳛᝞Ḅ஺

35(1)✌ᐜᵨᵨᵯ⊤“xlO”Ḅ!"ᢱ$%&ᵨᵯ⊤'()ᵨ*+⊤,-.ᙠḄ01ᐸ3ᦪ᝞5ᵬᡠ3ᑣ%Ḅ9R:(2).Ḽ$%Ḅᵯ<=Ḅᐸ>?@᝞ᘤᩞᵯC⊤Ai(0~5mA,n=5O£2)ᵯC⊤A2(0-0.6A,D=0.2஺)ஹᵯH⊤V(0~6V,r»1.5k£2),IJKᘤR(MNᵯC2A,vᨬᜧ915஺)ஹ10஺ḄN9ᵯRiஹ500஺ḄN9ᵯRᑁRSᶍUVḄᵯW(E=6V)ஹXᐵZஹ2[\]^ஹ_`aᘤஹbc஺জᑭᵨ_`aᘤfḄghᐸ3ᦪ᝞5iᡠ3ᑣḄghj=—mmঝmnᵯopᙠq\᪾stuᡠ⌱wᘤḄ᪗yzঞ|}ᵯ᳛ᑣ◤Ḅᱥᳮᨵ(sᑏ}Ḅy)%Ḅᵯ᳛Ḅ⊤p=_(ᵨ⊤3)஺ூᫀ௃220஺4.6994.697~4.700ᙳRᵯH⊤Ḅ3ᦪUஹᵯC⊤Ḅñò®-᝞3ᦪIூ᪆௃ூ௃(1)jḄ9::Rx=22x10஺=220஺z(2)জফ᪷_`aᘤḄᦪᑣR%Ḅgh:

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37(1)>ᜓᨵḄN9ᵯRoᨵØÙ¾ÚA.10஺2.5WB.100111.0WC.200஺1.0WD.2000஺5.0WÛ⌱ܾÚÝ.ফ%ÈÉ.ᐭᔠ⌕|ḄRo)âᔠXᐵS,'᦮ᵯÏḄ9äᵯH⊤Ḅ3ᦪᦋKᵯÏ9ä«åᦪ}᝞5(b)ᡠ3Ḅ5\(%g\Ḅ¶æ0.1V“).ᑣ᪷%ÈÉᡠ}Ḅ5\R|«%ᵯÁḄᵯJEV,ᑁrC.(èéÔᶇëìᨵᦔᦪî)ூᫀ௃C1041.7ூ᪆௃ூᑖ᪆௃ூ௃ïIJKᘤðoñᵯoòḄᨬᜧᵯC50mA,ᑣᵫâᔠᵯo!"N²RN9ᵯḄᨬ®9E9&=——r=---------50Q=130c,“I50x10-3rᡠØN9ᵯRo⌱C.U11r11(2)[2ᓅ3]᪷âᔠᵯo!"N²E=U+-ߟKô«—=+"/õ$ஹèᔠö÷^Ḅ5%+NUEᓃ+9)UKùR¶æL=O.1,ᵯWᵯJE=10Vú᳛k='=0஺6=4.17,ᡠØᑁ-41.7஺஺32.ÇÈÉn¡3VḄᵯH⊤ᦋ§ᡂRᵯḄw⊤——!"⊤.(1)ᐜᵨ᝞5aᡠ3ᵯo%ᵯH⊤Ḅᑁ5ᵯWᑁRSᶍUVâᔠXᐵnᵯÏ9'ᑮ3kCñᵯH⊤ាýþÿᵯᑮ12k஺ᵯ⊤ᢣ┐ᢣᙠ᝞bᡠᑣᵯ⊤ḄᦪV.ᵫᦪ!ᵯ⊤ḄᑁRv=kSl.(2)aḄᵯ#$%ᦋ'ᙠᵯ⊤()*(+⊤,-ᦋ.ᡂ0+12ᵯḄ3᧕56⊤᝞cᡠ⊤7Ḅᵯ89:ᣚᵯ89<=0᝞>?%@AᔠCᐵ(⊤,EC⁚ᵯGᢣ┐ᢣᙠ“3.0V”ᜐIᜐ89J᪗(M“0”ᡈ"8”)STᢝᵯV'ᙠ(⊤

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41G.k'ᘤRz(20C,0.2A)H.ᓫᑐᓫᐵS,Ḅᵯ᝞ᵯᑡ.(1)ᔠᐵ"⁚$%&'ᘤ)ᵯ*⊤,ᦪ〉/.(2)0ᮣ2ᵯ*G3Ḅᵯ*ᵫC*ᔣD6"⁚ᵯ'7R3,)ᵯ'7R3Ḅ'8________(⌱=“?ᜧ”ᡈ“C”)EᑮG3Ḅᵯ*G(=“HI”ஹ“KI”ᡈ"0”).(3)LMᵯ'7ᐭᵯḄᵯ'R3,OMRx.ᵨRiஹR2ஹR3⊤,RஹḄ⊤QRGRx=R.R,ூTᫀ௃?ᜧoR.W^ூ᪆௃ூ௃(2)YZ[ᵯ᫑]^ᵯ'ᡠ`/ᵯ*ᵫC*ᔣD,abCcᵯdeᡠ`f?ᜧᵯ'7R3Ḅ'8)gᵯ'?ᜧᵯ*CCcᵯdhiEᑮCஹDjcᵯdklᵯ*3ᵯ*Gm.(3)᪷oCஹDjcᵯdklpqr/t=/'4,ὶxyqz,=|.35.}l~^Mᓭ/ᙢḄg,ឤ஺GC᝞r᪷Eᵨᢞᙠ3(᝞ᵬᡠ,)ᙠ☠¢£Ḅ¤¥ᵯ%M,)ᵯ%¦§ᜐ©ªE«ᔣᙠ¦§¬®¥¯ᱯᑴ²N,³´¦%µḄ¶·¸¹ᵩM»ᡂᩩ஺"᦮²Ḅ¿À)¸¹ᙠ¬Áᨎᙢᶇ¸஺Ä%ᵯ%ŦÆÇᵨÈÉÊËÌᵫͲᙠ¬kf¿Àᶇ¸஺Îϵᙠ¬ᡠᶇḄ¸}ᩩᔠ〉Ḅ¸AGÐÑÒÇÓ◞4ᩩ¸[ᩩᦪ¸ᑖÖ×BஹCஹDஹE஺ᨬÙGÚÛḄÙtḄmÙÜÝA,ÒµBஹCஹDஹEÜfḄÙÞßG14.68cm,39.15cm,73.41cm,117.46cm»àáᵯ%Ḅ¦G300()r/min஺âr(1)kãḄjᩩᦪ¸ÜfḄµää◞Gs(2)ᵫ^qᓭ/ᙢḄGm/s2(åæçᶇè¿ᨵᦔᦪë);

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43ïð஺পåòÇl~óᑴôjõïðḄp-1ᐵö᝞஺ᑣø᧜úûᙠüýß3Ḅp-JᐵöḄÏ(⌱=“1”ᡈ"2”)(2)l~ÏþïÄÿᑁᨨ᛻ᓣḄ஺ᙠᓣḄᘤᙢᙠ☢!"#$%ᵫ'(஺ᑣᙠ*+,ᑁḄ-./ᔊ1+2(⌱6(“8”“”ᡈ;)Ḅ=ᓄ?@*+=ᓄᙠABC_________.(᜜Gᜧ-8Il.Oxl(Fpa)ூK᪆௃ூNK௃ᵫA2OCPAQRSTḄUVWXᐸV᳛[pV,V᳛\=ᑣpV\=᪷^-᝱`a=c#b-.Ḅ\=ᙳd=ᓄeᵫ-᝱`fbTgpVhiᓽTgAXḄV᳛ᡂhiᡠ$#bm᧜-.ᙠopqrḄᐵtAXḄR1;(2)[2][3]ᘤᙢᙠ☢uᘤᑁḄ8vIP,ᜧ-8vIPo,!"wx☢yIS,!"z{|}᠒I!"ᜐ[⊝᝱I;PS=PoSᓽP=Po#b,ᑁḄ-.8v[ᜧ-8ᢝ\=ᡠ$,ᑁ-./ᔊ1+28=ᓄ஺A᝞AP37.u1+2᝞AᡠḄrr{ឤ஺ᳫAWᙢ+ᱏIdḄᐝᩩᵨ¢X¢ᢞᙠOTᐝᵯ¥¦ᙠOTh§`¨©ªḄᡲᩚᳫBᙠWᥛᩚᩚ

44]¥¦ᢞEc┴iᳫA(ᒹ«¬ᐝᩩ)BḄᵨᜩ¯°ᑖ±*²ஹ஻%qiᳫAE´)µ¶·iᳫ¸¹º»M¬ᐝᩩ¼½ᐝᵯ¾¸µiᳫBe¯¿À3Á^ᙢiᳫAÃÄÅ᤮E´)INᘤḄᦪᑖ±*Çஹt,°OᑮᳫÉḄÊË*L,iᳫBËᙢ☢Ḅ)*h,i2ᳫB¯¿ḄͯVW*X஺(1)ᐵ1Ï_`Ḅ~ÐÑ⚗]ᑡÔÕÖ×ḄO஺A.⌕ÙiᳫAiᳫBÚÛ&ɸ¹B.iᳫAḄ⌕ᜧ1iᳫBḄC.'ÙiᳫAᵫ☟Þ¶·(2)u°Ï`ßvw°ᦪ᝞]àd=0.5cm,L=0.5m,஻=0.45m,x=0.30m,=0.0025s,Z=0.0050s,cdk()gH10m/s"ᑣiᳫAáiᳫB¸¹ºµ¦ḄdXâ*,mi2ᳫA(ᒹ«¬ᐝᩩ)áiᳫBḄXâ*kãà஻ä=ᑣ3ឤᑮ᪷ᦪQpRiᳫAiᳫBÚÛḄ¸¹O¸¹________(“Äឋ”ᡈ“æÄឋ31ூ"ᫀ௃A—çÄឋ23ூ,᪆௃ூᑖ᪆௃(1)ᵫÏᳮ×éê⁚(2)᪷᩽íNMᑁḄ¯ᙳ()T1»N()ïiᳫᨬñḄ(),òÁ3Ḅjk᪷iᳫ]óḄ)ïcdgḄhiᑨõOᔲKT஺ூ/,௃(1)[1]A.÷i1øÚÛ&ɸ¹ᦑ⌱⚗AÖ×B.¸¹µᐭᳫÃÄᑣ⌕ïᐭᳫḄi1û¸ᳫḄᦑ⌱⚗B┯ýC.ᵫ1¸¹ºµAḄ()ᵫᐝᵯ¾°A¶·Eò☟Þþrᦑ⌱⚗C┯ýᦑ⌱A(2)[2]¸¹ºµᐭᳫAḄ()ᵫᐝᵯ¾°àd0.5x10-2Vi=rm/s=2.0m/s,t,2.5x10-3

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48C.ᵯB⊤Al(>2A,ᑁ@C1஺)D.ᵯB⊤AM>0.6A,ᑁ@C10஺)E.EFᵯ@Ri=4kQF.EFᵯ@R2=16kCGGHI@ᘤR3(0:5C,2A)H.ᑺHIKᘤR4(0~150Q,0.5A)I.!MᵯN(OB9V,ᑁ@P)J.QᐵS1TU(1)VWXY⁚[\ᦪ^_ᵯB⊤`⌱ᵨGHI@ᘤ`⌱ᵨ,ᵯ;⊤`⌱ᵨEFᵯ@`⌱ᵨ(dᘤᩞeḄfghi)(2)ᙠk1᪾5mnop23⌕Ḅᵯq_______(3)᪷tḄᵯqu()vᵯ;Uwᵯ;⊤\ᦪUvḄᐵxூzᫀ௃CGAE}~᪆U=3Uvூ~᪆௃ூ~௃(1)পফভ.ᵫ()Ḅ᪗uᐸᵯB1.5A,ᵯ@4Q,ᡠᵯB⊤⌱ᵨᵯB⊤Ai,ᓽC+,-()Ḅᱯឋ01ᵯ;QIᓄGHI@ᘤᵨᑖ;@F`wᵯ@@FPᦑ⌱ᵨGHI@ᘤRa,ᓽGᵯ;⊤V2Ḅ>ᜧ\ᦪP_ᵯ;⊤VIḄ>ὶEFᵯ@R">᡽ᜧᑮ6V,ᦑᵯ;⊤`⌱ᵨV1,ᓽAEFᵯ@`⌱ᵨRi,ᓽE.(2)[5].GHI@ᘤᵨᑖ;ᵯB⊤᜜ᵯq᝞qᡠ஺ব.᪷tὶᵯuuU=/(RV+K)=3/K=3UV40.ᙠ!¢ᵯ@£!¤¥¦§%¨2B©ªª«Ḅᵯ@᳛(▅¯ᐵ°ᧇuᐸᵯ@᳛

49Ḅ³2.0x10-7-3.0x10-0.m)(1)ᵨ´µ¶ᘤ-©ªª«ḄO·᝞qᵬᡠᐸ\ᦪmm(2)¹ᨵ᝞723ᘤᩞº»tᳮ¼ᘤᩞ½¾mn23ḄᵯqA.¿ÀÁÂÃÄB.>3Vᑁ@C3kCḄᵯ;⊤C.>0.6Aஹᑁ@C0.1஺ḄᵯB⊤D.@F0X20ḄGHI@¯E.@F/=4.0QḄEFᵯ@F.⁚ÇÈUᵯÉGQᐵS1TU(3)%Ê5ᵯ;⊤ᦪ᝞qËᡠᐸ\ᦪ(/=V(4)235⌕%Íᱥᳮ◀ÐÑ©ªª«O·d,ᵯ;⊤Ḅᦪ஺᜜Ò◤:ᵯB⊤Ḅᦪ/Ä஺-©ªª«Ḅᵯ@᳛᜛=(ᵨÐÑᡠᱥᳮḄfgÕi⊤)஺ூ~᪆௃ூ~௃পপ´µ¶ᘤḄ×EÁÂᦪ0mm,µØÁÂᦪ40.0x0.01mm=0.400mm,ᑣF0.400mm(2)[2]ᵫ⚪Ûu©ªª«ᵯ@᳛Ḅ³2.0x10-7~3.0xi(r7o.mᵫÐÑu©ªª«O·0.400mm,»tÜu©ªḄÝÂCᨵ20cm,ᵫᵯ@EÞß©ªª«ᵯ@R,=p-,àᨵ©ªª«Sá«á☢ã,äᐭÐÑᦪtß©ªª«ᵯ@YE(P^2.5X10-7Q-W)ᵨᵯ;⊤ஹᵯB⊤O©ªª«vḄᵯ;¼ᐸ5ᵯBᵯ⊤\ᦪPᓛç஺◤⌕èEFᵯ@w©ª

50ª«ὶ᦮ê&+%,ᐸᵯ;¼ᵯBᑣᵯ⊤ᓛç஺ëì᦮ê&+R,wᵯB⊤¼ᵯ;⊤ᑁ@ᨵ^±^=Å44,-^=3஺682RA0.1Q&ஹ+Rஹ4.40ᑣᵯB⊤᜜GHI@ᘤíî~20,`ᵨ▲BW2ñòÊᨵᦔᑣᐸᵯ᝞qᡠব3ᵯ;⊤>~3V,ᐸᨬᨵᦔÁÂ0.1V,õö\£F1.90V44ᓅ5ᵫÐᔜùßᵯ@᳛◀©ªª«O·4ஹvᵯ;UஹᵯB/᜜Ò◤ᵨÁÂ骪«ÝÂ41.ᢣ┐ùᵨᵯ⊤2345ÜᵨḄüᘤ஺ºýz7ᑡÿ⚪1.ᵨᵨᵯ⊤ᵯ⌱ᐵᢱ"xlOO”ᢱᢣ┐ᢣ᝞ᵬa஺#$ᵨᵯ⊤%Ḅ'()*+,-.+⌱ᢱ᫏1⌱2“xlO”xik"34,6⊤789ᵯ6:ᢣ┐ᢣ᝞ᵬb,ᑣ9ᵯ#2<=>ᵨᵯ⊤ᢱᑁ@ᵯAB஺ᐸDᵯE⊤FGᵯE#0.5mAஹᑁ#10஺IᵯJᵯKL#1.5Vஹᑁ#1OMᘤRoḄOQ#0~5000஺஺জ+⊤Ḅ6S⊤7D=T⊤7஺1⌱2“A”ᡈ"B”ঝ+⊤ḄWXO=ᢥᵯJᵯKL#L5Vஹᑁ#1஺Z[WXḄ஺\ᵯJḄᵯKL]^ᑮ1.45Vஹᑁ`ᜧᑮ4஺⊤bcdeᑣdeRo8ᐭᵯAḄᵯM12“ᜧ”ᡈ“i”j3ᵨkldeḄ⊤m>9ᵯO#400C,ᑣno9ᵯḄpqO#Q.1'(rᶇtuᨵᦔᦪyjூ{ᫀ௃xlk30000QBdi387Qூ~᪆௃

51ூ~௃ᵨᵨᵯ⊤ᵯ⌱ᐵᢱ“XI00”ᢱᢣ┐ᢣ᝞ᵬa஺ᯠ=ᢇ┐G4iᦪᜧ#$iᦪᑣ`ᜧ᳛ᓽ⌕᫏Ḅ᳛dᑮxlk[2]346⊤789ᵯ6:ᢣ┐ᢣ᝞ᵬb,ᑣ9ᵯ#R=300000xফᵫ⊤ᐸ᫏uḄ⊤=ᐳᵨ⊤ᜮḄᡠ⊤Ḅᑁ8ᵯḄ+8⊤ᜮḄ+8ᵯE⌕+81ᓽ8jEZᡠA=8B=T8I[4]⊤ḄWXO=ᢥᵯJᵯKL#1.5Vஹᑁ#1஺Z[WXḄ஺ᑣdeᵯᐭᵯAḄᵯE&=——=29890\ᵯJḄᵯKL]^ᑮ1.45Vஹᑁ`ᜧᑮ4஺⊤bcde⌕ᵯE⊤bFGᑣER0=——r-RA=2884஺ᡠ⌕di;ম3ᵨkldeḄ⊤m>9ᵯO#400஺ᑣᨵ£ᵯ400஺ᙠ£¥ᵯKLDḄᵯE3¦ᵯ8ᐭ§Ḅ⊤DᵯEI¨.ḄOE,௄.-&ᔆ=387஺42.>q©iªᙠᵨ«¬®ᐝḄ°±Ḅq©D«¬®q©²ᘤᢥ⌕³´ᙠᐝᐹ¶·᝞ᵬᡠ஺«¬¸¹d=0.20mm,mº«¬¸Ḅ¹»L=500mm஺ᯠ8¼ᵯᐝ£½প>,-ᙠ%K¿Àᙠ%ᜮÁÂDᐜÄᑮᑖᑜÇDÈW¨*ÉᩩËAḄDÈ᝞<ᡠᑣÌ᪗ᓱÏḄÐᦪ#cmᯠÑÒK¿ÀᑖᑜÇDÈW¨*ÉᩩËBḄDÈ3Ì᪗ᓱÏḄÐᦪ#1.67cm,ÓÏ·ḄcmWXÌ᪗Ï·>ᩩWX¨ÔIᐭÕᐝḄ°±23q©DÖ×ᩩËØcÙÚḄᦋᗐÝÞᨵ1ßᑏáᩩj஺ூ{ᫀ௃LH2.33.2x10-7i«¬¸¹dᡈὅ`ᜧ«¬ᑮ®ºḄ¹»L

52ூ~᪆௃ூᑖ᪆௃ூ~௃(1)[1][2|.Ì᪗ᓱÏḄÐᦪ#l.lcm+O.lmmxl=l.llcm3Ì᪗ᓱÏḄÐᦪ#1.67cm,ÓÏ·Ḅ2.3cmWXÌ᪗Ï·>ᩩWX¨ÔI[3].ᩩ˸¹Ax=-5^-cm=0.08cm7ᑣ᪷ä=஺æcma,\x-d0.08x10-2x0.2xlO-3s-7z=------=---------------------------m=3.2x10mL0.5(2)[4].3q©DÖ×ᩩËØᓽᩩ˸¹i᪷ä-=^4cÙÚḄᦋᗐÝÞᨵi«¬¸¹daᡈὅ`ᜧ«¬ᑮ®ºḄ¹»Lo43.᝞ᵬᡠ>ª,-èᵨ“éêaFஹmë¸Ḅì%ᐵí”Ḅᐵq©îïஹ¥ᳮñZ[“éêᔠ᜜ôõö÷KøMᓄḄᐵí”Ḅq©15.50cm-*--------21.

53\E!J0.04300.05700.07340.0907kᑖ᪆7hᦪi1Ḅ]jkᙠ/0mnᐕpḄrᑁtᳮjvw]^xy.(3)/0Yᔲ⌕{ᡲt-ṹ|JKm}~JKM?(W“”ᡈ“ᔲ”)(4)/01ᡲḄJK87.7x10-3/0;+ᐭᡲYḄ-ṹJK8(g?9.8/S2,]^_ᶇaᦪ=bc).ூᫀ௃ᒴ0.11200.11050.015ூ᪆௃ூ௃(1)[1].⊝᥅I;᦮ᱏḄᦋᩈ᪷ᡭḄᑨᔲᒴ"#.(2)[2][3].OᑮF,HIP8:W=Fx=0.2x0.5575J=0.1120.I.F=Ḅ;8:x0.6677-0.4575,,,ᓃ=-^EG-=-------------------m/s=1.0n5c1im/s2T0.2ᑣ#RḄ¤K8:E=^mv,2=^x0.2xl.0512=0.1105Jk(3)[4]./0Y⌕¥ᡲtấṹḄ§I¨~ḄHI©ª⌕¥1ᡲt-ṹ|JKm}~JKM(4)[5].-ṹQ-ṹ᦮«G§IQHIOᑮF"ᵨ#Rᳮᨵ:[(M+m)g—F]X+m^v2OFF¯ᐭᦪ1:m=0.015kg.44.3ᵬ80±²³R´ឤ¶Ḅ/0·ᵯ¹º»ᑴḄºᳫAᜐ¿ᵫÁÂÃÄD;ᘤ(3YÆÇ)ÈÉÁºᳫÊᐝᵯÌBḄᢱᐝ;@t,ºᳫḄÎ8d,ᵨUÏ8ᳫÊᐝᵯÌ;Ḅ,§I8g.JÆÇ/ÈᡈஹஹAᵬ(1)ᵨÑ᪗ᓱÔ1ºᳫḄÎd᝞34ᡠ6ᑣd=

54(2)31jÉ◤⌕7Ḅᱥᳮ'A.AÌᙢ☢ḄÏHB.AஹBÐÑḄÏhC.?ÇᳫAZÓᑮBḄÕÑtAB(3)⌕12?ÇᳫZÓwj$%'ᔲឤ◤12ת'ᔲᡂØᓽO(ᵨ31j7ᱥᳮḄÚÛ⊤e)(4)>31?@7?ᳫḄÜÝAEkÞ'ßᜧ"áâzḄãäAEp,4åO'஺(ᑏoBçᓽO)ூ«ᫀ௃5.4Bd2=2ght289ᳫZÓwj<âèéூ®᪆௃ூê®௃ᵫhOëì᪗ᓱJìJ510ᑖïð50.1mm,ñJ±55mm,ìJ“4”ÃñJ±òó,ᡠ´ᦪ55mm+0lx4mm=5.4mm஺(2)[2]AB.ô⚪◤⌕ᵨᑮáâzᓄᦑ◤⌕7ABÐÑḄÏ{◤⌕ë⍝Ì÷ᙢ☢ḄÏᦑA┯BùðC.å5⌕ᑨmghÃ;mV?ᐵ{◤⌕ë⍝?ÇᳫAZÓᑮBḄÕÑtAB,ᦑC┯஺ᦑ⌱B஺(3)[3]ᑭᵨ?ÇᳫᐝᵯüḄýᙳÿᩭᦑBdv=Ht᪷ឤḄ⊤ᨵ12mgh=Hmv*-d2=2ght2ᦑ⌕d2=2ght2ᓽ஺(4)[4]!"#$%&Ek'()&*+,-./%AEP,Ḅ01(23ᳫ56789,:;஺45.<=>ᔠ2ᵯ9᳛Ḅᘤᩞ᝞5EF<ᔠ2GR(9HI8஺)ஹKLᵯM(5V)ஹNᐵஹPQஹᵯR⊤A(%80~0.6A,ᑁ9I0.125஺)ஹᵯT⊤V(%80~3V,ᑁ9I3k஺)ஹU"V9ᘤRo(ᨬᜧ9H5஺)ஹYZஹ[\<]ᘤ஺(1)ᑭᵨ[\<]ᘤ<%ᔠ2GḄ`aD஺>b<%[\<]ᘤḄcᦪ᝞e1ᡠcᑣhb<%HD=mm

55ফLᙠ32Y×KᔠØÙᵯÚḄᵯÛ3⊡ᐙÝ᦮ÞßàR¥/0mnáবãᔠØÙäåᵯæ8U;ᔠØÙḄᵯç8I;1ᔠØÙḄ8L,Î8D,L᪷èéᱥᳮKᑏᔠØᵯÚ᳛Ḅ⊤íî஺=;4᝞⊤8/0ñòxóô'ᙳᒴḄᔠØÙḄKᦪ⊤஺cxcöccdc÷ᵯæU/V1.203.001.201.203.00L/cm150.00150.00200.00200.00150.00ᔠØÙøt/c20.020.020.080.080.0ᵯÚ᳛p/n*m2.8xl(y62.8x10)2.8x10-63.6x10-63.6xl(y6জᵫú7⊤[ᦪiû8üýᔠØᵯÚ᳛Ḅþÿ;⌱“ᵯ”“”ᡈ“”ঝᔠ⊤Ḅᦪὃᔠᵯ!᳛#ᜧḄ%&'(oᑏ+ᑡᑁ.Ḅ/012A.ᵯ34ᔣ67Ḅ8ᙳ:᳛;ᜧB.ᵯ3<=>7Ḅ8ᙳ:᳛;ᜧC.ᓫ@ABᑁḄCᵫᵯ3ᦪ;ᜧOnnUD2ூFᫀ௃0.885BMLூI᪆௃ூᑖ᪆௃

56ூLI௃ᵫMNOPQᘤ%SᐸNᦪ:0.5mm+38.5x0.01mm=0.885mm(2)[2]ᵫ⚪W%Sᵯ⊤ᑁ!XᜧYZQᵯ!![ᵯ\⊤]^ᵨ᜜abcdᵯeM᝞MᡠN:R=P3h2ᵯ!᳛i7TUD2(4)জ[4]ᵫ⊤jklஹjhlhlᦪ%Sᵯnopᵯ!᳛qrᵫs%Sᵯ!᳛tᵯuᐵ;ᵫjwlஹjxlylcdᦪ%Sᵯ!᳛tᔠzḄuᐵ{ᵫj|lஹjwlylcdᦪ%Sᵯ!᳛tᔠzḄᨵᐵ;[5]ᵫ⊤cdᦪ%S~ᵯ!᳛~ᜧᔠzᓣᵯ37~ᒓᵯ37Ḅ8ᙳ:᳛~ᜧᦑBACD┯஺46.oᵨ᝞MᡠNA

57B.ᵨi᪗ᓱZ<%lmḄ`aC.noT,⊤pqcḄrTHD.noYZpqcḄsrlt(2)uvᵨwxyz={|(ᵨ}~ᴻ(ᡈᘤ)ᙠ⌕᠒"m⌕ḄḄ(஺ব5ᑡeᨬ`᧜r:VᓄḄḄ(»ூᫀ௃B¢r£᝱Vᓄ78¥¢ᢝ|VCூ§᪆௃ூᑖ᪆௃ூª§௃(1)[1]A.«¬¢rឋ¯ᵨ°±m²ᘤḄ5³A◤⌕µBD.ᵫ*ᘤḄ`aᙳᒴឤ=᪷V=LS¹º»srltᡂ½¾ᡠ¿◤noYZpqcḄsrltÀ◤<%`aB|◤⌕D◤⌕µC.«¬¹rTḄVᓄÁÂᡠ¿◤⌕noT,⊤pqcḄrTHC◤⌕஺Ã⌱|◤⌕Ḅᦑ⌱B஺(2)ফ}ÆÇÈrḄ78rTÉÊËᓣÍÎÏ%|ËÐÑrÆᓣÍᡠ¿᪵:ḄḄ«¢r£᝱Vᓄ78¥¢ᢝ|V஺PV11(3)[3]᪷Ó-=C¹Ôr:VᓄpÕVᡂ¾ᓽᦑe«`Qᡠ¿«¬`᧜pÕVᡂ¾ḄᐵÖ¯:p-JeC½×஺47.>ØKᵨ᝞eᵬᡠcḄuv<%UᙽÕÛÜÝ☢ßàḄ"᥅â1ᦪ78᝞5E01⎫301020(1)ᵨi᪗ᓱZ<%ãz=*UᙽpḄäᐝᩩḄçd=—mm,ᙠÝ☢pᔠ〉évz=êëì»ᐝᵯíîᐝᵯíÕᦪïðᘤ(eñòã)óô.(2)ᵨUᙽõëìTÉᑮ>év<%ãUᙽᑮᐝᵯíḄ÷øx.ÐÑUᙽ<ãUᙽpḄäᐝᩩù7ᐝᵯíᡠᵨḄàt,ᑣúUᙽḄv=.

58(3)ù7ᙠUᙽp#.ûṹᩭᦋVUᙽḄþ%m,ÿᵨᙽᑮ(2)Ḅ(2)ḄᑡᙽmᐝᵯḄ!"vḄ#᪷%&'ᦪ#vZm)*+᝞*-ᡠ/.012ᙢḄ45!"6g,ᵫ*+81ᙽ9:;☢=>Ḅ?᥅ABᦪឋDEFGE=___.P,__.db„bூIᫀ௃5.70mm---E=—pt2gx2aூL᪆௃ூNL௃(1)[1].ᵫ-*1O᪗ᓱRSᦪ60.5cm+14x0.05mm=5.70mm[2].ᙽTᐝᵯḄ!"6v=4(2)(3)[3][4],᪷%EUឤ஻X+52Ep᦮ᳮv2=-2E-2/jgxm[ᔠ*+]b2E14஺5b=/Limgxbg=----2gx48.6^_ᵯ⊤VḄᑁbcdefg^᝞*1ᡠ/Ḅᵯh஺ᐸV஺k᪗lᵯ⊤RomRᑖok?pbᘤmᵯbrSmSiᑖokᓫᑐuvwᐵmᓫᑐwᐵEkᵯy஺(1)ᵨz{|}~|᪷%᝞*1ᡠ/Ḅᳮ*᝞*2ᡠ/Ḅᱥ*᦮______.(2)᝞]জSᔣ1,Si,⁚R஺_⊤ᜮᢣ┐ᑮ〉2ḄSᦪU

59ঝᯠ¥¦S§ᔣa¨2,©ᢝRon#«⁚,®,¯+s°RḄ±ᦪ{ঞ³´µ¶·¸¹º»¼R±ᦪḄ8ᙳ[ᓽZQᵯ⊤ᑁ!ḄQ¾[஺(3)cdQ¿ᵯ⊤Ḅ![%&tÀc[ÁÂÃᙠÄ◀ᏔᯠÄ(Ç᜜Èᨵ%&Ḅ'(ÉᑏÊᐸkË%&Ḅ'(i஺ூFᫀ௃ÌI᪆᪗Îᵯ⊤R᪗Îᵯ⊤ÏUᵯ!Ð![nÑÒᵯ\Ó¹ᵯ!Ô=ÕÖᵯ!![Ô×#ᓄᵯØÑÒ®ᵨÙ°Âᵯ7ÚÛÜᑁ!;ᜧr஺ூI᪆௃ூᑖ᪆௃ூLI௃(1)[1].᪷ᵯeMÑaḄcᱥM᝞MᡠN{ফজফ.¦S§ᔣa¨1,aÓSi,«⁚Ro,®ZQ⊤ᜮᢣ┐åæᑮ〉é@¯+s°᪗Îᵯ⊤V஺Ḅ±ᦪUঝ[3][4].ᯠ¥¦S§ᔣa¨2,©ᢝR”n#«⁚ᵯ!ÐRḄ![®᪗Îᵯ⊤V஺ḄNᦪÏU,¯+s°RḄ±ᦪ{(3)[5].cdQ¿ᵯ⊤Ḅ![%&tÀc[ÁÂÃᙠÄ◀ᏔᯠÄ(Ç᜜Èᨵ%&ᨵiᵫYᵯ!ÐḄ![nᐹᨵÑÒឋ%&ÕÖᵯ!ÐḄ![tZQᵯ⊤ÁÂÃᙠḼk4ḄÄ{í᜜ᵯ\Ó¹ᵯ!Ô=ÕÖᵯ!![Ô×#ᓄ{ᵯØÑÒ®ᵨÙ°ÂÕÖᵯ7ÚÛÜᑁ!;ᜧrîᨵ%&⌼ᡂÄ஺49.ñòlḄoòóôLḄõöᱯឋøù%ú⌱ᵨḄᘤᩞ᝞+iòóôL,ü“3.6Vஹ0.3A”ᵯ\⊤A,¾º0.2A,ᑁ!n=0.6Cᵯ⊤V,¾º3V,ᑁ!r2=3kC᪗Îᵯ!Ri![1.2஺{᪗Îᵯ!R2![1k஺{᪗Îᵯ!R3![10k஺{ý7#!ᘤR,![ÿᵯE,ᵯ4V,ᑁᐵS஺

60(1)ᵬ᝞1ᡠḄᵯᩭ!"#$ᔠᐵ&#'(ᘤḄ'ᱏ+,-.(0“a”ᡈ“b”)2஺$ᔠᐵ34'ᱏ#56ᵯ7⊤9:;ᦪ#ᵯ=⊤ᦪ>?3V,ᐸᦑBCDEFG(0“cdHLIJ”ᡈ“cdHLIL”)ফ᣸◀ᦑB3#QRᵯ=⊤Ḅᦪ᝞2ᡠ#ᐸSᦪTV(3)UVWXT⌕Z[\]ᙢ_`aLb᦮Ḅdeᱯឋh#◤⌕jkᵯ஺lmᙠᵬḄoẠqᑭᵨᡠtᘤᩞ#ᙠ3ᡠḄv᪾ᑁ⊡yaz{ᵯ#|ᙠq᪗~ᡠ⌱ᘤᩞ(4)ᢥ3jk>ᵯ#4'ᱏᙠQ-#Saᵯ=⊤ஹᵯ7⊤ᦪᑖTUஹI,᝞ὃ⇋ᵯ=⊤Ḅᑖ7#ᑣLḄᵯR=______(ᵨUஹIᦪ⊤)஺Wூᫀ௃acdHLIL2.3097ூ᪆௃ூ௃(1)2$ᔠᐵ&#Tᵯeᐰ#'(ᘤḄ'ᱏ+,-.a2#$ᔠᐵ34'ᱏ#56ᵯ7⊤9:;ᦪ#ᵯ=⊤ᦪ>?3V,ᐸᦑBCDEFGcdHLIL(2)বᵯ=⊤ᨬVᑖT0.1V,ᑣᵯ=⊤SᦪT2.30V(3)ভᵯ=⊤ஹᵯ7⊤◤⌕᡽ᜧ"¤#¥ᔠḄ¦§ᵯ=¨ᵯ7#ᵯ7⊤|ὶRi,"¤᡽ᜧᑮ0.3A,ᵯ=⊤«ὶR2,"¤᡽ᜧᑮ4.0V,᪷᡽¤3Ḅᵯ⊤ᑁ¨Ḅ¦§ᵯ=®Ḅᑁ#⌱ᵨᵯ7⊤᜜>°஺᝞43(4)5᪷3ᵯ#E±²ᑮ³2Ḅᵯ=T,ᵯ7Tµ/,᪷·¸§¹²K=º9150.Q»ᵯ#¼F!"ᵯ½WḄᵯE¨ᑁr,¾F!"¿ÀᵯRxḄÁ஺

61ᘤᩞ᝞®ÂA.ᵯ½WÃÄ⁚ᵯ½ÆB.Ç!ᵯRxÃÈ10஺ÆC.ᵯ=⊤ViÃ"¤3VஹᑁÉᜧÆD.ᵯ=⊤V2Ã"¤6VஹᑁÉᜧÆE.ᵯÊRÃᨬᜧÁ99.9஺ÆF.ᐵ»Ë#z{ÌÍ᝞®Â1Îz{ᘤᩞ>ᡂ᝞aᡠḄᵯ#$ᔠᐵ#Ð⁚ᵯÊḄÁ#ᐜÒᵯ=⊤Vi>?ÓÔ#⌲2᪷Ö×Ḅᵯ=⊤V1ḄSᦪUi¨ᵯ=⊤V2ḄSᦪU2,±ØTÙᙶ᪗#±Û+ḄᵯÊḄÁRTÜᙶ᪗#²ᑮḄz{¥᝞bᡠ஺ᵫEÞ²Ç!ᵯRß஺Ãᶇ³ᨵᦔᦪÆ஺3cᑖG±³ᵯ=⊤ḄSᦪTÙᙶ᪗#±³ᵯ=⊤SᦪãäåᵯÊÁḄæÁåçTÜᙶ᪗²ᑮ¥஺ᵫEÞ²ᵯ½WḄᵯE—V,ᑁr=C³ḄéêḄÜᙶ᪗T»A,Ùᙶ᪗TV.Ã¥ᙳᶇ³ᨵᦔᦪÆூᫀ௃8.06.04.00.504.0ூì᪆௃ூîì௃21«ὶᵯᵯ7ᜐᜐðñ#ᵫaᡠᵯEÀ:5_u?RxR+Rxᑣ:R+\4RxU.ᑣU—RnóḄô᳛:

62,13-1k=——=------Rx16ì²:Rx=8.0Cবফ[3]ᵫ(a)ᡠᵯEÀ:RGᵯḄU-Ió#ᵫóEÀ#ᵯᵯÂE=6.0V,ᵯᑁ:R—=4.0QAi1.5R[4][5ö-4=4GRxḄU-Ió#³éêø+ḄGᵯå§Áᵯù>«ὶḄúû#éêRḄÜᙶ᪗:E_6=0.50A+-8.0+4.0Ùᙶ᪗:U=E-Ir=6-0.50x4=4.0V51.Qᙠᵨ᝞ᡠz{ü-!"ᐝḄþÿḄḄ0.3mm,ᓫ⁐ᐝ᯿ᙠ1.2mḄᵨᜮᩩḄ!"#ᐜ%ᜮḄᑖᑜ()*+,-)./%0-121ᩩ-345Ḅ6ᦪ᝞9ᵬᡠ6<ᯠ>?@ᔣBCᜮDᑖᑜ()*+,26ᩩ-)./345Ḅ6ᦪ᝞9Eᡠ6஺9ᵬGᦪmm,9EGᦪmm஺᪷JKᐝḄLMNm(PQRᶇ2TᨵᦔᦪW)஺ூZᫀ௃2.335(2.3322337)15.375(15.372-15.377)6.5x107ூ]᪆௃ூᑖ᪆௃ூ_]௃[1]9ᵬ`abᘤd1*"ḄGᦪN2.0mmeC*"ḄGᦪN335x0.01mm=0.335mm

63ᑣ_ᘤḄSᦪFG2.0mm+0.335mm=2.335mm(2.332-2.337¡)[2]*-_ᘤ¢£¤"ḄSᦪk15.0mm8?¤"ḄSᦪk37.5x0.01mm=0.375mmᑣ_ᘤḄSᦪFG15.0mm+0.375mm=15.375mm(15.372-15.377¡)ব¦§ᩩ©>ª6Ax2-x,\x=-----Ln-\᪷%u«¬Ḅᩩ©®"Ḅ¯°L1=—Xdᑣ&±ᓫ⁐ᐝḄ³´(x-x)d21A,------——-------l(zi-1)/}ᐭᦪ%L2=6.5xl0~7m52.cde_¶ᐹ¸Ḅ¹º»ᵯ?¼?Ḅ½!"ᜧ¹᝞*ᵬᡠ/ºÀÁ63cmḄᙊâ£ᙠᵯ?¼?ŸÆÇḄÈÉᡭgᘤË¢£ᙠᙊÃḄÌ☢ᙊÃ?ÆÇ8ÍᔁᙠᙊÃḄÌ☢¸ᡭgᘤᡠÏ»ᵯḄ⚣᳛650Hz.05lllllllllllllllllllllllllllfhiliIIIIIIIIILullEg(1)Òᐜ(⌱Õ“ᵯ?¼,'ᡈ“ᡭgᘤ”)ᵯy.(2)ᑮᔁÃ×ᙠᙊøḄÆÇÆÇعÙ_¦§2Ú=>Ḅ´"Li,ÍÛᙊÃḄºÀÜØÝ´ḄÙÆÇËᥟᣵᯠËعÙ_¦§2Ú=>Ḅ´"L2,ÍÛᙊÃḄºÀd2,¸áᦪ%âᙠ⊤ãᐸÙÆÇ᝞*-ᡠ/_ᡭ&'ÆÇä?Ḅ!"ᜧ¹6m/s._ᙊúÀ65.60cm,ᑣ8åᵯ?¼?Ḅ½!"6rad/s.([æᙳèᶇêᨵᦔᦪí)(3)îde᪷%_ᦪ%^ÆÇä?!"(v)¦ÒᙊúÀ(d)Ḅᐵ*+᝞*ïᡠ/.ᑖ᪆*|,

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107ᡈὅ”ij”klᙠᐸnᩩpḄUVqRஹrᜧᐸ45R*ḄTdsrtA“ᜧ”ᡈ“_ூ,ᫀ௃298BCᜧIij_ூx᪆௃ூyx௃[1]ᵫKᳮOᵯY⊤Ḅᢣ┐ᢣᑮ~ḄᑖᵯᑖᵯYḄᑖ᪷%ὶᵯORV=8=298C,ᦑᵯY⊤ᑁ12980஺2জফ;ᘤᵨ2ᑖY*1)QR⌕⌱ᨬᜧ7_Ḅᘤᓽ⌱B"ᵯRᵨᵯᵯ1L5V,qᵯᜧᑣS*ᦑ"ᵯ<⌱ᵨC.ঝভ:Kᳮᑖ᪆O¡¢££ᐵS2,¥᦮ᵯR஺ḄᵯY⊤§¨©ªᔠᵯḄ¬ᵯ®¯_ᦑᑁᵯY°±²ᵯYᓣ´:µ3ᘤ¶ὶ·ᑖ¸²ᵯYᜧᓽ3ᵯY⊤¹ᦪ1§஺মµᵯRḄᵯY¼½ᵯY⊤ᵯY¾ᡠ4ᵯÀ¨ᜧᡠ&45ᵯᜧI\ᵯÁÂTdÃᵫKᳮ⌼ᡂḄeIijTd஺যᙠᐸnᩩpḄUVqRvrᜧᘤ¶ὶ·ᑖ¸²ᵯYᓄr_ᐸ45R4ḄTdsr_஺84.128945ÈÉ4ᵯRḄt#130C஺ᨵ&Êᘤᩞ⌱஺ᵯ⊤Ait5Ë0~50mA,ᑁ#12Cᵯ⊤A2t5Ë0~3A,ᑁ#0.12஺kÁᵯY⊤Vit5Ë~3V,ᑁÌᜧkÁᵯY⊤V2t5Ë0~15V,ᑁÌᜧkᵯEᵯ#13V,ᑁ#10.2C"ᵯR5011,ᐕÎᨬᜧᵯ2.0AᘤRi0-10Q,ᐕÎᨬᜧᵯ2.0AᘤR2O~lkC,ᐕÎᨬᜧᵯ0.5AᓫᑐᓫÑ£ᐵSÒq¬஺112(ᵯᐜᵨÔᵨᵯ⊤ḄÕÖᢱØ4ÙOᵯᵨ“xlO”ᢱ¥ÚÛ45ᵯÜᢣ┐¨ÝÞßᜧᨬÛàáâᢸ~¨äᩭᑡᑨ¢ç*è9ḄÃtAéêëFk஺A.cÒᵯÌ_ìíᨵàÕÖB.cÒᵯÌᜧìᨵàᓟÕÖC.᝞◤ð-ò45ᣚ“xl”ᢱ¥ÚÛ45D.᝞◤ðò45ᣚ“xlOO”ᢱ¥ÚÛ45

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110è஻%Ḅ%hÆ%ÇÈᜧC86.ᱥᳮ'éḄêëᵨ᝞yᵬᡠ|Ḅᘤᩞ]<஺ᘤᩞᨵîïðñᨵ᪗Ḅòaᩚஹᐝᵯ1õ2éᡂḄᐝᵯ±dᘤᐸ/ᐝᵯ1ᙠᐝᵯ2Ḅ÷'ᳫùúᘤ(û*'ᳫüùú)ஹýþ஺dûᵨbᐝᵯ'ᳫÿᐝᵯ1ᐝᵯ2Ḅt,ᩚᐝᵯḄho(1)ᵨ᪗ᓱᳫḄ᝞!"ᡠ$%ᑣᳫ'<ফᦋ+ᐝᵯ1Ḅ,-%.ᢝᐝᵯ2Ḅ,-0+%ᳫ12ᐝᵯ2Ḅ34'v,0ὃ⇋789:%ᳫḄ;34'<:;34g,ᑣhஹtஹgஹv>?ᱥᳮBḄᐵDEh=Oh(3)᪷GHIᦪGKߟ-%!N᝞!Oᡠ$%P!QRS᳛ḄUVW'k,᪷G!NX<:;34gtᜧ'Oூ\ᫀ௃1.170-gg?+v2kூ_᪆௃ூᑖ᪆௃ூb_௃পdefᦪ'1.1cm,᪗ᦪ'0.05xl4mm=0.70mm=0.070cm,ᡠgᨬiᦪ'1.1cm+0.()70cm=1.170cm(2)ফᳫ12ᐝᵯ2Ḅ34'v,᪷GjkEXlmnoᑮ12ᐝᵯ2Ḅvt=—gᡠglmnoᑮ12ᐝᵯ1Ḅgᡠg12ᐝᵯ1Ḅ34vv'=gt"=v—gt᪷Gᒴ+3RḄrsXtᐝᵯḄ

111,V+V12h=------1=vt——2t~22(3)[3]ᵫ<=/?=#g/h17="ồh?9-f@AB᳛ḄDE()k,ᑣt,1k=-gᡠ'FGHIJᜧKg=2k87.ᵨ᝞@NOPOQmiஹm2SᡂḄTUVWXYឤ஺nu\ᜐᵫ☟_`abcmideḼḄghᡭ9TᑡḄjEghdḄjklmn!ᓽOQTUVWXYឤpq஺b@rḄsNOtuḄ9ᩩghwxᱥz☟_{|0sᡭbḄ}9~jxᦪjᨵ4~j(@᪗)ᦪjḄ᝞@ᡠ஺mi=50gஹm2=150g,ᵯḄ⚣᳛)50Hz,gu9.8m/s2ᑣw(ᶇxᨵᦔᦪ)012345621.60*I*26.40*τ(1)ᙠghdᡭbᦪj54ḄIJV=m/s#(2)ᙠᦪj0ᑮᦪj5"TUXḄ!AEK=J,TUXḄ!AEp=J#(3)NOw»ூᫀ௃2.40.580.59ᙠ¡ᐕ£Ḅ¥ᑁxᱥzSᡂḄTUᙠ¦"VWXYឤூ᪆௃ூᑖ᪆௃ூ௃ᙠghdᡭbᦪj54ḄIJ:%0.216+0.264,c,v=*=-------------m/s=2.4m/s2T0.2(2)[2]ᙠᦪj0ᑮᦪj5"TUXḄ!):§EK=E&5-0=g(¨+©)ᓃ2=0.58J

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113ᵫ!N}Æ%ᵯwW²HW%ᵯÑᑁ9W²HW஺(3)[4ᓅ5]᪷GÃÄÅ}Æ%ᵯ9ISᑣ}Æs_Xp=kSPὃ⇋ᵯ£⊤Ḅᑁ9%ᑣÇ=Ü-Ý%ᑣ!NḄS᳛0+%ᡠgXḄᵯ9᳛Àᨵ®¯஺89.Þßj'IàxឤÅáâ©᝞!ᡠ$ḄHI%ãᳫä2åæDᙠ஺Ë%ᵫçè,-☟êno%ᵨᐝᵯᳫ12Þ,-Ḅë/,ᵨí4î,-ÇOËḄï4h஺(ñÆ<:;34'g)h(1)'©òᡂHIó◤Ḅᱥᳮᨵ(µõö\ᫀ᪗÷)஺A.æ¦1B.ᳫḄùmC.ᳫḄdD.ᳫúᐝᵯᜐḄt(2)õöò◤⌕Ḅᱥᳮý%IàxឤÅḄᐵDEþ(ᵨñÆḄÿ⊤)஺,7ூᫀ௃C"ூ᪆௃ூᑖ᪆௃ூ௃(D[1]ឤ

114,12mgn=~mvdv=9t,d2gh--------2(A/)2◤⌕n!Ḅ!sKᳫḄ±²dor2(2)[2]ᵫ(1)ஹᡂ³4,KᳫVWXYឤ஺90.ᵨ@ᵬᡠḄPn!/ᙢḄFGHIJ஺¶·¸Kᳫ9p\Jᵫ☟_{|ᙠKᳫ¹ᵫbcºḄ»kdḄᔠ〉P½p9~ᐝᵯ¿X¹ÀKᳫºᐝᵯ¿Ḅ4ÁKᳫÂᐝᵯ¿Ḅ4ÃÄ,ºḄ"ÅÆÇ)KᳫḄIJÈÉ஺NOn!Ḅᱥᳮ!ᨵwA.KᳫḄ±²dB.Kᳫ¦3ᐝᵯ¿ᜐbcḄ\JhC.KᳫᢱÌᐝᵯ¿Ḅ4t஺·¸ᳫQ--ᐝᵯ¿ᵬÍÎÏNO⌕ÐÑᡂbᑡÒÓ஺(Ôx~K⚪ᵨnḄᱥᳮ!ḄÖ×⊤)(1)KᳫÂᐝᵯ¿ḄIJv=#ফ/ᙢḄFGHIJ)Ù=#(3)ᵨÚ᪗ᓱÜn!·¸ᳫḄ±²᝞@ÝᡠKᳫḄ±²)cm஺?NOn஻=0.4760m,Z=4.12xi0-3s»ᑣFGHIJg=m/s2o(Þᶇ1Kᦪ)ூCᫀ௃-J1.239.4t2ht2ூS᪆௃ூUS௃KᳫÂᐝᵯ¿ḄßᜧK)Kᳫ±²d,¦4)t,ᑣIJ)

115dv=—tফফKᳫbc3ᐝᵯ¿Ḅ"ᨵv2=2ghববÚ᪗ᓱÜḄáÜâᦪ)12mm,Ú᪗ÜḄ}3ᩩãAáÜḄäãAEåᑣÚ᪗ᓱÜâᦪ)0.3mm,ᑣn!()12mm+0.3mm=12.3mm=1.23cm[4]ᙠ=g=/æᐭᐵᦪÏ2hrd1(1.23xl0-2m)2)g=——=---------------------------------2a9.4m/s22%ᔆ2x0.4760mx(4.12xl0*3sy91.äNOKSᑭᵨ᝞@ᵬᡠḄPn!/ᙢḄFGHIJ஺(1))êën!¡ì!KbᑡíîïðḄs;A.Sᓫ᤮ó⌱ᵨõJö±²÷øKḄ᤮ᳫB.Sᓫ᤮ó⌱ᵨùÙÈ᧕ûüḄýAC.NO4óë᤮ᳫᙠþ9ÿ☢ᑁ᤮D.ᓫ᤮Ḅᕜᜧ᤮⊝ᨵᜧḄ(2)ᵨ20ᑖḄ#᪗ᓱ&'(ᳫḄ*஺,-'(Ḅ.ᦪ᝞12ᡠ.45ᳫ*d=cm(3)67ᵨ8&'59Ḅ:L,;ᳫᙠ=☢ᑁ᤮஺>ᳫ?@ᨬBCDEFGDHGᦪ0,IJᳫK?@ᨬBC-L-Gᦪ1ஹ2ஹ3……o>ᦪᑮ40DOPGD'QDRt«ᦋT9:U-'(ᑭᵨGWXY5t2-L1᝞1Zᡠ.஺᪷\1Z]^Q5>ᙢḄ`abcg=m/s2«(dM=9.86,efgᶇ3ᨵᦔᦪj)ூlᫀ௃BC0.8109.80ூo᪆௃ூqo௃

116r1st1J.A.ᓫ᤮⌱ᵨ"#$ᜧ&'($)Ḅ᤮ᳫ,⌱⚗A┯/0B.ᓫ᤮⌱ᵨ1&2᧕45Ḅ67,⌱⚗B890C.:;<᤮ᳫᙠ>?@'☢ᑁ᤮C,⌱⚗C890D.ᓫ᤮Ḅ᤮D2EFG5஺,ᔲᑣᓫ᤮ḄJCK2LMNJC,⌱⚗D┯/;ᦑ⌱BCor2st2u.)ᳫ'(Qd=0.8cm+0.05mmx2=0.810cmvr3st3u.ᓫ᤮ḄᕜSQT=-^=-L1x40202ᵫT=2wUE21600/t=---------L8ᵫVWUX1600w21610=1610~g—-100x10-2Eg=9.80m/s292.?Y)ᵯ[\᪗ᨵ“2Vஹ2W”Ḅ`᪵,bᙠ⌕ᵨdefghijYᵯ[ḄU-/Vk,ᨵlᑡᘤᩞp⌱ᵨqA.ᵯr⊤stuQ0~3V,ᑁvwQ10k஺xB.ᵯr⊤stuQ015V,ᑁvwQ20k£lsC.ᵯy⊤stuQ00.6A,ᑁvwQ1஺xD.ᵯy⊤stuQ0L0A,ᑁvwQ0.4QsE.zC{vᘤsv|~Q05஺,ᵯyQ10AsF.zC{vᘤsv|~Q0500Q,ᵯyQ0.2Asr1s:;ᵯr⊤⌱ᵨ,ᵯy⊤⌱ᵨsᙳᵨᘤᩞḄ`⊤x஺r2sQt):;/,⌕ᵯr{ᓄ&ᦪ,zC{vᘤ⁚,zC{vᘤ⌱ᵨsᵨᘤᩞḄ`⊤r3sᙠ7᪾ᑁi:;⌕ḄᵯV____,VᡠḄ:;ᘤᩞᵨ:7¢£ᡂ¥Ḅ:ᱥᵯV_______

117ூᫀ௃Aூ᪆௃ூ௃পপ¨Qᵯ[ḄᵯrQ2V,Q©ª:;eᐰ,⌱ᵨḄᵯr⊤tu¬ᜧ2V,®2ᜧ¯,tu¯ᜧᑣᦪ2°9,ᡠ±²⌱ᵨtuQ03VḄᵯr⊤,ᦑ⌱A[2]ᵫ³=஺/E,ᵯ[Ḅᵯy⌱ᵨtuQ01.0AḄᵯy⊤,ᦑ⌱D஺(2)¶ᵫ⚪¸UX,ᵯr{ᓄ,⌕¹ᦪ,ᦑ²ºᵨzC{vᘤᑖr£f,»ᑖr£f,Q⁚⌱¼v|)ḄzC{vᘤ,ᦑ⌱E஺(3)[4][5]ᵯ[ᑁvR2Qᵯr⊤ᑁv½ᜧᵯ[ᑁv,ºᵨᵯy⊤᜜£f,ᦑᵯV¿:ᱥ¢£VᑖÀ᝞VÂஹÃᡠ93.Ä>ÅᑭᵨV(a)ᡠᵯ¹ttuQ3VḄᵯr⊤জḄᑁv(ᑁvQᦪᓟÊË),Up⌱ÌḄᘤ

118ᩞᨵqᵯvÍRsᨬᜧv|9999.9஺x,zC{vᘤRsᨬᜧv|50஺x,zC{vᘤRsᨬᜧv|5k£2,2'yᵯÏEsᵯCÐ4V,ᑁvÑ)x஺ᐵ1Y,Ó7ÔÕ஺ESVaV6:;Ö×᝞lqজᢥᵯÙᳮVa¢£70ঝÜᵯvÍv|⁚Q0,ÜzC{vᘤḄzᱏÞᑮàVaᨬáâᡠãḄäå,æᔠᐵSঞ⁚zC{vᘤ,<ᵯr⊤é0ট©ᢝzC{vᘤzᱏḄäå2{,⁚ᵯvÍv|,<ᵯr⊤ḄᦪQ2.00V,ìlᵯvÍḄv|஺ílᑡî⚪q1:;⌱ÌzC{vᘤsï“Ri”ᡈ"R2”;ফ᪷VaᡠᵯÜVb:ᱥV¢70s?x3:;Ö×টìóḄᵯvÍv|Q1500.0C,ÔôQ⁚ᵯvÍzC{vᘤ\Ḅᑖr2{,õöUEᵯr⊤ḄᑁvQ£2s÷ø©ᶇᑮYäx0ভ᝞øûᵯr⊤Lᵫ?Y⊤ᜮ¿ᵯvýὶ᪀ᡂḄ⊤ᜮḄᵯᫀ᪗஺ூ᪆௃ூᑖ᪆௃ூ௃1[1].!ᑭᵨ$%&'(ᵯ)⊤Ḅᑁ+!,ᳮ.ᐭᵯ+01ᵯ2Ḅ3ᵯ+45Ḅ65◤⌕9:;+ᘤ5ᵯ+ᦑ⌱Ri45!?@.2[2].9:;+ᘤᑖ)BC.ᱥᵯ2᝞FᡠHI

119(3)[3].ᵯ)⊤Ḅᑁ+&L/?Oὶᑖ)2.00VL1.00V,ᑣRஹ,=2R=3000Q.(4)[4J.ᵯ)⊤Ḅ&ᵯ,U3V,AIR=——=----------=1mAR&3000Qᦑ⌱D.94.RSTᵨ᝞FᡠHḄ!ᘤᩞᩭWXYZ[\ᵯḄᩩ^.(1)F_`aᵨbcdeᑖᘤᩞC.f⊡ᐙiᡂF_ᱥjḄCc.(2)kC.l!ᵯ2mnop?qrᔠtᐵḄvjwxᑮᵯzᢣ┐}Z&~cᙌ______(“A”ᡈ"B”)_ᨵ$[\ᵯ.tᐵrᔠq$ᐸ⚗}YZ$[\ᵯ,fᑏ⚗ḄI;ঝ.cᙌA(ᡈ)ttᐵḄvj.ூ᪆௃ூᑖ᪆௃

120[\ᵯYZḄᩩ^I¡rᔠcᙌḄ¢£¤}Z;ᓄᡠ¦⌕§WX¨©ª⚪¬⌕¨©ᩩ^},®Ḅᦋ;¡cᙌBḄ¢£¤°ᑮᵯz}Z&~Ḅᦔ².ூ௃1C.ᱥF᝞FᡠH:2rᔠtᐵḄvjwxᑮᵯzᢣ┐}Z&~cᙌB_ᨵ$[\ᵯ᪷µ[\ᵯYZḄᩩ^I¡rᔠcᙌḄ¢£¤}Z;ᓄᓽᡠ¦⌕§·ᵯzᢣ┐}Z&~ᑣ¦¸¹Ḅº»IdcᙌAᡈttᐵḄvj*x||y||||ᵬ11111111Py||||y|y||||||||||ᵬ||||||ᵬ{|||||||||||||||||||||||y|||||||y|?||||||0123456-891011cm1c1᝞FaᡠHᐜᵨ½ᵨᵯ⊤“xlC”ᢱ¿(ᐸᵯ+஺ᯠqᵨFbḄÁÂ(Ãᘤ(ᐸÄÅmm,ÆᵨFcḄÇÈÉ(ᐸÊcm.2$45!?@◤ËÌ(ᐸᵯ+◀Î(ÏÐÑ᜜!ÓᜓᨵḄ!ᘤᩞ᝞ÕIA.ᵯ)⊤V¤Ö3V,ᑁ+×15kO¤Ö15V,ᑁ+×75kCB.ᵯ⊤A¤Ö0.6A,ᑁ+×1C¤Ö3A,ᑁ+×0.2஺C.9:;+ᘤRi0~5Q,1AD.9:;+ᘤR20:2000஺0.1AE.1.5VḄØᵯÙ⁚ᑁ+ÛzF.ᵯ+0G.tᐵS,bckØ$(½Ü!ᦪµᑣ9:;+ᘤ\⌱ᵨ“Ri”ᡈ“R2”fᙠß᪾ᑁázᨬᔠᳮḄᵯ2FmiᡂFd_ḄᱥCc.

121sFdூᫀ௃8.0(ᡈὅ8)2.0952.095~2.098ᙳ10.1410.13~10.15ᙳRiூ᪆௃ூᑖ᪆௃ூ௃åËæ.ᵫFH½ᵨᵯ⊤èÎ(ᵯ++é·8x10=8஺åêæ.ᵫFHÁÂ(ÃᘤèḄëìíᦪ2mm,:íᦪ0.01x9.5mm=0.095mm,ᐸíᦪI2mm+9.5x0.01mm=2.095mmåîæ.ÇÈÉ(ᐸÊ10.14cmåïæ.9:;+ᘤR2(0-2000Q,0.1A)Ḅ+éðÎ(ÏÐÑ+é8Qᜧòó½ôõᵯ2öᐰßø!9:;+ᘤ\⌱Ri,ᨬᜧ+é5Cåùæ.(½Ü!ᦪµ9:;+ᘤ\¸ᵨᑖ).'ᵫúû(ᵯ++éü5ᑣᵯ⊤\¸ᵨ᜜.'!ᵯ2F᝞FᡠHåýæ.᪷µ!ᵯ2FC.ᱥᵯ2F᝞FᡠH;£96.᝞FᡠH·“!õ:¤ÿឤ”Ḅ⚣᯿ᱏAஹBᙽḄᑖᙠ1.5kg,%=lkg,᤬ᐳ!"#஺%&#ᙠᙽ'()*+Ḅ,#ᙠᜋ(+஺Bᙽ.ᩭᜐ1☟34᝱67AஹBᙽᙠ᤬⚣᯿ᱏḄ89:;ᑁᙠ10cm=105cm89?ᑁ

122}(^~ᙽḄᜮ)᪷\⚣᯿ᱏ(ᐝDRR◞0.5s)l⚪஺(1)᪷\⚣᯿ᱏᑖ᪆]ᙠ__________cmᜐ;(2)A~ᙽJḄcv/=B~ᙽJḄcvv=A~ᙽḄcVA---------------------------»(3)᪷\⚣᯿ᱏᑖ᪆Q5~ᙽᔜḄ(ᔜḄcḄkg-m/svJ~ᙽᔜḄ(ᔜḄcḄ—kg-m/s஺¡¢Q5Ḅe£.ூlᫀ௃300.4m/s0.6m/s0.8m/s1.21.2~ᙽᡂḄ¥¦ᙠ§Yᵨ@¨¢(©ឤூo᪆௃ூᑖ᪆௃ூqo௃(1)পᵫAஹB]ᙠ30cmᜐv(2)ফ[3][4]JAḄᙠ40cm,60cm,80cmᜐᑣ,20x10-2¯=--------m/s=0.4m/sᐭ0.5JBḄᙠ45cm,75cm,105cmᜐᑣ,30x10-2v„=--------m/s=0.6m/s130.5ᵫAஹB]ᙠ30cmᜐJB±30mᜐ}ᑮ45cmᜐ?@DR(45—30)x10-2t=---------------s=0.25s0.6A±10cmᜐ}ᑮ30cmᜐᵨDt'-0.5s-0.25s=0.25sᑣ(30-10)x10-2v.=--------------ni/s=0.8m/s*0.25(3)ম~ᙽᔜḄ(ᔜḄcḄmv+mv=1.2kg-m/sAABB³J~ᙽᔜḄ(ᔜḄcḄ

123mv'+mv'=1.2kg-m/sAABBABCḄDEᙽFᡂḄHIᙠ'JKᵨMNOPឤ97.᝞RᡠTUVWXYZḄ&[\]OPឤḄ^_R஺`ab☢d&efg&hiCb☢j&h^ᨵlmᢱopqrḄ&hdᙠlmᢱosj&htᐭvwᳫyzᯠe|}_A~=B~wᳫwᳫfgyh`aCᙠ`aᙢ☢sḄs10#wᳫḄ~}_twᳫᙠfgḄᜐs10#ᙠsᑖᐭvwᳫtwᳫḄ~}_(yᑮᑖUPஹQஹR),OP=xi,OQ=X2,OR=X3(1)ᐵ1Ḅ⌕~ᑡḄ&A.ᐭvwᳫḄ¡*w1twᳫḄB.ᐭvwᳫḄ¢£¤¥ᜧ1twᳫḄ¢£C.:§#¨¤¥©qr=B~D.fg«h¤¥¬ᢝ`a(2)®ᐭvᳫḄUm”twᳫḄUm2,ᑣ°◤⌕²ᡂ³Ḅ⊤µ¶U&(ᵨᡠ·¸¹⊤7K);(3)◀»¼½¾¿À᜜ÂC&ᩩ¡ÄḄÅÆᩭÇ.ூÉᫀ௃CD"Ì=ÎÏ+m2*3g⍝᥅ÓḄ¿ÀÔÕ~PஹQஹR:ḄÅÆÔX,WḄ2ÅÆூ×᪆௃ூÙ×௃(1)[1]A.U■3ᳫ+ᐭvᳫÛqᐭvwᳫḄ¤¥ᜧ1twᳫḄᦑA┯ÅB.UÞᳫßàᐭvwᳫḄ¢£¤¥átwᳫḄ¢£'WᦑB┯ÅC.U!¬²ᐭvᳫ§#ᑮµb☢Ḅâ|'Wᑣ:§#¨¤¥©qr=B~yãäᐭvᳫ'WḄqឋæÄᦑCD.U!¬²ᳫ+¨ÄçaèOyãÄéCêC:Ḅâ|fg«h¤¥¬ᢝ`aᦑD஺ᦑ⌱CD஺(2)[2]ᳫMNHIḄOPឤ*ᔣUíᔣᨵ

124î1%=m\V\+᪷2ᔩwᳫçaèOḄ:;t'ñW:ò*t,ᨵ஻%L=+mvt22Dᔠ)+Ḅwᳫ~ôõᣚ÷`aøù+ᨵX,=vot,X|=U/,ú=v2t¡û=m\X\+î2*3(3)[3]◀»¼½¾¿À᜜BᐸḄᨵ⍝᥅ḄPஹQஹRḄx,Ḅ஺298.ᑭᵨ᝞ᵬᡠ"Ḅ#$%&'()*+ஹ,Ḅᐵ.஺/01ᦪ345ᙠ⊤89ᦪ3:ᢥ'()ᜧ=᣸ᑡḄ@8Aᦪ39=B,C'()ᦪ3D4ᡭFᘤᵬAHF/Nm/kga/m*s210.290.860.3420.140.360.3930.290.610.4840.190.360.5350.240.360.6760.290.410.7170.290.360.8180.2990340.360.94(1)IJKᑮM@8Aᦪ3NOḄPQRS=B,PQ᝞Tᡠ"஺UVᡭFᘤᡠᵨWXᵯ

125Ḅ⚣᳛]50Hz,PQ^᪗`Ḅabcdefghᨵ4cᡭ`ᩭḄjk`஺lmnoIp`@8A9Ḅ'()a=___m/s2(2)᝞q⌕Ẇ&'()*+Ḅᐵ.◤u⊤89vAᦪ3(xAH)z஺-|}᝞q⌕Ẇ&'()*,Ḅᐵ.◤u⊤89vAᦪ3(xAH)z஺v஻?}஺Ẇ&z(3)z`஺}᝞ᡠ"ᵫ}(x“R”ᡈ“R”)ᑨa*mᡂ஺ூᫀ௃0.90(0.89-0.92)2,4ஹ5ஹ7ஹ91ஹ3ஹ6ஹ7ஹ8ᑴRூ᪆௃ூᑖ᪆௃ூ௃(1)abcdefghᨵ4cᡭ`ᩭḄjk`ᦑdefgḄgg◞]T=0.02x5s=0.1s᪷3⌲¢£¤x-Ar,,=2a^2,x-x=2aT23423012ᦑ'()]a_´34+´23-(“12+“01)_*24_*02_*04J*02—*02“4T2ߟ4T2-4T2¥ᐭᦪ3¤10.10-3.25-3.25_.….a----------------µ-------xlOm2m/s2=0.90m/s2.4x0.12Q)2Ẇ&'()*+Ḅᐵ.◤⌕§¨,⌱u2ஹ4ஹ5ஹ7ஹ9Aᦪ3஺বẆ&'()*,Ḅᐵ.◤⌕ᑴ+F⌱u1ஹ3ஹ6ஹ7,8Aᦪ3஺4«S¬c◤⌕ᑴᐸ®ឤ°ᦋᐸ9vc]ᑴ஺(3)5ᑖ᪆V?²]³²´µ¶·:¸ᐵ.ᦑO¹²Ẇ&a*ºᡂmmᐵ.஺99.᝞ᵬᡠ"]ᑭᵨ¬ᵨᵯ⊤Ḅᵯ»ᢱẆ&ᵯ½ᘤḄᐙஹ¿ᵯḄ/0ᵯÀ஺¬ᵨᵯ⊤$ÁxlkᢱᵯÂᵯÃÄ]E=1.5V,ᑁ»]R=15kC,/09ÆᵨḄᵯᵯ½ᘤḄÇ8]“lOOOpF25V”஺ÈÉÊËÌÍ⊤ÎÏᵯ½ᘤ᩽Ñ⊤ÎÏᵯ½ᘤÒ᩽஺

126(1)ᐙᵯÓᡂÌᵯ½ᘤb᩽ÔgḄᵯÕ________(⌱x“ᜧÁ”“×Á”ᡈ“=Á”)ᵯÂᵯÃÄᵯ½ᘤᡠQᵯ₹]c(2)᝞Tᡠ"ᐙᵯÓᡂÌj¿ᵯÙ(ÚÑஹÍ⊤ÎWᣚᓽÍ⊤ÎÏᵯ½ᘤÒ᩽Ñ⊤ÎÏᵯ½ᘤ᩽ÝÞᵯXßᜧàáᵯX⊤âᐸãä:஺ᵬT\ூᫀ௃×Ái.5

127(3)wl!ᡭxḄyzᦪ|}ᨵxᡭᘤ*ᵨḄᵯ⚣᳛50Hz,ᵫljᡭFBḄq)VB=m/s,ᩈᙽḄpq)a=m/s2»(4ூ᪆௃ூ௃(1)[1]A.GH“pq)1ᱥ<@ஹᱥVWḄᐵiᡠᱥ<@ឤ@ᡠ/01⍝67AB.6⊝᥅?@*ᙠᨵ[ᱥᱫ,ᒴqB┯¢C.ᡭᘤᙠ*ᵨᐜMᵯO£¤JC┯¢D.6⊝᥅?@¥ᡂ£§¨Ḅ!mgsin6=/amgcos6ᡠᦋUVW©◤L6⊝᥅?D(2)[2]6⊝᥅?@`2ᩈ3Ḅab(*b9cdᜧªᙠᨵ«ᢞ[ᱥ®¯bpq)ᡠl°ᨵ±²³´⌱C(3)ব᪷¸ᒴUq¹rḄº»jbx-(8.10-5.10)?10-2..v--0c-----=------------------------m/s=0.15m/sBRT0.10.2[4]᪷¸ᒴUq¹rḄº»jb^&SI஺-10.5஺)-(10.50-6.3஺))R32S=஺T]

128

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