太原市新高考物理实验题100题汇总含解析

太原市新高考物理实验题100题汇总含解析

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时间:2023-04-22

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10a=`MᢝᐝᵯrZḄஹṹṹḄᙳᦋḄM42M`ᩩoSḄᙠṹấṹᓽᡠḄ!"#ᡂ%&஺10.ᙠJᐵ¢£Ḅ¤ᵨ¥ᐰ§ḄAB¨ὶªMa«9a#JᩈL§JᩈLQᢞ¬ᢣ┐42N,¯°ᨵ`±²³´"#Maµ¶·ᙠᙠᢞ¬MᢞᦪḄ¹ᔩ»¼ᦪ½᝞9⊤¿¬ṹ4ONIN2N3Nᢣ┐µ¶´"11cm12cm13cm14cm(1)À᪷ḄJÂcm,À᪷ḄÃ"¢ᦪÂN/m(2)ÄCAஹBÅὶÆᩭhᵨÇÈ᦮@ḄÃ"¢ᦪÂoA.25N/mB.100N/mC.50N/mD.200N/mூᫀ௃9cm50N/mAூ'᪆௃ூ)'௃পপফ᪷½Ḅ,⊝ᨵG=2k(L—q)ÊG=2NL=Hcm#G=3NL=12cmËᐭ'¼Lo=9cmk=50N/m(2)[3]CAஹBÅὶÆᩭhᵨcÂFÀḄfÂx,᦮@fÂ2x,ᵫF=kx,l¼᦮@ḄÃ"¢ᦪL=£Ï=25N/m2ᦑÑA஺11.᝞ÒᡠÓ᫡ὁÖᙠ×ᚪA“ÚḄ,ÛÜ°fᑣ”ßàᩩḄ`a«ᙠáLM0ḄAS,â`aã»TᑮOS஺(1)9ᑡælçèéêëìíîḄ2A.»Tᙠïðᨵñ³B.»Tòóᢝ#ᩈL,Ûôᦪõ⌕÷µøT´"C.»TùúḄ4µᜧᨵüýD.ßàᩩḄþÿᝅᦔ

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12᪷»$%&'()ᑣC¼}EḄᦪA½Dᜧc+ᐭᐜBHÀBᜧ+ᡠ;¶Dᜧc+·CFBH,ᦑC;D.2!3+ÂÃḄÄ7Å~ᑮ஺>c+³IJK#LNMḄᜳA7)Q90°,ᦑD┯t;ᦑ⌱C஺12.ÆÇiᜓᑭᵨᑡᘤᩞKÍᵯÏḄᵯÐÑᑁᵯÓ஺A.ÔKÍᵯÏ⁚+Ö⁚ᵯÏᵯÐÑ×1.5V,ᑁÓ×ØÙÚB.9ÛᵯÜ⊤ViஹV2,Ýᙳ3V,ᑁÓ×3kQC.)ßᵯÓRo,ÓßàáD.âÐBÓãR,ᨬᜧÓßRmE.e;Íåᐵ(1)᪷»᝞ᵬᡠḄᵯè+ᵨéêëìe+Âí3Ḅ2ᱥïᡂ2!ᵯè(2)2!N^+◤⌕ᑭᵨᵯèK})ßᵯÓRo,ÂâÐBÓᘤRaᑮᨬᜧÓßRm,ñòᔠåᐵ,ᵯÜ⊤V1V2ḄᦪᑖU10ஹU20,ᑣRo=(U10ஹU20ஹRm⊤)n(3)2!3ôÐâÐBÓᘤõᜮ+}ᵯÜ⊤ViV2Ḅ÷øᦪ»UiஹU2,ùú}U1-U2û᝞ᡠ+39ü᳛k,þÿḄa,ᑣ⁚ᵯḄᵯE=ᑁk(ᵨkஹaஹRo⊤)஺ூ᪆௃

13ூᑖ᪆௃ூ௃প᝞ᡠU0=U10-020ὶP_010—020R4----------020(3)[3][4]᪷!"ᔠᵯ%&'()ᨵ+,q=—^ߟu,+—ᵫ⚪/01k=—^~4+rE=—,234\-k\-k13.5ᢞ7890:;<+ᑭᵨ?@AᘤCᓫ᤮FᳫᩭIJKLMឤ஺(1)ᵨP᪗ᓱSTUFVᳫWXY᝞Zᡠ஺ᑣᐸWX஺=cm,(2)জ᝞ᵬᡠ`(?@AᘤMঝb᪷<0cdḄfghij(1)5ḄFVᳫkhlm`(ḄᐝoFᙊqO,r`(ᙠ@AᘤḄᢞ7t(Fᙊqvw᪷fgxm)

14ঞ{FVᳫ|ᵫ}ᢞrᜐ☟᝱J5ᑮ?+ᓄḄᐵ᝞ᡠ஺(i);IFVᳫᙠᨬACᨬᜐḄJKLᔲᑣoA.⌕TUFVᳫḄWXDB.⌕TUFVᳫḄ¡¢mC.⌕TUfg¥¦§W¨ᔣḄᨬᜧ«¬0D.⌕1⍝¯ஹ5Fo,Fi,F2ḄᜧF´µᙢ·?¸¹ºgE.⌕1⍝¯ஹ5Fo,Fi,F2ḄᜧF(ii)½¾¿xmTÀ(i)5ᡠ◤Ḅᱥᳮ¢ᑣ;ÀIFVᳫᙠᨬBCᨬᜐḄJKLᔲÄ◤IÅᔲᡂᓽ0஺(ᵨ⚪5ᡠTḄᱥᳮ¢ÈÉ⊤)ூËᫀ௃L090cmD2—1——=E,-gIFJூ᪆௃ூ௃ᵫZ01ÓP᪗ᓱS;50ᑖºP᪗ᓱSᦑᐸÖᦪ;஺=(55—45x0.98)mm=10.90mm=1.09()cm(2)Û2ᵫJKLMឤ()01mg/+Þ(l-cosO)=gmv22ᙠᨬᨵ

15V2F-mg=m--2/+-2ᨵmgcos஺=ὡ☟$ᨵ%=mgὶ'ᓄ)*+21,-.ᦑ.ᳫ1234ᔲ6ឤ89:;<=ᓽ*ᦑ◤⌕ABḄᱥᳮBFo,F„F2Ḅᜧ.FGᙢIJKLMg,ᦑ⌱D஺বᵫ2Qᑖ᪆*S◤89Ḅ<=24-94gIFo14.ᙠ“VWXᔠJḄZ[”]8QᡠᵨᘤᩞᨵaZᩈcdᙽfgBh5NḄijAJklmnᩩpqlrsḄtuᝅwxMyz┑p|lw஺পᐹ᝞ᐵ]8ḄᐸQḄ4.A.mnᩩiឋ⌕ᑮdOJ⌕〉GᜧB.¡¢89OḄ£¤¥ᢝ§C.¨ᵨAJk©JZᔣ«¬AJk®¯°ᦪ²®«³AJkxMD.mnᩩḄt®⌕´sd᪗¶dtuZᔣḄ·⌕¸d425]8.¹ᵨzᵬ»+ᑮ᝞z¼ᡠ½ḄlᑖJᵨஹF2FᔠJFḄz½஺ᐵᔠJ¾ᑖJḄᐵ¿ÀᵨÁ®ÂÃᵨÄFḄÅÆAஹC,ᑣAOC᝞zÇ᪀ᡂdlÊËÌ|ÍÎdᑣÏÐᔠJ¾ᑖJÑÒḄᐵ¿ÍÎÓ¢ÔÕÌÖᑣ஺ூ×ᫀ௃ACDAC¾⊤½ᑖJF2ḄOBsM§

16(1)[1]A.ᔠJ¾ᑖJḄᐵ¿<ᦔÛÜḄᐵ¿ᦔÝ4§Ḅᡠ:ᙠd]8◤⌕ÞlJmnᩩÄdlJmnᩩßàḄᵨᦔݧᑣ£ÖOḄ⌕§JḄᜧ.⌕〉Gᜧd*:ᨵᦔá.âã஺ᦑA஺B.ᙠIä]8¡¢89OḄ*:¾d஺ᦑB┯â஺C.¨ᵨAJk©JZᔣ«¬AJk®*:á.æ᥅èßàḄâã஺°ᦪ²®«³AJkxM*:á.Ꮤᯠâã஺ᦑC஺D.mnᩩḄt®⌕sd᪗¶ᵨdtuZᔣḄ⌕¸d*:á.ZᔣâãᦑD஺ᦑ⌱ACD஺(2)ফ᪷íÓ¢ÔÕÌÖᑣ*S|AC¾⊤½ᑖJFḄOBsM§Ḅᦪ?@Ḅᵯ%ᓄB(IA-IBC)ᐸ!IAஹIBᑖGH⊤ᘤḄᦪ2JKᑖGH⊤LᵯᘤḄᦪ஺NO᪷?ᑖ᪆ᵫBST>ᵯUḄᵯ$VE=V,ᑁ&r=C(3)ᵨYZ[\>ḄᵯUᵯ$V]ᑁᵯ&^_`abE,ro(⌱/“cᜧ”ᡈ“c4”)ூeᫀ௃%43.02.0c4c4ூh᪆௃ூᑖ᪆௃ூih௃

17(1)[1J.oâ+ãᘤᙠᵯ%5äåᑮæ⁚ᵯèḄéᵨoᱏPᔣëoâRìíFᵯ%îᵯãíFîᵯè+ᜧᵯïᑁãtᵯñ+ᜧᑣ%hᵯñíFᓽᵯãR஺tᵯñíFᵯèíFᓽᵯè@Aᘤ1Ḅᦪ+F஺ফᵫ"ᔠᵯ%&'()0IiRo=E-(I1+I2)r+,/=_?_____j'4+rR°+r2ᵫᦪó101ô5Ḅõ3öRo+r4+rᵫ01b=1.50k=lxl0-3E=3.OVr=2.0(3)[4][5|,÷5@Aᘤ1(ìᵯãøὶᐙµᵯñ⊤úᵨᵫᵯè@Aᘤ1Ḅᑖèúᵯè@Aᘤ25ᵯèT¢ìFûìüᡠT¢rUḄᵯñᦪýþḄµᵯ%%ᵯñ⊤Ḅᑖè0ÿᶍᦑᵯḄᑣᵯᔣ᝞ᡠᦑᙶ᪗Ḅ!"#ᵯ$%&'"#(Ḅ)᳛+ᜧᦑᑁ.%&'#/01'஺16.314#5ᵨ᝞ᡠḄ789:;<=>+ᓄḄᐵABC#DᳫFGHI⍝K)LᑖNO8ᵫ☟RSTUI⍝VWXYZ[\ᑮ^Ḽ`a

18(1)k"#14%&ᙠLஹ2Lஹ3Lஹ4L…ᜐḄST!⌕#DᳫbSTᙠ`afᶇ!iHẞNO8STḄ#Dᳫᙠ`afḄYᙳ\!O8Ḅ(2)kᡂ14◀k%&#DᳫrI⍝Ḅ\>hhD.#DᳫrI⍝ḄXYOx(3)§ᵨf¨⌕Ḅᱥᳮ&ᑏ[9:«HᳮḄᐵA¬BW=((4)14#5ᑭᵨ14ᦪ¯°ᑮk᝞ᡠḄᑣḄᙶ᪗⊤(ᵨ14³%&Ḅᱥᳮ&´µ⊤).ூ¸ᫀ௃ᵨ»}«#Ḅᙊᙌᙌ¾»&Ḅ\!ᙊ¿ᓽYᙳ\!ḄO8BÁfூÂ᪆௃(1)HẞNO8STḄ#Dᳫᙠ`afḄYᙳ\!O8ḄBᵨ»}«#Ḅᙊᙌᙌ¾»&Ḅ\!ᙊ¿ᓽYᙳ\!ḄO8((1)᪷¯«HÅ}°BW=-mv'2᪷¯YÆÇÅ}°Bx=vt,h=1gt12ὶÉ}°9:«HᳮḄᐵA¬BW=VÊ4h᪷¯⊤ˬ}Ìk9:«HᳮÍ%&ÎᙢḄyÏ=>◤%&Ḅ&#DᳫḄ¦&m,ᦑ⌱B.(3)ᵫÂ᪆(1)}Ì9:«HᳮḄᐵA¬B\¥=ÔÕ.4h2(4)᪷¯Ö×}ÌW⊤Ḅᱥᳮ&ᡂØÙÚÛÜ⊤ˬÝ=ÞßᡠḄ4hᙶ᪗⊤xL17.3ᐶá#5â%&pᙽXYᩈåæḄ᥅èÜᦪéêëk141478᝞1ᡠ஺

194j:;✌ᐜ"mno#pḄᩈrstᙠuvw☢Yyz{ᐸ|}ᯠᢞYᱥ#ᙽᒴ$ᡭᘤᙠoYᡭmᑡ.(1)2!ḄmᩩoḄmᑖaᦪḄ᝞ᡠᵯḄ⚣᳛850Hz,aᦪᨵ4᪗᪷?!ᦪ?SḄ¢a=/23.(¨©ªᶇms´ᨵᦔᦪ¶)(2)8>t$᥅¸¹ᦪ94j:;ºᐜᵨ»¼>½>#ᙽ^ᱥḄ½ᑖG᝞3ஹ4ᡠᑣ3¬Ḅᦪ8N,4¬Ḅᦪ8N削N包心N三三-三n三1r1三-三-三-l三-一2i一三-h-h三-2一三2一m一一-一n-=指针一n三=一三n-g---n三三3==mE-3--一=n三=--=n-=-=-n三===n一==I=-n三-4-=-m=--r3=图E-一*(3)½¢g10஻?/$2,#ᙽ^ᩈrḄ$᥅¸¹ᦪ஻=(¨©ªᶇ´ᨵᦔᦪ¶)஺ூeᫀ௃0.5()2.001.000.43ூh᪆௃ூih௃(1)[1].aᦪᨵ4᪗ᑣT=0.1s᪷?Ac=aǨᔠ⌲Ê\˲(3.87+3.39+2.88-2.38-1.90-1.40)xl0-29Tm/s2=0.50m/s229x0.12(2)[2][3].ᑣ3¬Ḅᦪ82.00N4¬Ḅᦪ8LOON(3)[41.¬#ᙽ®¯ᱥḄ᦮±²mgvMg=(M+m)aᐸ!mg=1.00N,Mg=2N,h³

20ji=0.4318.ẆÍᱥ±ᒴ%ÎB$ḄÏÐË®ᵨᡭᘤÑË®ᵨᐝᵯᘤ஺1mj:;ᵨᡭᘤẆÍᒴ%ÎB$ᡭᘤᵨÓᵯḄ⚣᳛50Hz,ᡭᘤᙠ4ÔÕ$ḄoYᡭÖmᑡ×®ØÙÚ4ÔḄ$ÏÐ஺জᡭᘤḄᡭᕜÝSoঝᵬ8ßàᡭḄmᩩoᐸ!1ஹ1ஹ3ஹ48áà⌱!Ḅᦪâᔜaᦪäᨵå×æ஺᪷?!᪗Ḅᦪ?Ëᡭᘤᙠᡭᦪ34ÔḄ¢ᜧ48m/s,4ÔᒴÎB$Ḅ¢ᜧ48m/s1mᶇì1çmj:;ᵨ᝞7ᡠ|}ẆÍᒴ%ÎB$஺#ᙽè}ᙠuvéêëìḄ)íîïðt#pḄñB^mò᫜ay#ᙽ^t#pḄñB^éêëìvô஺#ᙽYõ|ö¢83.0cmḄ÷ᐝᩩ"#ᙽᵫ☟ùúèᐜïᐝᵯûüᝅḄᦪ¶ᘤÙÚ÷ᐝᩩïþmᐝᵯûḄ80.015s,ïþÿᐝᵯḄ0.010s,ᐝᩩᐝᵯᑮᐝᵯḄ0.150s஺ᑣᙽḄᜧm/s1,ᶍᏔᯠ!"Ḅ#$%&'()*+(,-.⌱0“2ᜧ%ஹ“2”ᡈ“,6ூ8ᫀ௃0.010.531.44.02ூ;᪆௃ூᑖ᪆௃ூ>;௃প@ABCᵯDḄ⚣᳛G50Hz,ᑣᡭIJᘤḄᡭIᕜMGT=—=0.02sfপᵫOP,QRJᦪITᨵ4I%ᡠW,QḄJᦪIḄ◞0.1s,᪷Zᒴ\]^_`aaIḄbOcdeaḄfᙳ%hWijᡭJᦪI3IkḄlᜧ13.80-3.20_.__.v,=--------------x1i0n2m/s=0n.53m/s32x0.13᪷Zᒴ\]^_`Ḅmnopqx=arhWijḄᜧ

21í4%23(13.80—7.80)—(7.80—3.20)ci=xlO2m/s2=1.4m/s2,2O.l2(1)[5]ᐝᩩsdᐝᵯḄ0.030,…V.=---------m/s=2.0m/s10.015ᐝᩩsdᐝᵯḄ0.030,,V,=-------m/s=3.0m/s20.010ᑣᙽḄᜧa=~~—=-~-m/s2=4.0m/s2t0.25যᵫ+uvᳮhx%_`ᐝᩩᐝᵯᑮᐝᵯḄ%ᐝᩩᐝᵯḄOᓃ%ᐝᩩᐝᵯḄz%ᵫOᐝᩩ{ᒴ_`%ᑣ\ᓄ'}%ᡠW&'()*+(,-2஺19.ᙠᵨᵨᵯ⊤Ḅ+ua஺ᡂᑡ⚪(1)ᵨᵨ⊤&'ᐗḄᵯ%⌱ᵨ“xlOO”᳛Ḅᵯᢱ&'%ᵨ⊤ᢣ┐2d%◤⌱᳛Ḅᵯᢱ(0“xlO”ᡈ“xlk")◤(0de)¢%£¤¥¦&'%ᵨ⊤Ḅᢣ┐᝞¨ᵬᡠª%&'«¬_(2)6®¯JjḄ°±ᵯ⊤%ᵨᩭ&'ᵯ%ᐸᑁµ«᪀h·ᓄᡂ¨¸ᵯ¹%ᐸaᵯDᑁr=1.0C,ᵯC⊤GḄ'eI,ᦑ»sd¼½CdᵯC⊤GḄᵯC(¾¿ᑮÀ&ᵯḄ(஺ÁÂÃs°±⊤Äg6ḄGÅÆÇp஺c6®ÈᵨᵯÉRஹᩭ&jᵯ¹aᵯDḄᵯ`ÊEÂ⊤ᜮḄ'eÌ,¥¦᝞ÎÏGa.ᐜR⊤ÑÄÒᐭÔÕᵯ%Ö×᝱Å`ᵯᘤ⊤ᜮÙ2Úb.Û°±⊤)ᵯÉRஹÜᡂÝᔠß¹%ᦋ\ᵯÉ(ÚáᵯɪRஹÂ)âãäḄᵯC⊤GḄªᦪI;11c.ÛáåḄᔜçRx,IḄᦪZèIᙠ¸¨a%¿ᑮéê¨^᝞¨ëᡠª;1A,.11d.᪷Z¸¨¿Ḅ7-r¨^%ijᵯDḄᵯ`ÊEÂ⊤ᜮḄ'eᵫë¨hxᵯDḄᵯ`Ê14,°±⊤íᑁ,ᵯC⊤GḄ'eG,

22ூ¸ᫀ௃xlkîïðñ(ᡈᵯ.ðñ)60001.56.00.25ூÂ᪆௃ூóÂ௃(1)[1][2][3].ᵨ⊤ᢣ┐ö÷>ø#ùúᢣ┐☠üýþᜐᡠ⌕ᣚᢱ◤⌱xlk,ᵨ⊤Ḅᢣ┐6000஺஺ফd.[4][5][6].ᵯ⊤Gᡠᙠ!"◀ᵯ$ᑁ&᜜ᐸ)ᵯ&*+R,ᵫ-ᔠᵯ"/012/=———-----+R+Rxᵫᑖ4ᳮ2ὶ789᦮ᳮ21R+rRr1H------x;EE&ᵫ<=>/?r9-412E=1.5V,R=5dᡠ?⊤@ᑁ&R+r=6Cᵯ⊤GḄABE=0.25AR+r12R=6.0QI=0.25Ag20.᝞<ᵬᡠEFAᵯGHIJḄKLMNOPQᜧḄᙊTᓱVW/ᙠᵯGHIXYᙠᵯGHḄZG[ᒴJIGᙠᙊTᓱVḄ]^ᚖ`aMb;cᦋMbḄᵯefgᘤii◞TḄᵯef=ᙠᓱVYᶇ[lm஺

23ᵯîïJᘤ(1)Ûᑡ+uÎÏᢥᐜ¢᣸ò—஺জᵯîïJᘤ)ᙊöᓱøùᢝûüÒýঝÒsᵯîïJᘤḄᵯD%ÿᩭঞᵯᙊᓱᩭটᐵᵯᘤᐵᵯẆᓱᶇḄ!"(᝞%&ᡠ()ᑏ+,-.3Ḅ⊤12,4ᐭᦪ78+3Ḅ9:;(2)⌕8ᑮ3Ḅ9:;>?@AB⌕Ḅ9:ᐹDEA.F⊤B,GHI.JC.ᙊKD.:,ᘤ(3)ᑏ+,-.3Ḅ⊤123=_,Nᢣ+⊤12PᔜRᱥᳮ:ḄUV—o0ூYᫀ௃জঞঝটD(0=-——0_nR`abḄᙊc,("T)Tூd᪆௃ூfd௃পপhijᐜlᵯᘤmᙊᓱnᢝpqrsᐜᓱᱏuᡭ`ᨬxy+ᓱᱏz{ᦪ7ᜐᳮ.ᦑ_জঞঝটফফ⌕9+,-.◤⌕9:``Ḅ,.◤⌕ḄᘤᩞE:,ᘤᦑ⌱D(3)[3]᪷7஺="ᑣAreco=-----------,(N-1)T'|4|0EnR`abḄᙊc,TEᵯᘤḄᡭ`◞஺21.ᙠ“ᵨDISijẆ-.m:Ḅᐵ”ijPᡂᑡ⚪(1)ᑡPḄE()A.⌕ᑴ¡¢£ṹḄ:¥¦§B.⌕ᑴ¡Ḅ:¦§ᦋ§£ṹḄ:C.⌕ᑴ£ṹḄ:¦§ᦋ§¡Ḅ:D.¡¢£ṹḄ:¥⌕ᦋ§

24(2)ijP98©⊤ᡠ(Ḅª«ᦪ7N¬ᙠᙶ᪗¯☢±+²ᑖᦪ7`ᙠ%P±+´µ«ᦪ7abḄᦪ7`ᯠx·+a-mḄᐵ%¸()«¹12345a(m/s2)0.330.280.250.220.20m(kg)0.300.350.400.450.50(4)ºij8+Ḅ»¼E.ூYᫀ௃C½d᪆—ᙠ᜜¿¦§-.m:ᡂÀÁMூd᪆௃ூfd௃(1)ÂÃhijEÄ-.m:ḄᐵÅᵨᑴ§:z{ẆᡠÆ⌕ᑴ£ṹḄ:¦§ᦋ§¡Ḅ:ᦑC஺(2)2·+a-mḄᐵ%¸᝞%;almV2(3)3ᵫÉaoc1-,ᡠÆ஺81-%¸bEᩩÎÏ`ḄÐÑᡠÆᦪ7ᜐᳮÒ+am1-Ḅ%MMM¸஺(4)ÂÓ-1%¸EᩩÎÏ`ḄÐÑᑣᙠ᜜¿¦§-.m:ᡂÀÁ஺M22.ᵨ᝞%ᵬᡠ(ÕÖ9×ᩈᙽmÚᩈÛḄ᥅ÝÞᦪ஺ßᙠà¯á☢ḄÚᩈÛâãᨵ×åæ,çâè×ᨵᡭ`ᘤéÎᡭ`ᘤḄãêrᙠᩈᙽëÎ×åæḄìÑâêrᙠᩈᙽ,çâíᢞÕᨵïṹḄïṹðñòᩈᙽ☠ôᡭ`ᘤ஺õᙢḄ÷¿-._g஺

25ᩈ/ᡭqgᘤ(1)KLr◤⌕⁚ḄvwxyᩈᙽḄ{|}~ᩈ஺(2)yᵯ$VZ<ᡭḄVZYqmᨎḄ;VZY0ஹ1ஹ2ஹ3ஹ4ஹ5ஹ6gᦪqgᦪqiᙳᨵcgq᪗ᡭqgᘤᡠyᵯḄ⚣᳛;,FVZYgᦪq0ஹ2iḄgᦪq4ஹ6iḄ஽ᑣᡭgᦪq5ᩈᙽḄJvᜧ;ᩈᙽḄJvᜧ஺(3)ᩈᙽḄAᢞḄ¡ṹ+¡ṹ£Ḅ@A஻ᑣᩈᙽ}~ᩈiḄG᥅¦ᦪ;஺⁐(x-x,)/2m(/«+M)(x2-x,)/2ூ¨ᫀ௃/«¬210M200Mgூ1᪆௃ூᑖ᪆௃ூ¯1௃(1)প⁚/«¬ḄvwxyᩈᙽḄ{|}~ᩈ஺(2)[2]ব᪷³i´qJvµ¶·iḄᙳJvᑣ=¸ᡭgᦪq5ᩈᙽḄJvᜧ᪷³^x=at~2ᩈᙽḄJv„_—᳝_(X2~Xl)f-Jiof-200(3)[4]ᵫ½¾¿À/0ᨵmg-/jMg=(m+M)am(m+M)(x-x)f2tM200Mg23.᝞<ᵬᡠE;᪷Á~=ÂᶍḄÄÅÆÇÄ/«¬8cAµḄ¡ṹ£ᑖÈɶÅḄ8Ê஺ᵬஹ8ËᑭᵨÍMNÎÏÉÐJv}ᐸᡠÑᔠÒḄᐵÉ஺ᐳᨵ9cAᙳmḄ¡ṹÕKLwᵨ஺

26Aa(ms'2)02.04.06.08.010.0F/mgᵬ&øYᑡ⚪(1)ijPᵬlùðúûាqmᙢ☢rs&ý5Rấṹßᙠÿ4ṹᙠ஺,ᵬᵫ☟ফ⌕পḄ!"#$ᜧ&Ḅᦪ()ᑡᘤᩞ-./ᵨḄ12(4567ᫀ᪗:);A.=>B.?⊤C.ᜩBD.CDE(3)FGHᵨQ)⌱JḄᘤᩞ⌕KLMNOḄ-⌕ᱥᳮL1R(4)ᵫ(3)KLSᑮḄᱥᳮLḄᦪ(᪷(VW(ᵨᡠKLᱥᳮLḄZ:⊤[)\]!^"#$Ḅᜧ&R(5)_`aḄbṹ⌲dᑮefg(1)(3)(4)Sᙠhijᔠlᵨ)"#$Ḅᜧ&,mnḄᦪ(᝞)⊤Fᑭᵨ⊤ᦪ(ᙠqrstuv^a-FqwNO`ᦪ12345ᔠ᜜lF\mg)13579"#$a(m,s-2)0.200.600.991.381.80(6)^Ḅa-FqxySᑮḄNOz{1Rூ7ᫀ௃ABᵨ=>KLeᙢ☢Ḅ$h,ᵨ?⊤mne)ᙢ☢Ḅth=-at2L2ᐸ"#$ᡠhᔠ᜜lᡂ52ூ᪆௃ூᑖ᪆௃ூ௃

271,(2)[1]᪷(NOᳮ\bṹᒴ"#ᵫVWl=2஺/\⌕Sᑮ"#$KL,ᵨ=>KLeᙢ☢Ḅ$h,ᵨ?⊤mne)ᙢ☢Ḅt,ᦑAB56஺ᦑ⌱AB(3)ফᵫ(2)\⌕KLMNOḄ-⌕ᱥᳮLᵨ=>KLeᙢ☢Ḅ$h,ᵨ?⊤mne)ᙢ☢Ḅt(4)[3]᪷(NOᳮ\bṹᒴ"#஻2(5)ভ᪷(⊤¡ᦪ(tu᝞q(6)[5]ᵫqx\a-Fqx¢£¤uḄ2ᩩGHLi¦"#$§ᔠ᜜lᡂ5஺24.¨j©ªᵨ«¬ᵯ᫑ᵯ°KL2±ᵯ²RxḄ²³஺ᵯ°´³ᵯ²Ri=1000QஹR2=2000C,R3¢ᵯ²¶(²³¸0-999.9஺)G¢ᮣºᵯ»஺পᐹ½¾¿᝞)RজF_(ᳮqÁÂNᱥq________;ঝÅᔠÆᐵS,ÈgÉ⁚ᵯ²¶Ḅ²³Ëᐸ²³R3=740.8஺ᮣºᵯ»Ḅ[ᦪ¢0,«¬ᵯ᫑ÌᑮB⊝ঞÏSᵯ²Rx=(2)Ðj©ªᵨsÑᘤᩞ§ᵯ°KLÒ2ᵯ²ÓᘤᩞÔÕÖ×ᵯ°ÁÂØÙÚÔ{Û᪵É⁚ᵯ²¶Ḅ²³ᮣºᵯ»Ḅ[ᦪÝiy¢0,\yḄÞ1O

28RxÖூ7ᫀ௃370.4ᵯ²¶Ḅ²³É⁚¸&ூ᪆௃ூᑖ᪆௃ூ௃পজপ᪷(ᳮqÁÂNᱥq¢ঞ2Ëᮣºᵯ»ßᦪ¢à᪷(ᵯ᫑B⊝\S×=4&4SR==370.4Q*R,23ᮣºᵯ»Ḅ[ᦪiy¢0,ᑣᨵ&\SᘤḄ³ᦑ\yḄÞ1ᵯ²¶Ḅ²³É⁚¸&஺᪷(⚪ä\ᵯ²¶Ḅ²³&Ḅ³-&æ25.ᙠ“tè&éêḄëìᱯឋï”ḄNO◤KL2᪗ᨵ“3VJ.5W”éê´òḄᵯó§¤éêḄᵯ».õᨵ᝞)ᘤᩞ:»ᵯ÷øᵯù1.2V,ᑁ²iûᵯ»⊤AiøLü1A,ᑁ²ý2.1஺ûᵯ»⊤A2øLü622mA,ᑁ²ý5஺ûᵯó⊤ViøLüIV,ᑁ²ý1k஺û

29ᵯó⊤V2øLü15V,ᑁ²ý222kCþ¦²ᘤRiø²³212஺ÿᵯ1AᘤR221k஺ᵯ122mA1ᙠᵯ⊤⌱“AFᡈ“A2”ᵯ⊤⌱“Vi”ᡈ“V2”ᘤ⌱“Rrᡈ“R2”.2ᵨaஹbஹcஹdஹeஹfஹg!h"#ᡂ᝞&ᵬᡠ)Ḅᵯ+,ᙠ-&.᪾0ᡂḄᵯ+&1"#ᵯ+123ᡠᨵᐗᘤ6708ᵯ⊤!ᵯ⊤9:;<23ᔜ>ᑖ#@A8.CDᔠFᐵ1HI:⁚ᘤKLMḄNOPQᓄCᵯ⊤!ᵯ⊤)ᦪTU:V;ᑣX+ḄV.4᝞&YZK[ᙠ᪷]^_Ḅᦪ]ᙠ.`abc_KLMḄdeᱯឋh.ijLMklm6.2஺Ḅᵯnὶp##ᙠ⚪rsḄᵯtuv,wxKLMḄ▭z᳛1>=W|ᶇu~ᨵᦔᦪ.i◤c&p#ᙠ&ூᫀ௃AViRi2.17W(2.15W-2.18W)2ூ᪆௃ூ௃পপLMᵯI=P/U=1.5/1A=2.5A,

30ᵯ⊤⌱A2622mA,ᑁ5CফLMᵯVIV,᝞⌱15Vᑣᜧᦑᵯ⊤U⌱V1IV,ᑁ1k஺পKLMḄdeᱯឋh⌕ᵯ;Fᓄ◤ᵨᑖᵯ+.V|¡ᵯ+eᐰ.£¤cᘤ⌱¥Ri2~12஺ᵯ1A24ᵫᱥᵯ+&¨ᘤᵨᑖ#©ᵯ⊤ᵨ᜜#©.᪷]ᱥᵯ+&c_ᵯ+&᝞&ᡠ)¥5KLMḄNO«PQᓄCᵯ⊤ஹᵯ⊤¬©:V;®ᑖᵯ+ᡂ▲ᵯ+hX+;46ᵯ±VIVḄᵯtk6.2஺Ḅᵯnὶ[ᡂ²ᦔᵯtᙠLMdeᱯឋhc_²ᦔᵯtḄU-I&³᝞&ᡠ)¥u&³Ḅ´µᙶ᪗V:U=1.2V,I=2.1A,LMz᳛V¥P=UI=1.2Vx2.1A=2.16W.26.ẆºឋZK[V»^ᵯtḄᵯ±E!ᵯ⊤VḄᑁRஹ.¼½ᑮᘤᩞ᝞À:A.Á^ᵯtᵯ±EV2V,ᑁTÂB.Á^ᵯ⊤VVIV,ᑁV100஺C.ᵯiÃᨵ¥50.0஺100.0஺500.00,1.0k£2D.ᓫᑐFᐵ2m1ẆºK[Æ»᝞&ᵬᡠ)Ḅᵯ+Çᳮ&,᪷]Çᳮ&ᙠ&-Ḅᱥ&b0ᡂ"஺

314RV<ᵬ<Ù(2)V»0ᡂ^⌕ᵯ⊤ḄÉᦪTKÊᐸḄ;ᑣ&ᵬRi=CáR2=dবᙠRiஹR2⌱ÍÎḄÏÐÑÒ¤cÓᵯÔᵫDᔠஹS2XFÕᵯ⊤ÉᦪV0.71VÓSiஹS2ᙳDᔠÕᵯ⊤ÉᦪV0.90Vᵫ׫_Rv=CᵯtḄᵯ±E=(|ᶇ2~ᨵᦔᦪ)஺ூᫀ௃10050871.9<ூ᪆௃ூᑖ᪆௃ூ௃(1)ÛÜ᪷]ᵯ+Çᳮ&ᱥ"᝞&ᡠ):<ফফï3ñ᪷]ᑖÝÞlyV100Q32V--VRஹ3nὶᙠᵯ+ḄßᵯVRஹ=500஺ᡠ«50().()஺!l.OkQᜧTUᵨᔲᑣᵯ⊤Ḅ)ᦪTáâ⚪⌕V»ᙠ⎃DᔠÕUäᨵᦔḄ|åᵯ+ᡠ«4=100஺6=50a஺

32বভমÓᵯÔS1DᔠஹS2XFÕU_Et%R]+&+RஹÓS1ஹs?ᙳDᔠÕ4E&&+RvèR,=87Q,£=1.9V27.ᑭᵨ&ᵬᡠ)ᵯ+^lV3mAḄpᵯ⊤ḄᑁRAV110஺஺rsḄᘤᩞᨵ:A.pᵯtᵯ±VIV,ᑁTÂB.ᵯê0999.9CC.ᘤ0-5C.ᵯV3AD.ë0~50஺.ᵯV1A஺1V»ìUíK^ᘤR⌱ᵨ⌱"C”ᡈ"D”஺ফ᪷]&ᵬᡠ)ᵯ+ᙠ&-ᵨîïðjᱥñḄ"⊡ᐙ0᦮3õ⌕ö÷᝞À¥I.jᵯêRoḄ:V;ᘤRḄᱏPùᑮúvII.DᔠFᐵS,:⁚ᘤRḄᱏP,ûᵯ⊤Ḅ)ᦪV3mAI.:⁚ᵯêRo,ûᵯ⊤Ḅ)ᦪV1mA,É_×ÕᵯêḄR“IV.XFFᐵS,᦮ᳮ8üᘤ஺49¨Ri=208.8C,ᑣᵯ⊤ᑁḄ^V஺ᵫÊýþᵯ⊤ᑁḄ^_____⌱“ᜧ,“,ᡈ“஺

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37ᦪãäJ<⁚ᵯ¨ÍRiåæ)*çOPäèᵯ¨ÍRiḄ¨âRuᵯ±⊤AḄᦪI஺ᦪᜐᳮÇᵫ)*ᦪê»Ḅ;ᵫ,»ÉᵯÊḄᵯeÄE=V,ᑁ¨r=஺(²ìíT}ᶇï¥ᨵᦔᦪ5)ூiᫀ௃0.20D1.50.25ூl᪆௃ூnl௃rDñ.᪷óçὶᵯḄõ±ᵯ¨ÍRiḄᵯ±1=(0.60-0.20)A=0.40Aᵯö÷ø+0.0401raU=0.10x0.40V=0.040V,ýIᵯ±⊤ᑁ¨RA=--------Q=0.20£2.0.20rïñ.ᵯÃḄᵯeÄuᑁ¨ÇàÒÒᐵK,<⁚ᵯ¨ÍRi,ÒᐵSÖD஺rþñ.rÿ.᪷ᔠᵯE=I(R+RA+F),"31RRA+r-=—+IEE44H-r*13.0-1.0R+r᪷H!—^A=03"E=1.5V,r=0.25Q32.᝞ᡠ%&ᵨᐝᵯ)*+ᳫ-./0ᑮḄ34Ḅ56஺89&dஹ;<&mḄ+ᳫ=ᵫ-.Ḅ?@ABᐜDE?ᐝᵯ)AஹB,F/56*G+ᳫE?AஹBḄ/HᑖJ&t,\ஹtᵨ+ᳫE?ᐝᵯ)B,)ḄKᙳMN⊤%+ᳫᳫPE?ᐝᵯ)ḄQ/MN஺*GRᐝᵯ)HḄST&h,UᙢḄW4!MN&g஺X+ᳫᡠ0ḄY34ᜧ[\஺(1)+ᳫ-.Ḅ!MNᜧ[a=+ᳫ0ᑮḄY34Ff=(2)]⚪“ᵨ+ᳫE?ᐝᵯ)ḄKᙳMN⊤%+ᳫᳫPE?ᐝᵯ)ḄQ/MN”Babcdefghi\jkḄB▭g+ᳫE?ᐝᵯ)ḄKᙳMN(⌱o“ு”ᡈ"v”)+ᳫᳫPE?ᐝᵯ)ḄQ/MN஺1(d2d2]mூvᫀ௃Qெmg------

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48(2)ᵫ'ílmîᵯïᵯðᑁòḄó*ôᑖõéE&=,r=oMব᪷?'öVᵯ¯⊤ᑁòRA=oூqᫀ௃Bᵯ¯⊤Ḅ)ᦪ÷R3.00V1.0C1.0஺ூu᪆௃ூwu௃পপù1ú1!-lûᵯ¬⊤ஹXôᵯòüýᵯ°þÊ?@ABᦔᵯ᪷ᔠᵯE=UDᵯB!"#$A"ᓽᨵ4=UA=3.0()V[4]ᵫS261789U-/!"ḄB"H#ḄIᵯ4J/I=18=0.6Aᡠ/•N+&="=£=5.0£1TூBUVr*=l.()Q[5]HA"᪷ᔠᵯVH#ḄIᵯ4JE---------------=0.5Ar+R+R0AUVᵯ4⊤ᑁJR*=1.0Q40.᝞!(ᵬ)ᡠ[@7\]ᑭᵨᐝᵯa9ᘤBᘤᩞ?“efghijឤ”Ḅe.ᨵ@noJdஹpJmḄqrᳫᵫAᜐu☟wxyz{|}~i|AᜐzஹBᜐḄᐝᵯVAஹBḄJH(H»d),ᐝᵯa9ᘤzᳫ|ᐝᵯḄ9Jt,5ᙢḄJg.!I

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50ᡠᔜᦪḄ◞0.1s,ḄF=No11.50ூᫀ௃0.504.50ூ#᪆௃ூ%#௃(1)[1]Aᜐ'⊝)᝱ᡠ+᥅-.'/01ᦪF=F=2.50N(᪷3F=jumg{Ap=0.50ফᵫ⚪789ᒴ;<=>?@᪷3—=C2ᐸAx=2cm=0.02m,T=0.1s#(2=2.0m/s2᪷3EFGHIJF-F=ma(BKᐭᦪ3#F=4.50N42.MNᵯP⊤VḄᑁSTUVWM᝞1ᡠḄᵯX஺ᐸV஺Z᪗\ᵯP⊤Ro]Rᑖ_Z`@aSᘤ]ᵯScS]Siᑖ_Zᓫᑐfghᐵ]ᓫᑐhᐵEZᵯj஺Iপᵨmn>Kop>᪷3᝞1ᡠḄqrsᳮu᝞2ᡠḄqᱥwxy᦮

51ফe᝞zজSᔣ61,6⁚,⊤ᜮᢣ┐¢£ᑮ〉578z¦9Ḅ§ᦪUঝᯠ'Sᔣ62,«ᢝRo®⁚,,z¦9RḄ§ᦪ%ঞ°±²³´|}aµR§ᦪḄ,ᓽJᵯ1⊤ᑁḄ஺(3)eVᵯ1⊤Ḅi=¶)ᙠ-.◀Ꮤᯠ-.0¹᜜»ᨵ¼½iḄ/0¾ᑏᐸ~@ÁiḄ/0»ூÄᫀ௃᪗Èᵯ1⊤hR᪗Èᵯ1⊤%ÊJUËᙳᵯÌÍ6ᵯ4|ᵯÎÏÐÑᵯÎÒ®ᓄᵯÍÔᵨÕÖ9ᵯ×ØᑁÙᜧB஺ூU᪆௃ூÜU௃(1)ᵯÍ"᝞!%(2)জSᔣ61,6Si,⁚Ro,⊤ᜮᢣ┐¢£ᑮ〉578z¦9᪗Èᵯ1⊤V஺Ḅ§ᦪUঝᯠ'Sᔣ62,«ᢝRo®⁚R,᪗Èᵯ1⊤V஺ÊJU,z¦9RḄ§ᦪ%ঞ°±²³´|}aµR§ᦪḄËᙳᓽJᵯ1⊤ᑁḄ஺(3)/0ᵯÌÍÔ%ᵯ4|ᵯÎÏÐÑᵯÎÒ®ᓄ%ᵯÍÔᵨÕÖ9ᵯ×ØᑁÙᜧB஺43.Ýᐶßàᵨ᝞!ᡠ[ḄáâᩭäᴻḄᢚç᳛éᩭ@ᑗ☢JìᳫḄíîäᴻẈðᐝÎÒᘤ஺ñðᐝᚖnó☢ìou஺çᔣäᴻẈᑣᐝ"õḼç%ñðᐝÎÒᘤᔣ÷øuMᚖnó☢çᔣäᴻẈᐝ"õḼ᝞!ᡠ[ḄᔣuNçñùú¦äᴻẈḄᢚç᳛◤⌕ýþzÿ(a)ᴻẈḄo(b)ᐭ4Ḅ,ᢚḄ஺(OᴻẈḄᢚ᳛⊤.

52{{si|4QN}~ᐝ>Ḅᜳ%ᖪ"ZAB0ூ#᪆௃ூ%#௃[1].ᐝ>ᚖ=☢ᐭᔣᦋaᦑ஺ᚖ=☢ᔣᴻẈḄᐝ>u00'ᔣ~஺(a)[2].~N,wxON,ONᓽ¢£஺(b)[3][4].wx஺Vᓽ¤>ᐭᐝ>}ONᜳᐭ4~ᐝ>}QVᜳᢚ஺2஺(c)[5].ᵫᢚ᳛§¨8sin&n=-----sin஺1(d)[6].ᐝ>Aᐭាªᐰ¬ᓽ/AB஺.'®஺44.MN¯ᵯ@°±6V~8V,ᑁᵯS²'3஺Ḅᵯjᵫ'=³ᵯP⊤´µᨵ3V,◤⌕u¹µᵯP⊤º»wxN¼IᵯS(ᵨᵯScKo)ᦋ¿´9VḄᵯP⊤ᯠÁÂᵨÃĤᵯjḄᵯ@°]ᑁᵯSÅÆZÇÈḄqrÉÊ»´Ë(1)ÌᵯP⊤´᡽ᜧqrᵯX᝞ᵬᡠqrÐÑ᝞ÆyᡂÓÔ஺GNÐËᢥᵯXwxqᱥGHÐËÌ`@aSᘤ`@ᱏ×ᑮᨬÚÛÌᵯScSÜÝᑮÞGßÐËàᔠᵯâÌ`@aSᘤ`@ᱏÝᑮ〉äåæᵯP⊤çᦪ3.0VGèÐËÌᵯScSÜÝᑮ〉ÜæᵯP⊤çᦪV஺

53GéÐËÂᦋaᵯScSÜêᢝᵯP⊤]ᵯScìὶîïᐸð>Xᓽ´9VḄᵯP⊤2Åñqrò⌱ôḄᘤᩞᨵËA.ᵯP⊤ö´3V,ᑁS±2kCB.ᵯ³⊤ö´3A,ᑁS±0.10C.ᵯScöSÜø09999QD.ᵯScöSÜø0—999஺ùE.`@aSᘤöSÜ020Q,úIᵯ³3AF.`@aSᘤöSÜ஺û20kQ,úIᵯ³0.2AᵯScü⌱_______,`@aSᘤü⌱.ঞᵨ᡽ᜧḄᵯ⊤ᵯ⊤Ḅ⊤ᵯᵯEᑁᵯr,ᵯ᝞ᡠ!ᑮ#$ᵯ⊤Uᵯ%IḄ&'()U—I*᝞+ᡠ,-ᵯ.Ḅᵯ/—V,ᑁᵯ/Q஺234ᶇ26ᨵᦔᦪ:ூ<ᫀ௃1.0CE6.91.5ூ?᪆௃ூA?௃1BCD3VḄE%ᵯ⊤FGᵯHᦋJ//9VḄᵯ⊤KLE%ᵯ⊤MᵯHNὶ᦮Q(/GRᵯ⊤S⚪ᑖ᪆ᵯH&VᑮWᵯ⊤Xᦪ/3V,ᑣ-DᵯH&Vᑮ〉[&\ᵯ⊤Xᦪ/U=x3V=1.0V922ᵫ⚪ᵯ⊤Ḅ/3V,ᑁ^/2kC,⌕ᦋJᡂ9VḄᵯ⊤᪷SNὶᵯḄᱯc,-ᡠNὶḄᵯHᵯd/2x2kQ=4k£2ᦑᵯHd⌱Cgᙠᑖᵯi/jkV⁚mᘤ⌱ᵨ&opḄᓽ⌱Eবভᵫ+X)᜜ᵯuKᵯ⊤Ḅᵯ/U=2.3VᑣᵯḄᵯ/E=2.3x3V=6.9V5ᑁ/2.3x3-1.5x3஺=1.501.645./vᶍᵯpxyzᵨ/5mAḄ{|⊤ஹᵯ/3VḄᵯ.ஹ0999.9஺ḄᵯHᑴ

54ᙽ᧕!⊤"ᵯ$᝞&ᡠ(:Rx(1)*ᑴ!⊤"_-./0⊤Ḅᑁ2(4“◤⌕”ᡈ“:◤⌕”)<(2)=>!?@AB,ᵨD⊤Eᵯ2F,a⊤GH⊤G(4“I”ᡈ"K”),LF/0⊤Mᦪ*2.5mA,ᑣPᵯ22Q*(3)᝞Rᙠ/0⊤TUVὶXᵯ2"ᐸZᵯ$ᙳ:\"⊤]^_`abcḄᵯ2Q—(4“\ᜧ”ஹ“\g""ᡈ"":\"")<(4)D!⊤ᵨhB"ᵯiὁᓄ⌼ᡂᵯnopg"ᑁ2qᜧ"rst=>!?@"ᑣᵨᐸuḄᵯ2Q—vwQ(4“ᜧx”ஹ“gx”ᡈ“yxூ{ᫀ௃:◤⌕I600\gᜧxூ~᪆௃ூ~௃(1)[1]!⊤ḄᳮI_EEᓽEgᑣ:ᵨ.ḄQ<᪷ᳮucᵯbcḄᵯ2Q஺(2)[2]⊤G!᫏ḄᑁᵯḄ᩽"᪷ᡠᨵI=KᔣḄ"⊤Gb*K⊤G"⊤Ga*I⊤G<[3]/0⊤Mᦪ2.5mAH⊤ᜮᵯ5mAḄ"ᨵ

55Eg2Rx+42,-KḄᵯ&⊤ᑁᨵ&=%=ᔆ=ᵫ6஺஺஺(3)[4]ᙠ{|⊤'ὶGQᵯᨵEᐸᑁ/ᔆ&pᓽi&&p஺(4)[5]ᵯ.ᵯpᑣVW⊤Ḅᑁᦑ⊤Ḅᑁpᵫ⊤Ḅi&ᵯ⊤Ḅᑁᦑ▭K[Xᦪ/600஺▭ᵯp600஺Ḅᦑ&ᜧ▭ᵯ&஺46.ᵨ᝞ᡠJ,ឤ¡¢£Ḽ¥¦Ḅᱥ¨AஹB,ᱥ¨B©ªG«¬ᱏC,®¯°©±G«¬ᙊ³ᙊ³ᜐᙠᱥ¨BḄµ¶j«¬ᱏCMᙊ³·Ḅ¸¹/h,LAஹBஹC$ᡂḄ£ºᵫ☟¼½ª.[ᱥ¨B¿Àᙊ³K«¬ᱏCÁᤁᙠᙊ³©Q±ᙠ®¯°ÃஹP2ᜐḄᐝᵯÅÆÀᵯÇÈKᘤ,)ᱥ¨BÆÀP1ஹ1>2ÉÊËÌḄK·.TTBᵯÇ(1)Í!PlஹP2ηḄËÌ/d,ᱥ¨BÆÀÉÊËÌḄK·/t,ᑣᱥ¨B¿Àᙊ³ḄÏv=(2)Íᱥ¨AஹBḄ¥ᙳᵨM⊤«¬ᱏCḄ¥ᵨm⊤ÑÒÓÏ/g,iÔ____________ᡂÖᓽ,ឤ.(3)×iḄØᘤ◀ÚஹᐝᵯÅஹᵯÇÈKᘤ᜜Û◤⌕.

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62(ᵬ(1)~ᡠᵨÞ┴êÙ150gëìᑡí⌱ḄᩈᙽêÙᨬᔠ〉ḄïA.20gB.260gC.500gD.600g(2)ᐵW~z{Xðñò⚗ᑡóµ¡ḄᨵA.~yᐜö÷ᩈᙽø·ᵯiB.ù᦮®ûüýþÿ☢C.ᩈᙽ┴ᜧD.ᩈᙽᑮ!"#ᙠ0.6m%&(3)'()ᑮḄ+᪷-.᝞01ᡠ345678ᨎḄ:;<4=57ᡭ:?+7@ᦪ:4BC᪗E0ஹ1ஹ2ஹ3ஹ4ஹ5ஹ6,G):O:3ஹ:6HḄᑖJK19.90cmஹ54.20cm,@Lᘤᡭ:ᕜOK0.02s,ᑣᩈᙽQRSa=—m/s2(TᶇVᨵᦔᦪY)[□f2Rᵨ+(4)'(G)H=0.33,ᜧ\ᦟᩞᑡ⊤aḄ᪗b4cᑏEV7efḄghi—4oூlᫀ௃BBD1.6ᩈᙽஹᩈ⊤☢opqSᨵrs᥅vᡈ-.@Lᘤ᥅vூx᪆௃ூᑖ᪆௃ூzx௃(1)[1]ᵫ⚪}4┴Ḅ~m=150g%&4᥅vhᦪ஻=0.30,ᩈᙽḄ~KM,Kᩈᙽᙠ┴ḄᩈᒴQR4᦮4᪷ᨵmg-juMg=(m+M)ax)"ᔞ.஻MgCl-m+M᪷ᩈᒴQR4ᓽa>0,e)mg-fxMg>0x)M<500gᩈᙽḄ~ML4᥅v4᦮ḄQRSᜧ4ᙠ-.ᡭḄ:4ᑣᙠ@QRSLrᜧ4ᑖ᪆e}4ᩈᙽ~ᨬᔠ〉Ḅ260g,ᦑB¢ᔠ⚪£4ACD¤¢ᔠ⚪£[ᦑ⌱B஺(2)[2]A.'(L#ᐜ¨©ᵯ«4¬-.4ᦑA┯[

63B.KT®ᩈᙽᡠ¯ḄKḄ4ᑣ#°᦮Ḅ±Sᩈ4ᦑB!²;C.᪷'(gᳮmg—/dMg=e}¤ᩈᙽ┴ᜧ4ᦑC┯[D.Ꮇᩈᐝ4᦮¯ᑖ᪆4᪷ᨵmg=(m+M)cz·(1)¸aḄm=150g,M=260g¹ᐭ»4e)QRSau4m/s2K¼r4@½¾4+¿ᙠ-.=◞57:?+7@ᦪ:4ᓽLHH◞T=5x0.02s=0.1s,©"?5Á67@ᦪ:4ᑣÂLHK0.5sᑮ0.6s,?ᨬ;<Ḅ@ᦪ:5ÃRSK0;<Ḅ4᪷ÄLHÅ»ᨵ12x=—ar2?t=0.5s@e)x=0.50m?t=0.6s@e)x=0.72mᦑKƱ-.ᑭᵨᦔ᳛4¼'(r4ᩈᙽᑮ!"#ᙠ0.6m%&4ᦑD!²஺ᦑ⌱BD»(3)[3]ᵫ⚪}4=◞57:?+7@ᦪ:4ᑣLHH◞T=5x0.02s=0.1s,᪷e)QRSKᵫ⚪}K3=19.90cm,x=54.20cm,¹ᐭᦪx)06a=1.6m/s2(4)[4]'(G)H=0.33,ᜧ\ᦟᩞᑡ⊤aḄ᪗b4᪷'(gᳮᑖ᪆4efÊᙠḄghᨵiᩈᙽஹᩈ⊤☢opqSᨵrs[᥅vᡈ-.@Lᘤ᥅v஺52.6ËÌÍ·+qK1mAḄᮣÏᵯÐ@GᦋÒKÓᵨᵯ⊤4ÔḄÕᑖ'(Ö×᝞i(1)Ôᵨ᝞0ᵬᡠ3ḄᵯÙGᮣÏᵯÐ@GḄᑁÛজcᙠ10a·'ᱥÞ⊡ᐙá᦮____________;ঝäᔠ;ᐵ$ç4·ᓫᑐê;ᐵS2\1,°⁚ìÛᘤRiḄÛb4ᵯÐ⊤Goᨵ〉3ᦪ

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65ঝᵫ9ᔠᵯ;<=>?@AḄᵯ"BCᡠDᮣ!ᵯ"#GḄᑁRg=200Q(2)ᵫ⊤ᜮᦋIᡂᜧLḄᵯ"⊤3ᳮMᐵNbO⊤ᜮPR2QὶSPRiQὶTU?VWᐵNcOXᜧᦑᐵZNbᵫᵯ"⊤ḄUL.NcOᨵ.&+ᐘ=20°xl?Q=IOOQNC.J`a3NbOᨵ.29*10-3b=ixi()-3*(200+c)ὶe/.f=10஺,&=90஺i3বNaO/=30rnA,kᵨᵯ⊤Ḅᑁ.R=——஺=100஺TO"nᵯḄᵯ"max430x1004x(90+200)04+=12mA,ᡠDoᵯ:3/?.,=-----------=250Q,ᡠDᵯ150Q»o12x10-53.Cpᵨ,ᵬᡠ-ḄᵯᵯRஹḄ(tuv;)஺wxᘤR,ᵯzRo(039999஺),S2{ᓫᑐ~ᐵL3VḄᵯ⊤(ᑁt3kC),ᵯᵯt6V(1)᪷,ᵬᵯᙠ,ᵨ66ᱥ,5N᦮______;(2)5NᵯSiஹSO⁚kᵨᵯ⊤⊤NRxḄN6ᵨxlO2Ḅ᳛ᐸᵯᢣ┐ᢣ-᝞,¤ᑮRx=஺i

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6989V(mL)p(xlO5Pa)pV(xlO5Pa«mL)120.01.001020.020218.01.095219.714316.01.231319.701414.01.403019.642512.01.635119.621(1)(ᓫ⌱⚪)⌼ᡂ`a./bcḄdefgᙠ./hi0(A)56ᘤ0ᨵkᱥ(B)./m᛻!"oᜧp.(C)./᜜rᜧ'()stpᓄ.(D)./56ᘤᑁḄv'ᔣ᜜stpxy.(2)ᵫ{|}~23Ḅ./bcd________(⌱"a”ᡈ"b”).(3)$23ᵨᜧḄ56ᘤᙠ2$./(!"#)2$././ᘤ,,,10<="FG./ᑣQḄV-1Ḅ᳛`$23ᑖḄ᳛(⌱“oᜧ”ஹ“”ᡈ“2”).ூ¡ᫀ௃Dboᜧூ¤᪆௃ூᑖ᪆௃(1)᪷ᳮ§'¨᝱ª&«iᑖ᪆஺(2)¬Ḅ᳛⊤()ST᪷⚪®⊤¯0Ḅᦪᑨ}஺(3)ᜧḄ±²ᜧ³G¨᝱Ḅ()´µ;ᜧ'(ᡠ·pVḄTᜧ᳛oᜧ஺ூ¸¤௃(1)[1]᪷pV=nRT,pVḄT¹º'ᱥ%Ḅ&'ᙠy'D»ᔠ⚪½¾ABC#»ᔠ⚪½¾ᦑ⌱D஺(2)[2]V-l`ᑗḄ᳛pV,᪷⊤¯ᦪÀḼḄoᜧpVoᜧᑣ᳛oᜧaP

70:ᔠ⚪=$b>:ᔠ⚪=ᦑ⌱a33A.BCᵨDᜧḄGHᘤᙠB.KLMNOPQ>RSTB.UKL$VWX᝱pVZᜧ[\ᜧ,,,1]^ḄV--(_Ḅ`᳛bc.BCdefᑖḄ`᳛hᜧ஺P56.jBCᵨ(aᡠlḄKLmnLopqrsឤuv$ᐸxᡭz{|ᘤḄᵯ~ᵯ~$ᵨḄ⚣᳛ᨵ220Hzஹ30Hz40Hz,ᡭ^Ḅ.fᑖ᝞(bᡠl஺BCᙠKLxᨵᵯḄ⚣᳛f,◤⌕ᵨKLᦪᐸᩩ஺1ᡭ^Ḅᑨuᱥᒴ¡¢£$ᑭᵨf(bx¥^Ḅᱥᳮ§ᑏ^©ᙠᡭz{|ᘤᡭ^Bz|$ᱥ¢£Ḅ¡Qᜧª,ᱥ¢£Ḅ¡QḄᜧª»2¬]si=8.89cm,S2=9.50cm,S3=10.10cm®¯¡Qᜧª9.80m/s2,KLxᱥ°ᑮḄ²ᙳ´¯ᜧªµᐸ¯Ḅ1%஺ᵫ·^fHz஺1I.ூ¹ᫀ௃—5,+sf¼S½402ூ¾᪆௃ூÀ¾௃112᪷jÂ|ÃᑁḄ²ᙳ¡QÄÅxÃ|ÆḄÇ|¡Q]©-x2O.+$2Ã/vB—2T-2%+ËÅ*+$3Ã/02T2ᵫ¡QÌÍvc=VB+aT]©223ᵫÎÏÐÑuv]:

71mg-0.01mg=maᡠ·a=0.99gbᔠ(1)¤ḄËÌ"⊤ÍÎᐭᦪQf=40Hz57.(123⌕I1ÑÒÓḄᵯ᳛஺(1)᝞ᵬᐜᵨ×᪗ᓱÚIᐸÜ"cm,᝞ÝÞᵨßàIáᘤIᐸâmm,᝞ãᯠ@ᵨäᵨᵯ⊤XI஺ᢱæIᐸᵯQo(2)p./çè◤ê$ëIᐸᵯ◀íIÑÒÓ᜜./îᜓᨵḄ./ᘤᩞ᝞N:A.ᵯ(⊤V(&i3V.ᑁò15k஺)B.ᵯó⊤A(&i0.6A.ᑁò1஺)C.ôᘤRi(O]5஺,0.6A)D.1.5VḄõᵯö÷⁚ᑁ#ùE.FᐵS,úõজüýùᔠᳮḄᵯþEÿᙠ᪾ᑁoঝᵨ☢Ḅ1ஹdᵯR,᪷⊤p=!ᡠḄᵯ᳛஺7td-Rூ&ᫀ௃6.0151.7706)*᪆4/ூ%᪆௃ூ(%௃(Dili.,᪗ᓱ/0ᦪ234/0ᦪ+,᪗/0ᦪx678⚪0ᦪ2360mm+3x0.05mm=60.15mm=6.015cmᓽ;Ḅ26.015cm«[21.<=>ᘤḄ0ᦪ23@AB0ᦪ+CB0ᦪ+D078⚪Ḅ0ᦪ2:1.5mm+27.3x0.01mm=1.773mm.

72ᓽ;21.773mm஺[3].Fᵨ⊤Ḅ0ᦪ2ᵯḄGH726஺஺(2)জ[4].ᵯI᝞ᡠK஺58.ᵨᵬᡠKḄMNOPᩭRᒴTUVCḄWU.(1)MNḄ4⌕Z[3জᵨ,᪗ᓱ/RᢱᐝᱏḄ`d,ab᝞cᡠK70d=mmঝᵨB/RAdᑮᐝᵯfᡠᙠgPBdhiḄjklmxঞoᙽqAd☟stu(wxyṹ{ᙢ}ᢱᐝᱏw~ᐝᵯf)ট0!ᢱᐝᱏ~ᐝᵯfᡠᵨḄitঠᦋTᐝᵯfḄgP7oᙽqAd☟stu7RḄxH0!tH.(D᪷MNḄᦪ7x2ᙶ᪗72ᙶ᪗7ᙠᙶ᪗!*-X᝞ᡠK7Ḅ᳛k=rn-,s1ᵫ8ZoᙽḄWUa=m-s1.(abᙳᶇ3gᨵᦔᦪ¢)

73ூ&ᫀ௃6.601.38X1041.18x10431.51x104ᙳ£¤¥0.5180.49730.549ᙳ£¤¥ூ*᪆௃ூᑖ᪆௃ூ§*௃1জ4/B26mm,ᑖ/B20.05mmxll=0.6Omm,ᨬ©B26.60mm.Doᙽ~ᐝᵯfḄªU23v=-,᪷Ug«¬3v2=2ax7ᨵ3-=2ax,᦮ᳮtt©1=±7᪷xḄ᳛23²=%2³1´9஺2.38xl4m-Ls-2᪷ᦇ=¶:t2d20.42d-kd22.38x104x6.6()2x10-6a=---=m/s2=0.518m/s22259.ᵨᵬᡠKḄᵯIA⁚¸¹ᵯºḄᵯC»ᑁ஺◀ᵯºஹ½ᐵ᜜7ÀÁᵨḄMNᘤᩞÃᨵ3ÄRÅᵯÆ⊤A©ÇRÅ030.6AQ33AÄRÅᵯÈ⊤V©ÇRÅ0~3V,0~15VoCTᘤᵨ3ÇHÊ0~20஺7ËAᵯÆ2AoCTᘤ&3ÇHÊ0~1000Q,ËAᵯÆ1AS஺

74(1)ÓÔ⁚Ö×$B|§ØQÙÚ$KLxÛ⌱ᵨḄᵯ⊤§ÝA,ᵯÞ⊤§ÝV,Û⌱ᵨḄßàR´ᘤ(áᑏßàR´ᘤ:9)(2)âᵯã(ᵨäåeæ⊤çeèé(+xḄᵯãᐗ((x¬ëᡂÓfᑖèe)$⌕íîᔠïᐵ|ßàR´ᘤḄßᱏPᜐÅôõḄön$÷ôõ⌱ᵨᵯÞ⊤ஹᵯ⊤Ḅ§Ý___________(3)ùú§÷ᵯ⊤lᦪ/ᵯÞ⊤lᦪU,Ûᵨüýᦪå^Ó᝞(2ᡠl(þ஺ᵫ(þ]^ᵯÿḄᵯ£=V,ᑁᔆ=Q(4)᪷Ḅ/ஹuᦪ$%=&,x=i,ᵫ!Ḅy—x%&'(%)*Ḅ(⌱,ᡈ“c”)஺ூ3ᫀ௃0~0.60~3ூ;᪆௃ூ=;௃(1)[1]ᵫ%ABᵯC*ḄᨬᜧᵯFᙠ0.5AJKᑣᵯF⊤NO'⌱ᵨ0~().6A[2]ᵯR(S⁚UḄVᵯW(X1.5V),ᑣᵯY⊤NO'⌱ᵨ0~3V[3]Z[ᘤ⌱ᵨ0~20c(HJ_`ab⁚cdᨵᦔghijᵯFklᵯYk஺(2)[4]ᵯCm&᝞%ᡠp(3)মghᵯR஺S/%r஺஺stuvᵯ஺sᨬwᨵᦔxyv0.05V,z{g|E=1.45V~%r᳛ḄkᵯRᑁgh%rᦪcᨵ

751.45V-0.8V,sr=----------------=1.3Q0.5A(4)[7]ᵯÍÎ!Ï᳛2P=UI=(E-Ir)I=-r/+EIᑣᙶ᪗Ñ=஻2Î!Ï᳛7ᑣy-xÓ2Î!Ï᳛Ḅp-/Ó஺ᵫᵯIÔÕxÎ!Ï᳛ÖᵯÆḄ×ᜧᐜ×ᜧÚÛÜ7Ó2C஺60.ÝFÞß2“áâÜUãâÜ”72åæNçèédêᔲ£¤7ìᐶîÜïḄðñòåç᪵ḄMNᫀ3ᙠjkô☢uᩈᙽ7ᩈᙽÚö¶÷ᡭdᘤḄùú7}ö~Aoû¶üýḄþúÿᙢᢞṹᐸṹṹḄᨬᜧ஺ᩈᙽᙠ☠!ᡭ#$%ᘤḄ'(ṹᑮᙢ☢Ḅ+,ᩈᙽᑮ-./Ḅ᝞1ᵬᡠ4஺56ᡭ#$%ᘤᩈᙽᙠṹḄᱫ89ᵫ☟<=>?@ᡠᨵṹBᙢCᩈᙽDEF?@GH஺ᡭ#$%ᘤIᵨḄKLᵯ⚣᳛P50Hz஺1QRSTUᑮḄGṹBᙢCḄGHVWVW?@Xᔣ᝞Zᜮᡠ4஺(]ᙢ^_`abᜧ+gc9.8m/s2)᪀᜜ffi∎1Q(1)᪷eVWfgḄᦪeijᑨlṹBᙢ%imnoᙠVWḄH(ᵨD“D2,…Dl5qrs⊤4)vṹBᙢCwṹBᙢxᩈᙽᙠy?@஺(2)᪷eVWfgḄᦪezij${nṹBᙢCᩈᙽ?@Ḅ`abᜧ+Pm/s2ᩈᙽ|☢Ḅ@᥅~ᦪP஻=஺(${ᶇ'ᨵᦔᦪq)(3)᪷eVWfgḄᦪeᑖ᪆i“_+ab+”Ḅ#R—Ḅ஺(“”ᡈ“┯”)ூᫀ௃Ro~D”ᒴa5.00.51┯ூ᪆௃ூ௃ṹBᙢCᩈᙽya?@#¡⌲£+ᑣijᑨlṹBᙢ%imnoᙠVWḄAoᵫ¥¦iᑨlṹBᙢCwṹBᙢxḄGH%ᑁVW#¡ᙳᒴᩈᙽᙠyᒴa?@஺(2)[3][4].ᵫVWi©nṹBᙢCAr=0.2cm᪷eAx=aT?iUᩈᙽ?@Ḅ`abᜧ+P

76Ax_0.2xlQ-2=5.0m/s2T7~0.022ᵫmp=0.51(3)[5].᪷Ḅᦪᑖ᪆B“wyw”Ḅ(┯Ḅ஺61.ᑭᵨ%ᡠpḄ¢£¤Zᙽ¦ᩈ¨©Ḅ᥅«¬ᦪ11஺£®¯☢Ḅ±ᩈ¨²¤³ᐝᵯµ1ஹ2஺Zᙽ¶¢ᨵ·yvdḄᢱᐝᩩZᙽlᢱᐝᩩḄº»NvM,K¶¼½¾¿±ḄÀ&¦ÁṹmÃmᐝᵯµ1ஹ2*Ä©ḄuÅvX஺ÆÇ_È&ᜐÊËÌ᝱ᵨÎᡲÐm,_Ñᐸᵫ☟ÔÆÇÕZᙽMz½ᐝᵯµ1ஹ2ᡠᵨḄ_©ᑖÖvtiஹt2஺(1)×ØvÁṹḄÙZᙽᡠÚᑮḄÜÝÞß'àá«ফ᝞äåæপ*Ḅᩩè×!Zᙽ¦ᩈ¨©Ḅ᥅«¬ᦪ஻=.(3)ê×ëᑭᵨ×¢£ᩭíîdïឤ¤ñßò◤ôõᡂ஺md~(\1ஹூ3ᫀ௃M÷ᜧm-——øᩈ¨J¶ùú®⊝᥅«M2gx&tf)ூ;᪆௃ூᑖ᪆௃ூ=;௃▭ZᙽᡠÚᑮḄÜwÁṹḄÙZᙽ'ᵨýþÿG/jMg=MaṹmgGὡ«maa=-------------M+m᝞⚪ᩩᳮM

77a'-aM¬®ᜧ,m«(2)ফ°,.ᙽ6±ᐝᵯ³%ḄabdV1=?d"µᵫ@m-ᳮU·{mg-=—M(ߟ)2--A/(—)2U(3)[3]T¸¹ºm»ឤ◤⌕᥅~_¿⊝ᣵᡠjÂÃÄ◤ᩈÅÆÇÈÉ¿⊝᥅~_஺62.ÊST+Ë⌕y“ÌÍ+ÎᡠÏ᜜_`abᐵÒ”ḄSTÓᵨḄSTÔ(᝞11ᡠ4஺“!1»"#$%&'(1)ÕST(“◤⌕”ᡈ“◤⌕”)¿⊝᥅~_(“◤⌕”ᡈ“◤⌕”)ṹḄÖ×®+,+ÎḄÖ×஺(2)ÂÃÄᙠẆÍ+Î?@%ᡭnGᩩVW᝞12ᡠ4஺ᙠVWÚF5#PG$ᦪ#ÛÜ$ᦪ#ḄÝÞPxi=1.45cm,X2=2.45cm,X3=3.46cm,xß=4.44cm,xs=5.45cm,X6=6.46cm,ᡭ#$%ᘤḄ⚣᳛f=50Hz,ᑣᡭVW5$ᦪ#%+ÎḄabPm/s᦮±á+ÎḄ¿ᙳ`abPm/s2o(ᙳᶇ2'ᨵᦔᦪq)ூᫀ௃◤⌕◤⌕஺49«/«஺«/«·ூ᪆௃ூ௃(1)ÕSTR6±_ãäᘤå×ḄḄæ_⌕çæ_èP+ÎḄᔠ᜜_◤⌕¿⊝᥅~_vᵫ,æ_ij5ênᡠjṹḄÖ×◤⌕®®+,+ÎḄÖ×v(2)⚣᳛«=50««ᑣᕜì«=0.02«ÚF5#PG$ᦪ#ÛÜ$ᦪ#Ḅ%◞«=5«=0î«v5$ᦪ#ḄabP«j=2=:ï/=0.49Z/-,᪷e⌲ðñi+ÎḄ`a2òDy

78bP·«0«/«;.-9X0.01—63.PÌÍᱥöÖ×`abḄᐵÒÊÃÄ÷$᝞1ᡠ4ḄSTÔ(஺Ö×ᑖøPmiùimḄ+ÎᵨGᩩúûḄüý6±./Úᩭ^ᱥḄÖ×Pmo,ÿᶍḄᔜ᥅☟Ḅᜧᑖ!"XIX2஺")I")2(D᝞%&'(Ḅ)*+ᡂ-./◤'(⊤23____________ᡂ5஺(ᵨ⚪9ᡠ;ᱥᳮ⊤>)(2)@'9(A“◤⌕”ᡈ“F◤⌕”)GHIᱥḄJKḄ஺ூMᫀ௃PQ=SF◤⌕ூT᪆௃ூVT௃(1)W]᪷Z[\3x=g]^ᵬஹaḄ)*+b."q:a,=X]:x2⌕'(“ᙠ᜜efgḄᩩijᱥkḄ)*+lᐸᡂ-.”ḄnoᑣGH42=m2:m\]q=nts21ᓽs3t4=)2s2vwᡂ5ᑣ]x"“ᙠ᜜efgḄᩩijᱥkḄ)*+lᐸᡂ-.”y(2)ফ᪷Z@'{|]^ᵬஹaᡠ}Ḅᔠ᜜esᵬஹaḄ᪷Z[\3X=—஺஻]^ᵬஹaḄ)*+b.sKᵬஹaḄb.ᡠ/⌕ᵬஹa2ḄḄ]'(“ᙠ᜜efgḄᩩijᱥkḄ)*+lᐸᡂ-.”ḄnoᦑF◤⌕GHṹḄJKfḄ஺64.ᵨ᝞ᡠ>{|ṹ(ṹ)ᡂḄḄ“ᐵ”@'9ᑮᑴᢱṹᑮ2ᙢ☢஺

79(1)¡⊝᥅e(A“⌕”ᡈ“F⌕”)ᢞ¤ṹy(2)᝞a¥¦§@'9ᡭ©ªḄf«ᑖOஹAஹBஹC"4¬Ḅᦪ¯¬Ḅᦪ¯b°ᨵ4ᡭḄ¯²ᨵ³ᡠᵨ´µᵯ·Ḅ⚣᳛"50Hzº»]^ᡭ¯ᘤᡭB¯Ḅ*+ᜧ"m/s(n%½ᶇᨵᦔᦪÀ)y(3)¦[Á»xÂஹÃḄÅÆqᑮfᩩ¯ÇÈᨎḄ©ªÊËᡭjḄ¯Ì"O,ÍΧᙠ©ª¤Ïs◞Ḅ1ஹ2ஹ3ஹ4ஹ5ஹ6sÑᦪ¯]Òqᔜᦪ¯ᑮOḄÓÔs,Õᡭjᔜᦪ¯ḄÖ*+V஺᝞×¥᪷ZØÙ@'ᦪZÚḄÛ2_$ÜÝ^Þ§@'9ṹḄß"0.15kg,9ṹḄß"0.50kg,ÏIe)*+g=10m/s2,᪷ZᐵᵫÜ]^Ḅ"kg(n%½ᶇᨵᦔᦪÀ)y(4)Ẇ@'ᦪZâṹIeãḄßᶍᜧKßḄäᐸåæ]¥஺A.ṹḄIeᜧKçèḄéeB.êᐰ¡⊝᥅eC.ᙠìºᵯ·ḄíîïD.´µᵯ·Ḅ@▭⚣᳛ᜧK50HzூMᫀ௃F⌕0.720.85BDூT᪆௃ூᑖ᪆௃ூVT௃(1)ᵪ.j}ᑮIeஹçèḄéeஹóᢝe᥅eÆᵨ"ïᙠ@'9õËçèöḄée÷"Ḅᔠ᜜eᑣøùᵨIeḄjᑖeᩭ¡⊝᥅eᙠ¡⊝᥅eFᢞṹû⌕ü쩪஺(2)[2].¬Ḅᦪ¯b°ᨵ4ᡭḄ¯²ᨵ³ᦪ¯Ḅ◞"T=0.02x5s=0.1s᪷Zᒴþ*ÿḄᑁḄᙳḄᡭBḄv„=~x10-2m/s=0.72m/sB2T2x0.1(3)[3].ṹḄm,ḄM,!ṹḄ“#$%ᵫ'(ᳮ*

80mgx-—(M+m+m')V᦮ᳮm+m'+Mv2-x56Ḅ8᳛2mgm+m'+M0.25M=0.85kg஺(4)[4).A.ṹḄ;<ᜧ>?@ḄA<BCDṹ;ṹ;50Hz,᝞ᐭḄᕜ0.02s,|ḄᕜᜧᑣᩭḄ"ᑣab"ᦑDef஺ᦑ⌱BD஺65.mt⁚ᵯḄᵯaᑁᵯᩭmtᙽᵯ{⊤ᵯᵯ{⊤Ḅ“0~10mA,30஺”ᵯḄᑖ2Cஹ10஺ஹ120஺¡gm᝞5ᡠ£Ḅᵯ¤஺¥¦§ᑡ©⚪2(1)ᵯ¤RiḄ,R2Ḅ;(2)ᵯªSi«ᔠa,ᵯªS2«ᔠtᵯªS3«ᔠ_____,ᵯ{⊤Ḅ¯ᦪhবᵯª&«ᔠb,ᵯªS2«ᔠtᵯªS3«ᔠ_____ᵯ{⊤Ḅ¯ᦪL;(4)᪷´(2)(3),µᵯḄᵯa£=,ᑁᵯr=.ூ᪆௃ூᑖ᪆௃ூº௃(1)»]ফ½ᵯ¤¾᪀µÀᵯ{⊤xᵯRiÁὶᦋÄᡂᜧdÆḄᵯ{⊤Lᵯ{⊤xᵯR2Çὶ,ᦋÄᡂᜧdÆḄᵯÈ⊤ᡠÉRiḄ2஺Riᑖ{ᵯ{⊤Ḅ15ÊᑣᦋÄËḄᵯ{⊤ḄdÆ160mAR2Ḅ120஺ᵯ{⊤ᵯÈU=10X10*3X30V=0.3V

81ᵯR2ᑖÈᵯ{⊤ᵯÈḄ4ÊᑣᦋÄËḄᵯÈ⊤ḄdÆ1.5V(2)[3][4]Ìᵯª&«ᔠa!ᵯ¤¾᪀ᵯRoxᦋÄËḄᵯ{⊤ÇὶᡠÉᵯªS2«ᔠd,ᵯªS3«ᔠf(3)[5][6]ÌᵯªÍ«ᔠb!ᵯ¤¾᪀ᵯRoxᦋÄËḄᵯÈ⊤ÁὶᡠÉᵯªS2«ᔠc,ᵯªS3«ᔠe(4)[7][8]ᵫফᨵE—(7?od—R'R—I-r)(/i+1\—■)=Ii(190+16r)RA+R\R\ᵫ(3)ᨵE=I2(RA+R2)+(I2+I2)r=I(150+16r)AO2ὶÐ40/i/z95/I-75Z;^7^77*r=8(/2-/.)66.ᵨ᝞5ᵬᡠ£Ḅ|ÓÄÔÕÖឤ|ÓḄÝÞefḄᨵ»A.ṺṺ᫜Ḅ`àdáâ">")ḄàdB.|Óᡠᵨᵯãᡭ!ᘤḄæÞᵯjá⌱ᵨᵯÈç6VḄèᵯC.|Ó!áᐜêᡭ!ᘤeëæÞËkl")D.Z⊝᥅]

82ூ(%௃1[1].A.,-ᵨṺ0Ṻ᫜Ḅ234⊤6ᡠ8ᔠ4:;Ḅᔠ4<=Ṻ0Ṻ᫜Ḅ234Ṻ0Ṻ᫜Ḅ2@AB>Ḅ@A>ᦑA@ABB.,-ᡠᵨᵯDᡭEᘤḄGHᵯIJ⌱ᵨᵯLM6VḄNOᵯIPQᵯRSTḄUVOᵯIᦑB┯XBC.,-JᐜZᡭEᘤ@[GH\]^_'`ᙠbcdᡭef`gḄᦑC@A;D.⊝᥅k4lJᢞdnṺ᫜ᦑD┯X஺ᦑ⌱pAC஺(2)[2].CḄqᦪ1.65cm,EḄqᦪ3.55cm,CEḄstXCE=(3.55-1.65)cm=1.90cm.ḄuḄᙳᡠvᡭEᘤᙠᡭDbcḄߟ—x102m/s=0.475m/so2x0.023[3].᪷x'(ᳮpW=AEk,'yᓄ{Ek|}~4#ᡠWḄᐵ$UḄᩩVᦑA@A஺67.᝞ᡠ6vᵨᩭᙽ0☢᥅kᦪ஺ᙠ☢d(|ᙽὅl஺L☟¢]^ᙽ£et¤\ᐝᵯ¦O,ᨬ¨©ᙠP஺ªᢱᐝᱏḄd,®¯ᙽdᢱᐝᱏ°ᐝᵯ¦Ḅt,34±ᜧg஺(ᢱ6ᱏ8ᵯ:„oPপᙽoḄ.2◀:®¯ᙽᢱᐝᱏ°Dᐝᵯ¦Ḅᢱᐝ¶᜜¸◤⌕CAḄ»ᱥᳮAF½⌱⚗¿ḄÀÁ஺A.ᙽ]^ᑮPstxB.ᐝᵯ¦|PḄstsC.ᙽcᢱᐝᱏmD.ḄÃ13᥅kᦪḄ⊤ÄÅᵨdÆ034±g⊤6஺ூÈᫀ௃-Bt2gsÌூÍ᪆௃ூÏÍ௃1Ð]ÒᐝᩩḄÓ°ᐝᵯ¦Ḅᙳ<=᪷xᙳÔÅᙽḄdV=E2[2]3ᑮ஺ḄÕ᥅k4᪷x'(ᳮ*

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84ூ_ᫀ௃Rza21048ூb᪆௃ூᑖ᪆௃ூeb௃পজh].ᵫ⚪lmnᵯoᵯ./p8V,qᵯ⊤rs200mA,ᑣᵯ⊤tu◤⌕ḄᵯQ1=—=40Q0.2ᦑ:yᐰ0{|}.ᘤ⌱R2ঝ[2].:ᵯ7ᵯᵫᨬ5E⁚}.ᘤEAᐭᵯᨬᜧᦑ}ᱏ}aঠ[3].ᵫmnᵨ:ᵫ3ᵯ⊤)ᦪᩭḄᑣᵯ⊤ᑁᵯᵯᓽRg=2஺ফ[4].᪷Pᵯᔠᵯ!¡mn¢1=------------------R+R,+R+r)3£mXᔆ+4+#+&)Eᑣᵫ&¤mn&¤Ḅ¥᳛1_35-15=0.1~E~200bXE=10V[5].&¤§¨Ḅ©W5,ᑣmnr+RK=5EbXr=48£269.᝞&ᡠ)ᙠrªᴻᢚ᳛Ḅ7®¯°±ᐜ³´µ¶·!ᙠᩈ¹஺³ªᴻẈ»ᙠ´µ¶¼|!a0bªᴻẈḄ½¾☢Ḅ¯À஺ᙠªᴻẈḄÁ®Ãᜧᜮ┐402,ƪᴻẈḄ

85BCDEFᜧᜮ┐GJK஺LMᡂOPQR:1PᑡUVQRWXḄ2YZ[WX\ᫀ᪗_`A.EFᜧᜮ┐GaᢱbcḄdB.EFᜧᜮ┐GaGᢱb6ஹcḄdc.EFᜧᜮ┐ᡭaBᢱbGḄdD.EFᜧᜮ┐ᡭagᢱbKJᱏஹcḄdফWXMᡂFiUVᙠkF᪗ᜧᜮ┐cஹRḄlZ-mn᪗`ᙠ-mVM᦮Ḅᐝq-;ZC`3ᑭᵨᐝq-uvwxᴻẈḄᢚ|᳛~=.ூ᪆௃ூᑖ᪆௃ூ௃iij.ᙠxᴻẈḄCDEFᜧᜮ┐6JcXᐭ|ᐝᯠEFᜧᜮ┐caAᢱb6cḄdEFᜧᜮ┐"acᢱbcJgஹcḄdX|ᐝ஺ᑣBDWX஺22.ᐝq-᝞-ᡠ஺

863[3].ᙠᐝq-m᪀⌼ᵫ-/4=45஺ᡠOsinq2sin6»=y^2ᵫᢚ|sin02270.ᙠCmC᪗ᨵ“3V,L5W”Ḅ¡Ḅ¢£ᱯឋ¦◀¨©ᐵ᜜«ᨵ:A.¬ᵯZᵯ®¯°4V,ᑁ²³´u`B.¬ᵯ¬⊤AiZ¶·0~3A,ᑁ²¯°0.1CC.¬ᵯ¬⊤A2¶·0~300mA,ᑁ²°1CD.¬ᵯ¸⊤ViZ¶·0~15V,ᑁ²¹ᜧ`E.¬ᵯ¸⊤VM¶·0-4V,ᑁ□¹ᜧ`F.»²ᘤZᨬᜧ²¾10Q,ᐕÀÁÂḄᨬᜧᵯ¬°2AG»²ᘤZᨬᜧ²¾IkC,ᐕÀÁÂḄᨬᜧᵯ¬°0.5AH.¾ᵯ²Ri=lCI.¾ᵯ²R2=10஺⌕Ä¡ÅḄᵯ¸Æ©ÇᓄÈÉÊËᦪo1mᵯ¬⊤1⌱ᵨ,ᵯ¸⊤1⌱ᵨ»²ᘤ1⌱ᵨZᙳᵨÏ_Ð⊤`஺2Lᢥ⌕ÄÒuᵯq.বÁÂWXVḄ¡Ḅ¢£ᱯឋ¦᝞-ᡠÔÕmaᵨḄÖ×Ḅ¡Øὶ

87DᵫE=3V,ᑁÇḄᵯoÈᵯÉÊËḄ▭Í᳛pWÎÏÐᶇ®¯ᨵᦔᦪÔÕ஺ூ_ᫀ௃CE0.54-0.57ூb᪆௃ூeb௃পhÖফ5ÊËḄ×!ᵯØ3V,ÙÉᵯØ⊤⌱rsᜧ333VḄᓽmᵯØ⊤ᦑ⌱Eq5ÊËḄ×!ᵯ—A=0.5AU3ᵯ⊤AirsÚᜧrÛÜÚᜧᦑᵨᵯ⊤A20!<ᵯݼὶᦋßᡂᵯ⊤ᵯ⊤ᦑ⌱Cáâ◤⌕⁚ᵯḄ}.ᘤ:´ãä=å5ÊË®ḄᵯØÆæEᓄ}.ᘤ⌱<45ḄF245ÊË®ḄᵯØÆæEᓄ}.ᘤᵨᑖØA°Ùᵯ⊤ᑁ5ÊËḄᵯAèᵯØ⊤ᑁéᜧ35ÊËḄᵯᦑᵯ⊤⌱ᵨ᜜Aᵯ&᝞&ᡠ):35ᵯoᑁÇ®ÊË8ὶìíÊË®ᵯØ7=1.5V,᪷PU-/&¤mnÉᵯؽîÊËḄᵯ/=0.37Aᑣ5ÊËḄÍ᳛p=UI=L5xO.37W®0.56W71.ᵯØ⊤uïð*⊤Ḅᵯñïð*⊤ᵯḄ®ò஺ó°±ᑭᵨõö÷ᵯØ⊤ḄᑁÎÕ஺øùÈḄᘤᩞ᝞½¢ûᵯØ⊤VÎrs3V.ᑁp300஺ÕᵯRoÎᨬᜧO<99999.9C,}.ᘤRiÎᨬᜧ<100஺×!ᵯ2A஺ᵯoEÎᵯ./6V,ᑁÇÕEᐵ®íü[ý஺1þ[᪾ᑁḄᵯ⊤ᑁḄᵯḄᑖ஺ᵯ⊡ᐙ᦮2Ḅᵯ⊤ᑁR”.ᑣRv=஺ᵯ⊤ᑁḄ!"#Rஹ%&,R'vRv.(⌱*ᡈ"V"

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90jk0ᑮjk3ஹjk6ÇḄõö@᝞ᡠI஺÷»ᡭ¹ᕜùT=0.02s,ᑣᩈᙽḄêëì஺=—m/s2»ফᦋ>ÙᢞÛṹḄ¥ᦪn,t%®Ḅêëìa,ütᦪLᙠᙶ᪗èþ(ÿᐸᑖ)᝞ᡠ஺g=10m/s2,ᑣᩈᙽᩈ᥅ᦪ஻=($ᶇ2&ᨵᦔᦪ))(3)*+(⌱-“◤⌕”ᡈ“3◤⌕”)456ᢞ8ṹ:;<=>?ᩈᙽ@A8ṹ:;<஺ூCᫀ௃2.00.14-0.163◤⌕ூ%᪆௃ூ(%௃(1)ᩈᙽḄGa=—~J=/323.3°,3.3°*1()-2᪷/$2=2஺//.ᔬO(37)29x0.022(2)PNQRṹḄ᦮TU᪷VWXYZ[\Gnmg-/J(N-ri)mg=NmaU]^஺="(1+஻)&஻gaNba-nc᝞aᵫefjig=L6,]^H=0.16.(3)*+gPNQRṹḄ᦮ThiẆkUᑣ3◤⌕456ᢞ8ṹ:;<=>?ᩈᙽ@A8ṹ:;<஺74.lmnopqᘤs[ᙠuvᵨ?xk“ஹ;

91Gâ7Öuᦪã(ä×åÖuᦪãæç«ᨵ4Öãèᨵ)éêëìíîïᙠkðF஺᪷-³ñ,ᡭPFãòḄóí°m/s,Ḅôóí°m/s2»(uvõöᙳ÷ᶇᨵᦔᦪ)cm012345678910MlllllwMlIlIllllIlHlIùlllllllllllll¦ú⊈lllllllllllllllllllüôýlllllllllI~~7•••••••ABCD£FG)-ÿூᫀ௃AAD0.240.40ூ᪆௃ூ௃(1)[1]A.“ஹḄᐵ"ᓽF=Ma,ᡠMᒹ!"#ᘤḄᓽ◤⌕ᵨᜩ)*+"#ᘤḄ஺ᦑA./஺B.ᵯ1234ᘤ5ᵨḄ220V67ᵯ8஺ᦑB┯:஺C.;⌕)⊝᥅>)⊝᥅>4⌕?@A(ᒹ!"#ᘤ)DᙠᩈGHI☢KLMᩩOPOPQRᡭT34ᘤ஺?ᩈGMUVWX⁚ᩈGḄZ[\5@Aᙠ]^_Ḅ`4abcOPdᩈGeᒴghic஺ᦑC┯:஺D.j"#ᘤgk*+l`Ḅᜧ@ᡠ]◤⌕noṺ᫜rṺsḄtu@v@AḄᡠᓽ5jṺ᫜rṺsḄtRᜧw+Ḅa-Fxyz]{|}~஺ᦑD┯:஺(2)ফᵨlᑴ஺A.ᓫ᤮ḄᕜT=2ᘊ,ᵨḄᑴ஺ᦑAᔠ⚪஺B.ᔠḄᵨḄᦔḄ஺ᦑB]ᔠ⚪஺C.eḄᓄᐵᵨḄ஺ᦑC]⚪஺D.Ḅᵯ¡=ᵨḄᑴ஺ᦑDᔠ⚪஺(3)[3]ᵫv¥¦§¨©3ᦪT«ᨵ4©Tᨵ®+ᡠ¦§Ḅ3ᦪTḄ4◞T=0.1s,᪷±ᒴghicj4jTḄvR\jḄ)ᙳ³(9.60-4.80)xlO-2V,.=----------------m/s=0.24m/sFIT2x0.1[4]᪷±ᒴghicḄ´µ¶x=aT2·+Ḅᜧ@…஺¹M=஺.4஺»29T29x0.1275.ᐶ½¾HὁÀÁ+lM©mḄÂṹஹMÄÅÆrM©ᔁÈÉ⌕ÊËrÌͨÎÏÐ*ÅHÑÂṹᡠeḄ஺¨ÎÏÒὃIel᝞ÕÖw

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106kEiḄØÙÚªᔠi³dḄᦪxE=3.0V,r=2.2Q.(3)[4U5]´d?ᑁḄIWMᜧO8M?¶Pᵯ1⊤»ᨵᑁ?IWMOᵯ-ᑁ#ᵯ1⊤ᑁÛ#.89.6⌕IWe⁚ÜᵯÝḄᵯ|#ᑁ?ᘤᩞᨵeßᵯ1⊤ஹeßᵯRஹeß1QḄÍMᵯRo,eß"ᐵ#$%&?56ᢥ᝞iᡠjᵯ;?IḄᦪx᝞*⊤ᡠjEfᦪ12345R4.010.016.022.028.0I(A)1.000.500.340.250.20(1)56mᵨáiâᩭäÍᵯÝḄᵯ|#ᑁᵯ?%Rám0åᙶ᪗ḄØᙶ᪗?ᑣLè____________áméᙶ᪗஺(2)ᑭᵨᦪxᙠëJḄ0åᙶ᪗V²JqäḄi³»(3)ᵫi³Ã?5ᵯÝḄᵯ|£=V,ᑁᵯr=

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113ᵯ¹R’,Ê÷øᵯ¹¢⊤ᜮGḄoúᵯû250(1A,ᑁ¹480C஺ü¦᪾ᑁᣚ᫏ᐵABᑖ⊤஺ᵨᵯ⊤ᨵ5᫏5᫏ᵯIV᫏5V᫏ᵯ1mA᫏2.5mA᫏xlOO஺᫏஺(1)(a)ḄB("“$”ᡈ“'”)⁐⊤*(2)ᐵ+R6Ḅ,ᵨ-ᑡ/012Ḅ3("124ᫀ᪗7)A.ᙠ,ᵨᵨᵯ⊤9:;᦮R6,ᵯ⊤ᢣ┐ᢣᙠ⊤?@ᵯ“0”AB.,ᵨ᫏BᐜD⊤E*;᦮Rr,,ᵯ⊤ᢣ┐ᢣᙠ⊤?FᵯG“0”AC.,ᵨᵯ᫏B;᦮R6,ᵯ⊤ᢣ┐HIJᢣᙠ⊤?FᵯᨬᜧA(3)᪷N⚪PᩩRISRI+R2=ft,R4=ft(4)TUVWBᵨᵯ⊤ᢣ┐A᝞(b)ᡠZ஺[\BB3“3”Ḅᑣ^ᦪூ4ᫀ௃$B1608801100ூ%᪆௃ூ(%௃(1)bc᪷N⊤dᳮIfᑁhᵯiḄ1᩽k*'⊤l᪵nJopᙠVᵯGBᵯ“$q'r”ᓽ(a)ḄB$⁐⊤*t(2)2ᵫᵯvIf&xᙠVWᵯGBn*ᐭᵯvᦑᐸ|ᵨxJq};~Jq};~,Bᙠ,ᵨᵯ᫏B◤⌕B};⁚AC┯B12t(3)3ᵯ᫏ᑖ1mA2.5mA,ᵫIf*2Bk1mA᪷NὶᵯvIf7RRஹ+R,=-^-^=160Q.v/-44ᵯG:160x480Q=120cߟ160+480*4Bᵯ᫏ᐭḄᵯGᦑkWIVḄᵯ⊤t\Bᵯஹ&ὶ6ὶᓽᦋḄ1mAᵯ⊤ὶᦋᵯ⊤t᪷NὶᵯvIf:

114ᓃ¢*r4ßv3মম[3*ᑣ᫏“xl()O”᫏^ᦪllxl00Q=1100Qo94.ᵨᵬᡠZḄAVWᙢḄ§¨©ª«஺D¬ᳫ¯°±²«ᵫ☟´µ¶ᙠᳫ·ᵫ-¸¹ºḄ»¼½Ḅᔠ〉AÀ±°ᐝᵯÂJ·ÃÄÅᳫ¹ºᐝᵯÂḄBÆᳫǺᐝᵯÂḄBÆÈE,¹ºḄºÉÊËᳫḄª«Ì஺ÍÎVWḄᱥᳮWᨵA.ᳫḄÐdB.ᳫÑÃÒᐝᵯÂᜐ-¸Ḅ²«hC.ᳫᢱÕᐝᵯÂḄBÆt஺Ö×NÍÎ⌕ØÙᡂ-ᑡ"Û஺(:⚪ᵨVSḄᱥᳮWḄdÜÝ⊤Z)(1)ᳫǺᐝᵯÂḄª«v=(2)ᙢḄ§¨©ª«g=(3)ᵨÞ᪗ᓱàVW¬ᳫḄÐ᝞áᡠZᳫḄÐcm஺[ÍÎâVS=0.4760m,Z=4.12X10-3S»ᑣ§¨©ª«g=m/s2.(äåæoᶇ1ᦪ)dJ2ூ4ᫀ௃°½+1.239.4t2hrூè᪆௃ூêè௃(1)bcᳫǺᐝᵯÂḄëᜧᳫÐd,ÑÃBÆt,ᑣª«dV=—tফফᳫ-¸ÒᐝᵯÂḄºᨵv2=2ghèSd2(3)íÞ᪗ᓱàḄîà^ᦪ12mm,Þ᪗àḄï3ᩩðñîàḄTðñòóᑣÞ᪗ᓱà^ᦪ

1150.3mm,ᑣVWô12mm+0.3mm=12.3mm=1.23cmভᙠög=÷ᐭᐵᦪNSd2(1.23xl0-2mV.g-------7=----------------------------------------7~9.4m/s-2hr2x0.4760mx(4.12xl0-3s)-95.ᙠ“V±¬ḄᵯG᳛”ÍÎᡠᵨVWùᘤᙳü᪥þÿᐭᵯᑖḄ50cm.1ᵨᘤḄᐸ᝞!ᡠ#ᐸ$ᦪ&—mm()*+,Ḅ-ᙳ*/2ᵨ012Ḅᵯ3Rx.45ᡠᵨᘤᩞ7ᵯ83(ᵯ9:3V,ᑁ31஺/ஹᵯ>⊤(ᑁ30.1஺/ஹᵯ@⊤(ᑁ33k஺/ஹA9B3ᘤR0-20Q,CDᵯ>2AஹEᐵஹGHIJ.LMNOᑭᵨQRᘤᩞSTUVᵯWX45YZᦪ[᝞\:ᦪ1234567U/V0.100.300.701.001.501.702.30UA0.0200.0600.1600.2200.3400.4600.520ᵫQR45ᦪ[_`abRஹcdᵨ!Ḅ_____!(⌱g“ᵬ”ᡈ“l”/.3᝞!ᡠ#cRxḄ45ᘤᩞ4ᱥ!!nUoᑖGHA9B3ᘤḄAᱏPqrB3ᘤḄst᪷[2ᡠ⌱Ḅᵯ!⊡ᐙxᡂ!4ᱥzḄUH,|}~ᔠEᐵḄzᵯ@⊤

116ᡈᵯ>⊤r.(4)LMḄNOᙠᙶ᪗RUஹIᙶ᪗᝞!ᡠ#!n᪗oᦪ[&Ḅ4ᙶ᪗.tᙠ!᪗2ஹ4ஹ6ᦪ[Ḅᙶ᪗|!H,ᵫ!HᑮḄ3*Rx=஺(ᶇᨵᦔᦪ).tm/(5)᪷[QRᦪ[_Q¢£Ḅᵯ3᳛(g⌱⚗¦Ḅ§¨).A.lx10-2ftmB.lx]0-3QmC.lx]0-6QmD.lxlO-8J2m(6)©ª45«¬ᙠ®.¯45ᡠᵨ°ᘤᙳn᪥²\ᑡᐵr®Ḅ´2STḄ⌱⚗c(ᨵ,ST⌱⚗).A.ᵨᘤµᵫr$ᦪ¶·Ḅ®r¸®B.ᵫrᵯ>⊤¹ᵯ@⊤ᑁ3¶·Ḅ®rᏔᯠ®C.I¼ᵯ>⊤¹ᵯ@⊤Ḅᑁ3½£ᙠᑁ_Q¾◀ᵫr°⊤¶·Ḅ¸®D.ᵨU—I!Àᜐᳮᦪ[Ãᵯ3_QÄLᏔᯠ®ூÆᫀ௃0.398(0.395-0.399)4.34.7CCDூÉ᪆௃ூËÉ௃(1)ᵫ!`ᘤḄÌÍ$ᦪc0mm,_9Î$ᦪc39.8x0.01mm=0.398mm(0.395~0.399),ᡠ

117QD=0.398mm.(2)ᵫ⊤45ᦪ[_`ᨬLᵯ@ᵯ>ÐL+rÑᵫÒ_`A9B3ᘤ&ᵨᑖ@Ó2ÔÒ45dᵨḄc!ᵬᡠ#ᵯ.(3)4ᱥ!UÕÖᵯ>⊤᜜A9B3ᘤᑖ@A9B3ᘤḄAᱏPqrB3ᘤḄsUµ}ᵯ@⊤ஹᵯ>⊤Ḅ#ᦪᨬL.᝞!ᡠ#(4)¼ᔜᦪ[UHµÕÖÙHÚÛÜ,ḄᨵÝᙠHR⌕ÙHḄᦪ߯àáâR=(=4.5C(4.3~4.7).(5)᪷[ᵯ3DãR=Ip=^-«l.OxlO-6Qm,4LᦑCSTABD┯.(6)A.ᵨᘤµᵫr$ᦪ¶·Ḅ®rᏔᯠ®A┯æB.ᵫrᵯ>⊤¹ᵯ@⊤ᑁ3¶·Ḅ®r¸®B┯æC.012ᵯ3µᵯ>⊤¹ᵯ@⊤Ḅᑁ3¶·Ḅ®c¸®I¼ᵯ>⊤¹ᵯ@⊤Ḅᑁ3½£ᙠᑁ,_Q¾◀ᵫ°⊤(ᵯ>⊤ஹᵯ@⊤)¶·Ḅ¸®CSTæD.ᵨU--I!Àᜐᳮᦪ[ÃHᵯ3_Q¼┯Ḅᦪ[ᡈ®çᜧḄᦪ[(᝞!6)éᣵᙠHRḄᙳᒴᑖìᙠHḄ᪵_QÄLᏔᯠ®DST.96.ẆïឋOñLMòᦪṹôᜓö\o÷ᵯ8n`)ᵯ8Ḅᵯ9:12Vᑁ32C,)LMḄNOoDᵯ8Ḅᵯ9:¹ᑁ3ò45øùᩭo᝞\45ᘤᩞ7

118A.ᵯ@⊤(û03V,ᑁ32kCB.ᵯ>⊤(û03A,ᑁ30.1CC.D*ᵯ34kCD.D*ᵯ38k஺E.D*ᵯ3ICF.D*ᵯ33஺GA9B3ᘤ020஺H.A9B3ᘤ02kQI.EᐵGHIJ1)LMḄNOô½o᝞!ᵬᡠ#Ḅ45ᵯᵯ3Ri&⌱,ᵯ3R2&⌱,A9B3ᘤ&⌱_________.(⌱gà&ᘤᩞ¦☢Ḅý/2Eᐵ~ᔠQ¦&¼A9B3ᘤḄAᱏþ__________(g“ᨬÿ”ᡈ“ᨬ”ᔠᐵᘤḄᱏᑮᵯ⊤ᵯ⊤ḄᦪUI,ᑭᵨᑮḄ#$ᦪ%&'U-I()᝞(+ᡠ-᪷%()/0ᵯ1Ḅᵯ2E=V,ᑁr=456789ᶇ;<ᨵᦔᦪ?ூAᫀ௃DFGᨬ12.51.69ூ%᪆௃ூ(%௃1[1]ফ[3].ᵯ⊤EFG03V,ᑁG2k஺ᑣ⌕⌕KLᵯ⊤ḄEF᡽ᜧᑮ12VOᑣ◤QὶST8kQḄᵯᦑVWᵯ⌱YDᵯZᑁG2஺OR2[G9\ᵯᑣ]0⌱Y^ᑁW_`ḄFᓽbᘤ⌱Y^ᑁWcdḄGᓽb2[4].ᐵᔠef]gᘤḄᱏhiWᨬᜧḄᨬb3[5][6].᪷%()/᜜ᵯkᵯG0lᵯ⊤ᦪG2.5V,ᑣLlkmᵯG5x2.5V=12.5V,ᓽᵯZᵯ2GE=12.5V,ᑁS2.5-lx5=]69Q1.6"97.᝞(ᵬᡠ-GoEᩈᙽᩈrs᥅uvᦪnḄ#$wx(yz{Ḅᩈrx|}~ᙢ☢ᩈᙽxᙠ{ᩈr^ᘤ_ᘤ!ᙊ⍝஺{ᩈrᙠ᜜&ᵨᔣOᑮᘤḄ-ᦪF^}~ᔣḄᜳ0sḄᐵ(᝞(+ᡠ-g10m/s2o4Aᫀ9ᶇ<ᨵᦔᦪ?1ᩈᙽᩈrsḄ᥅uvᦪJi=2ᩈᙽḄEm=kg஺

119ூ§ᫀ௃0.581.0ூª᪆௃ூᑖ᪆௃ூ¬ª௃(1)áâᩈᙽåæçèᵨéçmgஹêᢝçFNஹëçFஹì^᥅îçFf,ï\ðᔣᨵmg=FN+FsinOcrðᔣᨵFf=FcosOᵫEFt=pFὶòóNpmg=F(gsinO+cosO)3ôfjing=Fjl+஻2(sin6r2L^+cos6,1)ö1tan=—4᦮ᳮó|img=FJl+஻2in(0+a)sø8+a=90°eFᨵᨬMᵫùn0஺=30'eFᨵᨬMúû|a=60ᡠ41tan60=vóp=—ߟ=0.583ফফü᥅îᦪýᐭpmg=F(|isin04-cosO)ómgF=2sin(6+60°)ᵫùn0ø0=30°eF=10N,ªómg=10N

120ᡠem=1.0kg98.᪗3.7VḄ┞ᵯ1ᐙ£ᵯlᵯ2G4.2V,ᵯ2¤|3.4Vld¥ᵯ஺¦§0¨©ᵯ1᪗ª᝞«᪗¬ᵯᢝ®ᵯ170mA,ᨬᜧᵯᵯ850mA,ᑁᔞ0.2C஺GoEᐸᵯ2ᑁ#$±²³ᑡᘤᩞ«A.ᵯ⊤V4EF3V,ᑁ3k஺B.ᵯ⊤4EF0.6AC.ᵯ⊤4EF0~3AD.VWᵯRi=2kQE.VWᵯR2=l஺F.ᘤ05஺G.ᘤ020஺H.¶oᵯ1ᵨᵯ⊤ᐵ·¸¹1º5oEᵯk᝞(ᵬᡠ-ᵯ⊤A]⌱Y,ᘤR]⌱Y¼ᑏᘤᩞ¾©b2ᢥ᯿º5ᵯkÁᡂ#ᱥᵯkḄÄb43ᔠᐵSf]gᘤᱏPᑮS⌱¼“O”ᡈ“”bᔠᐵÅÆᵯ⊤ᢣ┐ᨵÉÊËᵯ⊤ᢣ┐dÉÊᙠdÌᵯkḄÍÎ]⌱Yᵨᵯ⊤Ḅ—ÐÑᵯkᦑÒ;A.ᵯ“xl”ᢱB.Õᵯ250mAᢱC.Õᵯ2.5VᢱD.Õᵯ10Vᢱ4Ö×ØÙ#$Ú&᪷%ᵯ⊤ᦪ56'ᵯ⊤VWᵯR,ḄÛᵯU஺'Ü]Ḅᵯ⊤-ᦪᙠᙶ᪗Þßà&'U—I(á᝞(âᡠ-஺ᑣᵯ1ᵯ2E=_V,ᑁr=—

121ூAᫀ௃BOD3.87~3.900.12-0ூã᪆௃ூᑖ᪆௃ூæã௃(1)[1]ᵫ⚪/0┞ᵯ1Ḅᨬᜧᵯᵯ850mA,ᦑᵯ⊤A]⌱YBফᵫ⚪/êkëḄᨬᜧᵯÿ4.2R=——Q«24.7QF1a1rxaOKᦑᘤ⌱YG(2)[3]ᢥ᯿º5ᵯkÁᡂ#ᱥᵯkḄÄ᝞(ᡠ-(3)[4]vᘤì▲îÄïG9\ᵯkᦑᙠᔠᐵSfᘤḄW⌕ᨬᜧᦑ]gᘤᱏPᑮObমᔠᐵÅÆᵯ⊤ᢣ┐ᨵÉÊËᵯ⊤ᢣ┐dÉÊñòᵯ⊤ᡠᙠókôᙠ¦ᜐÌkᙠdÌᵯkḄÍÎ]⌱Yᵨᵯ⊤ḄÕᵯ᫏ØÙÐÑᵯkᦑÒ÷0ᵯZḄᨬᜧᵯ2G4.2V,ᦑ]⌱YÕᵯ10V᫏ØÙÐÑᵯkᦑÒᦑDÖ×ABC┯ù஺ᦑ⌱D஺(4)[6]ᵫ⚪/U—I(áḄúûü⊤-ᵯZḄᵯ2ᑣᵫ(E=3.88V(3.87~3.90)ýᵫU—I(á(áḄþ᳛ᵫᵯᑖ᪆᳛k-r+R2r=0.15஺(0.12-0.17)

12299.ᢣ┐ᵨᵯ⊤ᵨḄᘤ஺!"#ᑡ%⚪:1(ᵨᵨᵯ⊤)ᵯ*+,⌱./ᐵ1234ᢱ“xlOO”ᢱ6789:;ᢣ┐ᢣ<᝞ᵬa஺?@(ᵨᵯ⊤ḄABCD8EFGHE⌱.34ᢱ᫏J⌱K“xlOxlk"L6M789:,,O⊤PQRᵯ*OS+ᢣ┐ᢣ<᝞ᵬb,ᑣRᵯ*?2UVᵨᵯ⊤34ᢱᑁXᵯ

123ᡠ¬⌕v{©মLᵨ}~vw;Ḅ34⊤VRᵯ**c?400஺ᑣᨵ®ª+7ᵯ*400஺ᙠ7°ᵯ`aḄᵯ[E=0.441A++r+400L±ªᵯ*Qᐭ²Ḅ34⊤+ᵯ[I³HḄ*cER=--R-R-r=3870xA()100.ᑭᵨ<µ¶·¸GḄ¹.ᡭ¼½+3¾¿I'ÁÂãÄÅᙳᒴÈᩈÊ|ττÌÍ■ÏÐṹ(1)#ÒÓ78Ḅ.A.ᑭᵨªµ¶“ẆÕᒴbÖ×£Ø`”+ÙÚÓÛ◀{ÂÝᩈÊÞḄ᥅à*¸ḄáâB.ᑭᵨªµ¶ãÕ“{ÂḄäÖlåḄᐵæ”çᵨèÓᜐᳮᦪë+᝞BìíḄa-Mᐵæèî×£ï8ðäÖlåᡂòóC.ᑭᵨªµ¶ãÕ“ôÖlbᓄḄᐵæ”+H,ᩈÊöᡭ¼÷+ᘤḄøS〉púû᪵·ḄýḄᑭᵨ{Â}¸þ☢ᑖ⊡ᡠḄ(2).ᙠᑭᵨ“aFḄᐵ”!"#$%&ᡠᢞ(ṹḄ*ᦪ!,-(ṹḄ./00ᜧ2Ḅ./!ᑣaḄ456ṹ*ᦪḄ&7892Ḅ4.ூ=ᫀ௃(1)C(2)gூ@᪆௃ூᑖ᪆௃ூB@௃(1)A.CDᵨᩭẆᒴHIJ!K$◤⌕N⊝᥅Q!ᡠDA$RSTB.UJḄVWᨵYUJஹ[ᱥJஹ]^_ᦪUJ`aV!ᡠDba-McdeUJ!$f%gUJeYUJ!ᓽ$f%g./ᡂjk!lmna-o-cd!ᦑB┯sTMC.“tHᓄḄᐵ”vw!◤⌕N⊝᥅Q!xye7ᩈ{|ᡭ~ᘤḄ〉!᪵ḄḄeᑭᵨ☢ᑖ⊡ᡠḄ!ᑮḄᔠᓽ#Ḅ!ᦑcS.(2)./#m,(ṹ./#M,ᑣᨵ

124Mg-F=Ma(ṹᨵ:F-jumg=maὶ@M-um”■---------kM+m7H#:]_M,m1+MC¡Mm!a892g.

125

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