吉林省名校新高考物理经典100实验题含解析

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63AC஺=mgh=1x9.8x0.1920J=1.88J[4]BjḄklm%9nACoḄpᙳm%/ᑣᨵ10.2323-0.1555....v„==-------------------m/s=1.9Q2m/sBIT0.04sᱥtuḄv11,|,\E=-mv}=-xlxl.922J=1.84Jkঞ[5]᪷xyzu{ឤ},1,mgh="mv~ᑣᨵgh=yi,~7-6Ḅ?jḄ/ᦑA/BஹCஹD┯Z2ᦑ⌱A஺7.61.70ூ᪆௃ூᑖ᪆௃ூ௃᪗ᓱḄᦪ>61mm,᪗14#%47%/ᦑᐸᦪ>0.05xl4mm=0.70mmᡠCᨬᦪ>61mm+0.70mm=61.70mm8.(1)4Hh(2)n⍝4ᳫ¡¢ᙠ᥅¥ᡈᳫḄ§¨ᜧ(3)0.1(4)0.1125-0.80.91250.1125ூ᪆௃(1)nᳫª☟¬®ᑮ°p±²³o´µt/µᵨtu¶ᳮẆ¸}12mgh=ymv}y=J2g஻np±µt/µᵨp±µtḄº»}²ᙠ¼½ᔣH=1gt2ᙠ°p½ᔣs=vt,ঝ

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65E=U+IR+12/rGGG=U=ETGR+12D᪷:;Ô/=ᵯÕᵯ0T£=2.91V;ÔÖ᳛\uR+12rco[4]=ᵯÕᑁr=11.0Q7tIRD2210.2.0005.0ᵯÕᵯ0T×ᨵ3V,ᡠØᵯÙ⊤PÚᜧ4.5AஹC41(/,-7)2ூ᪆௃ூᑖ᪆௃ூ$௃(1)[1]᪷:'()ᘤ5ᦪ|ᑣ5ᦪ2.000mm஺[2]N;⌱ᵨF஺(3)[7]᪷:ᵯ,JÄÅÆ,JᨵIRL2ᐔöPḄ⊤÷¢s

66itl.RD24á”2)(4)ú⌕çᵯÙ⊤5ᦪN©ßûᡠ2ᵨᑖÙ¢ü¼ýᵯÙ⊤ḄᑁZþᵯᜧḄÿᦑᵨᵯ⊤᜜ᦑ᦮Ḅᵯ᝞ᡠ11.2.422.472.02~2.07ூG᪆௃ூJG௃(1)ḄẆ᦮!"!"#ᑮḄᔠ᜜&'mg,ᡠ()◤⌕,-.ᢞḄ0᫜23456⌕7(ᒹ:;0Ḅ<=<ᑁḄṺ)Ḅ234A(2)ᵫCD72ḄEF2.43m,ᵫᒴHIJKLḄEFMNCDᓽa=JPᵫQRSᡠ()=<%=ஹ,*2.05,ᵫTUVW6XCD:m"[g'ᡠ(]7ḄHI^_`a\xV2.432234Ḅa`.0.4442.22-2.28ூG᪆௃ூJG௃(1)cdefᘤḄcᱏijᑮkFdlmnᵯ⊤Ḅᦪipqr⌲tuᜧᑣcdefᘤᵨᑖyᱥ᝞ᡠA

67(2)ᵫDᵯ⊤4m0.6A,ᡠ({ᦪ0.44A(3)ᵯ|ᑁf1}ᡠ(~᜜ᵯ2ᵯfᵯ|ᑁfQὑᵯ᳛ᨬᜧQ᜜ᵯᵯyᑁᵯy1.5V,ᵫD~ᵯᵯy1.5VQᵯ0.38A,Qᵯf%3.950,ὶU2152Ḅ2ᵯf1}ᡠ(◤⌕4ᵯᵯὑḄ2᳛P=5=2.25W(2.22-2.28WR᜜1ᙳC).V,A᪆ᐸf^ᓣKឋuH)ᙳᒴ2ூG᪆௃ூJG௃(1)[1]ᵫ>ᵨᵯ⊤Ḅ᜜;ᵫcdefᘤḄᨬᜧfᵯfḄfS`¡,?"Aᡠ(efᘤᵨᑖyN4ᐸᵯfḄᵯ£ᳮ᝞¥¦[2][3]ᵫᵯ|ᵯd§3VDᵯy⊤⌱V”ᵯf100Q,ᡠ(©lᵯfḄᵯᨬᜧ)ªl30mA,ᵯ⊤⌱A2(2)[4]᪷¬)®^¥ᵯffᵨ5ᩩ°cḄJK±²³´µ¶ᩭ¸¹Cº»Ḅ´ᜐᙠ¾ᩩJK²ᡈᙳᒴᙢᑖÁᙠJKḄ]Âᐸf^eᓄḄK᝞¥:(3)[5]ᵫKCDᐸf^ḄᓣKឋuH;

68(4)[6]᪷¬ÄDR=10()+kt,tḄuᜧRuᜧ᪷¬Åᔠᵯ}Æ6XCDᵯIÇᡠ(È☠ÊkË⊤Ḅ^ÈA[7]᪷¬Åᔠᵯ}Æ6XCDIRḄᐵ!ÍKឋḄᵫÄDRtḄᐵ!KឋḄᡠ(ItḄᐵ!ÍKឋIḄÎ^ᙳᒴᣚᡂtḄÎ^')ᙳᒴḄ஺14.Ò649688()400()ூ᪆௃ூᑖ᪆௃ூÕ௃᪷¬}Æ⊤£ᳮCDᑁÖᵯ|Ḅ×᩽Ò⊤Ù¾᪵ÛºÜÝᙠᵯfQᵯ⊤nᵯ“ßàÒá”ᡠ(AËÒ⁐ÙA(2)[2][3]⊤ᜮåὶᵯy⊤Ḅᦋç⊤ᜮὶᵯ⊤Ḅᦋç஺~qᐵèᔣ1,Qᵯ⊤4m2.5mAᵯ⊤ᵯ᝞RiQᨵãä-4)=(4+4å~qᐵèᔣ2,Qᵯ⊤4m1mAᵯ⊤ᵯ᝞Til—RiR2Qᨵæ+&)(ç4)=44ὶí]NCRi=64C,R=96£2[4][5]~qᐵèᔣ4,Qᵯ⊤4mIVḄᵯy⊤Qᨵî5~qᐵèᔣ5,Qᵯ⊤4m5VḄᵯy⊤,Qᨵ…-1(+
Jὶí]NR=880f2R=4000Q«45

6915.L=J=J(L7è]=(L-4-fL-)L45Cூ᪆௃ூ௃(3)পêᔠ3ì"#ᑖ3ípᑖ½ᔣî"#ᑖ3ᜳí>120°,ᔠ3ð"#ᑖ3ᜧ(9/ᦑ*+ñ=ñ)/<%()/ᓽ£,=4=4(4)[2]ê"#ᑖ3(óᚖl/ᵫö÷¶ᳮ:ù2=ú+.ᓽ(4-4)=(La-+(4-4)஺16.p⊝᥅¥3üᨵCூ᪆௃ூᑖ᪆௃ூ௃(1)[1]ýþ⁚ᩈḄ⊝᥅ḄḄᔠ(2)[2]ᵫᨵᘤḄᑣ!"⌕$%&ᜧ(ᱥ*ᘤḄ+%ᓽ-./0!ᨵ12(3)[3]/03◤⌕Ḅ56ᦑ◤⌕8⍝Ḅ+%M,ᦑAB┯;C<=஺17.1.1695-97ᙳ<=ூA᪆௃ூDA௃প᪷GHIJKv=v,=F=AB+8C-]]6m/sBBLITফNᳮJKu=ᓃ==BC+CD=15375m/sc2TᱥRᨵBᑮCTU356VWX'4=᪷3/_%2)(Y6ḄZ[XAE=mg/^h=mg•BCp56ḄVW\X(Y6Z[Ḅ

70^X100%=97%%18._B1608801.47mA1.10xl03J22.95VூA᪆௃ூDA௃d)[l]`a⊤ᑁdᵯf<᩽h_⊤ijkl᩽hm⊤ijkᓽmn_oAphᵯq<᩽jkᵯrs4proAph_⊤ijk(2)ফᵫᵯtuJ8&wᙠᵯyz{|ᐭᵯtᦑᐸᵨw6n`a6nNzᙠ$ᵨᵯr᫏z◤⌕⁚A.hᑖ᪆ᦑA┯;B.hᑖ᪆jᦑB<=C.hᑖ᪆ᦑC┯;(3)[3]ph“1”“2”jkzᵨᵯ⊤ᢱᑖXr2.5mAᢱஹr1mAᢱ᝞uᡠïW250áð/(ò480஺/j=lmA7|=2.5mAᵫᵯ⊤ḄᦋᳮJ83ph“2”jkzᨵ:12=1G+N+&AK:4+&=160஺[4]8ph“4”jkz᝞uᡠᵨᵯ⊤XrᵯIVᢱ⊤ᜮὶ¡ᑖᵯy:R=880QA

71(4)[5]Bph“1”jkzᵯ⊤¢ᦪX1.47mAয3ph“3”jkzᵨᵯ⊤X`axlOO஺ᢱ¢ᦪX:11.0X1()()Q=1.10X103Q)8ph“5”jkzᵨᵯ⊤Xrᵯ5Vᢱ¢ᦪXL147——x5V=2.95V25019.A¤g=d}ூA᪆௃ூᑖ᪆௃ூDA௃(1)[1].¥⚪X§ᶍ06©ឤ-ᳫ¬!ᨵ"⌕⊤I®¯°±²ᨵ%ᡠ%!ᨵ"⌕w◤⌕ᜋẈḄµ¶.(2)[2].uᱏ¹JºoAB:BC:CD:DE=\:2:3A,ᡠA»¤¼½ᳫḄd.(3)[3].ᵫᒴ¿ÀÁÂ5ÃÄAr=aT2ᕜÆ*⚣᳛ᐵÊfᐸ3\x=dË6©ឤᑣa=gᓽÌÍg=df20.2.4xl028xlO10ூA᪆௃ூDA௃[1].2ÎÏÐ3ÑᨵÒÓ⏚ḄRÕ0.252YcS5TV-------x-----mL=2xl05mL2.50100Ö×ÓØᜧᡈÚÛḄÜÝÛÚÛḄÞßᦪoàÛáᦪX60,âàÛ☢Õ2cmx2cm=4cm2,JäÜoÓØ☢ÕXS=60x4cm2=2.4xl02cm2

72[2].åÓØæXᓫᑖèÓØÓص¶Xᑖè¬ᵫV=dSKoÓ⏚ᑖèḄ¬d=8xl0"'mCAூA᪆௃ூᑖ᪆௃ூDA௃ᱥᙽᑮB»zḄÀ¶Xd“7ᑣᱥᙽsAÂ5ëBḄTU3(ᱥ*ᱥᙽ᦮RḄ56VXA&=5(M+=-ÝpÝ(2)ফ᪷G56óᳮᨵmgx-j.iMgx=g(+M)(—)2᦮ᳮøᨵ(m+M)d21x-----------x—ߟMmg-juMg)Vᦑ⌱C஺(3)[3]ᵫÿᦪᐵ᳛/(m+M)d22(jngMg)ᵫ_2kmg-(M+m)d2஻2kMgᦑ⌱A஺22.25.0220ூ᪆௃ூᑖ᪆௃ூ௃পপᮣᵯḄᑖ!1mA,ᮣᵯᢣ┐᝞%&'()ᡠ+,+ᦪ!25.0mAফফᮣᵯḄᢣ┐ᢣᑮ%&'/)01,+ᦪ!15.0mA᪷34ὶᑖ67⁚9:ᵨḄᵯ!

736=/—/'=10mA᪷3ᵯ=᪀?@ABCᑣᨵI0=i'RgᮣᵯḄᑁ9!&=220Q3Gᔠ%I'ḄJᐵS,Kᵯ9LᵯM'ḄKᵯNᜧ67⁚9:4Ḅᵯᜧ10mA,᪷3ᵯ=᪀?@ABCPQRᡠSPQT(஺23.ADᔳVR18T2ூ᪆௃ூ௃(1)WVᳫḄYZ4=\]^_◤⌕PQᳫḄbQm,ᳫcJdefḄgᜧvSh6PAஹBjḄkc=ᔠl6,mḄfjnoᡠSAD⚗ḄᱥᳮQ◤⌕PQᦑ⌱AD஺ফ2ᳫḄYZ!112Ev--mvk2ᵫs☢ᐝvᑣᳫwAᑮBxᒴgz){YᑣcJdefḄgᜧ3Tὶ|YZḄ⊤~k18஻(3)3ᵫ☢ᐝvᳫᙠ6'᥅xᓄ!ᑁZdeLḄdឋZᨵᐰᓄ!ᳫḄYZᡠSPḄdឋZᐸT(஺24.3.40☟Dூ᪆௃ூᑖ᪆௃ூ௃(1)1_᪗20ᑖḄᑣ᪗ᓱḄ¡!0.05mm,ᑣᐸ¢ᦪd=3mm+8x0.05mm=3.40mm(2)ফ7᦮¤¥¦^§¨z©¤¥¦ª«fvᙽ®ᙠ¦¯Z☟⊤°¦஺(3)3YZḄNQ

74*K=g(M+஻)%õ&§ºḄÇ4AEp=mgxö÷ºøឤ◤⌕ÝdºḄu4õ&§ºḄÇ4ᑣ1....d2—(M+in)—=mgx2t\ᑣᨵ1=2mgJ(M+m)d2ABC┯ûD×ü஺ᦑ⌱D஺25.BF4.8<<=ூ᪆௃ூᑖ᪆௃ூÕ௃(1)[1][2].ᵯ|ᵯd§6V,Üýᵯf5C,ᑣᵯE61=-=--A=1A+F1+5ᦑþºÿ
ᵯ⊤⌱Bᵯᑁᵯᦑᘤ⌱ḄFফ[3][4][5].ᵫᵯ5ᵯḄᵯ!ᵯ⊤"ᦪRo$Ḅᵯᵫᵯ!⊤"ᦪ%ᵯ⊤"ᦪᡂ'(ᑣᵯḄRo=~4.8flᵫ*+ᵨ-ᵯ⊤᜜/0ᦑ
1Ḅᵯ2ᜧᑣᵫ456
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1Ḅᵯ=29(3)[6].ᵫ*ᵯ!⊤E$ᵯFᦑᵯ!⊤GHᑖᑣIJᵯ⊤
1ḄᵯKᵯᵯ!⊤"ᦪᵯ!I
L;MNḄ஺26.1.4x10-2ᡈQ014∑RḄSmூU᪆௃ூᑖ᪆௃ூXU௃

75(1)ᵫ%᳝=1.4cm,x=(4.1—1.4)cm=2Jcm,⌨=(8.4—4.l)cm=4.3cm,2x=(13.9-8.4)cm=5.5cm,¿=(20.9—13.9)c?n=7c7%,᪷3⌲ÈÉÊ஽=(ᓰ+%[T]஽+X)4ᐸ'T=ls,Ðᐭᦪa=0.014m/s2\ফ᪷3ÔÕÖ×BCÊF8—mg=ma,ᡠSØ⌕P∑ÚḄbQm.8U27.acdjLÝMÞM2.3057ூ᪆௃ூ௃ফGᔠJᐵß!àáâᵯMãᐰvY9ᘤḄvᱏæ,1açGᔠJᐵèéYvᱏêëᵯ⊤ìíî+ᦪᵯï⊤+ᦪðñ3V,ᐸᦑóô_ZcdjLÝMÞM\(2)[3]ᵯï⊤ᨬᑖ!0.1V,ᑣᵯï⊤¢ᦪ!2.30V\(3)[4]ᵯï⊤ஹᵯ⊤◤⌕᡽ᜧQ=ᔠùúḄûBᵯï?ᵯᵯ⊤4ὶR”Q᡽ᜧᑮ஺.3A,ᵯï⊤ÿὶR2,᡽ᜧᑮ4.0V,᪷᡽Ḅᵯ⊤ᑁḄᵯḄᑁ⌱ᵨᵯ⊤᜜!"஺᝞%43(4)[5]᪷%3ᵯ,%-./ᑮ01Ḅᵯ2,ᵯ2᪷345/Rd஺28.BC().7004ALூ,᪆௃ூ/,௃পপᵫ?ᵯ@ᵯAB23V,ᵯ⊤Cᦪ⌕FᑮGHᑣᵯ⊤⌱CJEফᵫ1=:O-Pᵯ,QᨬᜧᵯS20.6A,ᑣᵯ⊤⌱B஺

76(2)[3]_`
aᘤḄbcd0.5mm,cd20.0x0.01mm=0.200mm,ᡠfᨬhiᦪ0.5mm+0.200mm=0.700mm஺(3)[4]᪷klᳮn/8ᱥ᝞(4)[5]᪷kᵯ6AR=p—3Up7t\Rd~4ALh%+VWᵯ⊤AḄ"ᦪ25mAhᵯ⊤2A-4A1Ḅ"ᦪLᵯ⊤A2Ḅ"ᦪq25mAூU᪆௃ூᑖ᪆௃ூXU௃(1)r1
J⌕tᵯ⊤"ᦪuvᐸxḄyz{ᵯ!UL=2.5V,ᑣᵯ!⊤x|ᜧG}⌱ὃ⇋ᵯ⊤A2%ᵯRoὶᦋᡂyᵯ!⊤ᓽ30X10-3AX30Q_U30Q-30Q+70Qᦋᵯ!⊤ḄxUv=3Vᵯ⊤Aiᵨ*
ᵯ9᪷k456Lᙠ'BJḄ68஺ᘤR2|ᜧG〉ᔠ▲ᵯᘤRi*'BJᵯ+ᵨᑖ!ᵯᡠf⌱{ᵯᜧḄ4fᑖ!/ᐭᵯ+ᵨ᜜/0f◀஺ᦑ⌱ABEFo(2)[2]᪷kᑖ᪆1ᵯ:

77(3)[3]Ḅ{ᵯ!2.5V,ᑣ2.5V=/(30Q+70Q)2UpI-25mA2ᡠf⁚Ri¡ᵯ⊤AḄ"ᦪᑮ25mA஺2(4)[4]᪷k456U_2(&+V)ম$hᵯ⊤A.Ḅ"ᦪhᵯ⊤AḄ"ᦪq25mA஺22.9(2.73.1)2.9(2.7~3.1)8.8(8.4~ூU᪆௃ூᑖ᪆௃ூXU௃ব[1]¨v©ªBB1R«

78ভফব᪷Zᔠᵯ,345E=/(A+\)/:1Rr—=-1-IEE]ᔠ%^-P1,7.1-1r,—=K=---------;C=1E18E_/`E=2.95V,r=2.95Q(5)[4]᪷ᑖ᪆-PER=——r=8.85QxI31.—M»m0.20M+mூ_᪆௃ூe_௃(1)পf⊝᥅ij:mg-Fy=ma4=Ma_/:

79ᑣa-7Ḅ®Ḅ¯᳛Mᔠ᜜±ᓽ²³´±µ¶!I`M20F=—N=0.20No102232.¸⊝᥅»±0.560G¼AV-W—MூU᪆௃ூᑖ᪆௃ூXU௃(1)r½8¾$¿⍝Á¯yÂdMᑭᵨᩈÅḄƱǿ⍝ᔣÉḄᑖ±ᩭ¸⊝᥅»±;(2)ফ᪷kÌ᪗ᓱÏḄiᦪ0pÐᐝᩩḄÓd0.5cm+12x0.05mm=0.5cm+0.060cm=0.560cm(4)ÔÕÖᩈÅ×ØÙÚ
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]=1τ7?v+RDRU~~EER/nᵫ0.5E
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94ᢞ@ABCD1஺ᦑ⌱B஺(3)[3][4].⚪FG8H᳛⊤KḄLMᦪᡠP஺ḄLMᦪᜧRSTUḄVW⊤KḄD1,ᡠPbḄD11஺d_56.1.025C=2ghAr-tNtஹA2ூG᪆௃ூJG௃পপZ᪗ᓱḄ]%10mm,Z᪗%5x0.05mm=0.25mm,ᡠP(ᳫ_d=10mm+0.25mm=10.25mm=1.025cm(2)[2]᝞abcdeឤᑣ(ᳫ'(Ḅ+hidj!klḄmdᑣᓽᡠPo◤⌕BC(ᳫḄqC஺ẆsḄtuv(ᳫᙠxᐝᵯ{|}ḄdC~ᓄ◤⌕AஹBᐝᵯ{8}ḄᦑAB┯C஺(3)ᵫPUᑖ᪆᝞al=-(bᓝᓽd(ᳫᙠ*AᑮBtu8bcdeឤ஺,d%=Qt2ᓽV27Vi7(4)ভ᪷ᒴ~mḄ}ᐵMu=%+at,ᨵ(d\.---+gAiஹ‘2JV1>__d_____d_*t-Arz,•Z257.2.600ᵯ⊤ḄᑖM7E=k-1ூG᪆௃

95ூ௃(1)[1],Ḅ_d=2.5mm+0.01mmxl0.0=2.600mm(2)জফ[3].tᵯ⊤Ḅᵯovt¡Ḅᵯ-.7ḄD¢vᵯ⊤Ḅᑖ⌼ᡂḄ£¤7vᵫ!ᵯ¡¥᪀⌼ᡂḄ!M7Rঝভম.ᵫªᔠᵯ¡¬®E=U,+tJ-~U'r4~¯°HRr~rᑣᨵ±²Ui=OU=a2ᑣᨵRyE=aQR)+r)w=kr°³akE=----k-\r=&k-\58.C6.1ac42ூ᪆௃ூ௃ᢱµBCᵯ¶·BᢱµBC¸ᵯCᢱµBCᵯDᢱµBCᵯ·%BCᔜºᐭ}Ḅᵯ⌱¼Cᢱµ஺(2)[2]⌱¼“10V”ᵯᢱᑣ½ᜧ¾⊤K2V,½(¾⊤K0.2V,BCḄ¿%0.2V,9ÀÁᑮ0.1V(Â9%ÃÀÁ)ᢣ┐29ḄKᦪ%6.1V஺ªᔠÇᐵK,ºᐭ஺ஹ஻ɺᐭ஺ஹcᢣ┐ᙳË.ÌÍÎaᑮᵯÏḄ᩽ஹcᑮᵯÏḄÑ᩽vÒ¡ºᐭ஺ஹ8ᢣ┐oË.ÌÍv¢%ᵯ%ÓᡠPÔÕË.&Ö¡஺(3)[4]×Øᵯ¶ÙÚᵯᘤÜὶÞßᵯo(!à=20mA,ᑣáᵯ¶oᜧ!E%ã—=325Cᵫ!R0=K+R+K

96ᑣ4oᜧ!275஺஺ᵫ⚪ᵬFæç²K=275஺è/=42஺(2,ᓽèoê!42%஺59.BC1:3X——\y-yi2ூ᪆௃ூ௃(1)[1]AB.%&dëçìímîï✌ᐜñ(ᳫòḄvìímᡠPHóî⍝o⌕ᐝõö÷øvùìḄ஺ᦑAoúᔠ⚪ûBúᔠ⚪û஺C.⌕(ᳫávü"µýþÿ
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)Ḅ'Ḅ*+ᓽ-'◤⌕/012ᓄ஺ᦑD'ᔠ⚪஺(2)ফA456ᑣᙠ89:ᔣ<=
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*ឤ2?«grw62./ᴈ°±ᙳᒴᥜᙠµ☢a¶·¦¸¹º»Ḅ¼½¾$º»Ḅ¿Q»—Nna-V,ூW᪆௃ூᑖ᪆௃ூzW௃[1]ᵫSTÁÂ,ÃḄSTÁ¦ᙠÁÂঞ_ÅaB/ᴈ°±ᙳᒴᥜᙠµ☢a஺ফ┯ÈḄ¦ÁÂড¶·ᦋBË¿ÌÍÏᑁ¢ÐÑḄhᦪN,ᐸM¸¹ºc»¼½¾$ºc»Ḅ¿Q»஺[3]QÔÕ⏚⏀ØÙÚÛᨵÝÕ⏚ḄÞß

98=ànVnV22ª«Ḅ☢S^Na2ª⏚ᑖ®Ḅ9¯SNncrV263.(1)°l.OOxlO4(2)জ᝞ᡠ²;ூS᪆௃ூᑖ᪆௃ூWS௃(1)´⊤µ4¶·⊤Ḅ°᩽ᡠ¹ᵯº⊤Ḅ°¹A».ᵯº⊤Ḅᑁ½<10.0X1000Q=1.00X104Q.(2)¾2½ᘤḄᵯ½À#Fᵯº⊤Ḅᑁ½⌱Âᑖº¹ÃÄÅᵨᵨÆÅÇp¾2½ᘤḄᵯÇÈp1A,ᦑ⌕⌱Â_ᵯÉ᝞PRÊu,uஹR°᪷N¶·|Ë-tᵯº⊤ᑁ½ḄÌ

99á:dâḄãߦäåæḄçèéêᘤëvìíîïðñᳫòóḄµôðñIC/«1.153x0.173m«0.2m65.5.4Bd2=2ght2õöᳫ÷øùMúûூW᪆௃ூzW௃ᵫ¤,BY᪗ᓱ?Y?10ᑖ:Øü:0.1mm,]?9:5mm,Y?“4”d]?9:ef,ᡠAᦪ5mm+0.1x4mm=5.4mm«ফ[2]AB.⚪◤⌕ᵨᑮᓄᦑ◤⌕ABḄ◤⌕⍝ᙢ☢ḄᦑA┯BC.⌕ᑨ"mgh#;mv2ᐵ&◤⌕⍝'(ᳫ*A+,ᑮBḄ-tABᦑC┯஺ᦑ⌱B஺(3)[3]ᑭᵨ'(ᳫ12ᐝᵯ5Ḅ6ᙳ8ᩭ:;<-8ᦑB=8v=e᪷?@ABឤḄ⊤EFᨵmgh=emvd=2ghtᦑH⌕IJd2=2ght2ᓽL஺(4)ভNIOPQRSTAEkUVW'XYZAE,LḄ[V\]ᳫ+,2^O_P`a஺7rD2ISR+r)66.50.155.695ম693~5.697)0W)ூc᪆௃ூᑖ᪆௃ூgc௃(1)[1]20ᑖḄh᪗ᓱkl0.05mm,ᙊnoḄpL=50mm+3x0.05mm=50.15mmফrstᘤḄvRw50xᐳ0.5mm,z'xḄp0.01mm,vRw{|ᑮ}=~xᑣ

100ᙊ»ÞḄ9¯ூ/᪆௃ூᑖ᪆௃ூB/௃

101(1)[1]A.ᔠ75ᑖ7ḄᐵF$:ᦔHIḄᐵFᦔJK1LḄᡠMᙠLOPQRS◤⌕VWX7YZ[ᩩ+OX7YZ[ᩩ]^Ḅ_ᵨᦔJ1Lᑣ`)abOḄcd⌕1LLSY7Ḅᜧf⌕〉hᜧOi!Mᨵᦔkflm஺ᦑApq஺B.ᙠrsQRtPu>RvSabOḄcd!M5wOPxL஺ᦑB┯l஺C.zᵨ7S{7;ᔣ|}7~!Mkf᥅]^Ḅlm஺ᦪS|p79!MkfᏔᯠlm஺ᦑCpq஺D.YZ[ᩩḄ⌕8Oi᪗ᵨO;ᔣḄWb⌕Oi!Mkf;ᔣlmᦑDpq஺ᦑ⌱ACD஺(2)ফ᪷=>)ᑣ!"AC5⊤ᑖ7FḄOB891:;ᔣ=>ᑣᔠ75ᑖ72ḄᐵF=>)ᑣ஺68.”ᔩᙽ7f15.6252t22brூ/᪆௃ூB/௃(1)[1].ᙽᒴ¢£ᐝᵯ¥ᨵd=vtᙽ¦"12E,--mvk2/*2r(2)[2],§¨©ᨬᜧ«¬Ḅᨬᜧ§ឋ®¦ᨬᜧ§ឋ®¦5ᙽḄ¦51:/জঝ(4_4=ᔩঞ'2bt?(3)[3].²³ᙠ´~µᨵp¶·஺ᑣঞ$(%—¹)2="+஺(C$¶·)5>2bt2ᑣᙽḄ¦f»§¨Ḅᨬᜧ§ឋ®¦¼⌕Kᙽ7ᡈ¾¿ÀÁ»ÃÁ஺(4)[4],ᵫঞ"³ḄÄ᳛$Å;஺ᣚᵨÈ9FᦪÉᜧḄ§¨ÊQRᑣbÉᜧᑣ³Ä᳛2b

102f஺(5)[5].ᵫঞmd20.05kgx(0.02m)2b==15.625N/m2(L-L)2122x(0.1m-0.08m)2x(0.04jf)2069.ᐜ£ᡭbSᘤᵯÍ0.600.595ᙠᐕÏlmÑᑁ£²QRRvÓWᳫÕÖ×ឤூG᪆௃ூJG௃(1)[1]$ÓᡭbÙ)QRS|ᐜ£ᡭbSᘤḄᵯÍtÚÛᙽ1»(2)[2]_ᵨwFÜḄÝ$ᙽ1Ḅ,4)=ßàá0.12,°v=---------m/s=2m/s0n0.02x3ᡠMPo-0.300x2kg-m/s--0.600kg•m/s[3]_ᵨ¬FÜḄÝ$ᙽ1+ᙽ2Ḅ+âãSᙽ1¢9vi$V,=m/s-0.983m/s10.02x3ᙽ2¢9V2$ᔣs=3m/s0.700x10-3MWᙽ1ä_ᵨM¬FÜḄÝᜧfp=I%+rn,v=0.300x0.983kgm/s+0.100x3kg-m/s=0.595kgm/s2(3)[4]ᑖ᪆ÕÖw¬ḄÝåQR!MᑮḄaçKᙠᐕÏlmÑᑁ£²QRRvÓWᳫÕÖ×ឤ஺è]*3.02.470.010

103ூc᪆௃ூᑖ᪆௃ூgc௃(2)[2]ᔠᐵ᪷?ὶᵯL4ᵯUo=uo—Go,ᵯ¥/=¦᪷?§¨"%%=UBCUDIq஺(3)[3]᪷?ᔠᵯ§¨"LªL«U=2(r+&)E%rrᵫ¯°L±4=0-t/=1.0V,ᑣᨵ2r+/?_£xl.20rr¯°Ḅ»᳛r+R஺2.4-0K=-------=--------=1.Jr2.6-1.0ὶc«E=3.0V,r=2.4Q»71.ᢱᐝᱏᐝᵯ5ÆÇᘤÈஹÊஹᵬᙠÍᐕÏḄÑᑁHᨵ`aḄÓÔ+R#ÕÖvᓄ'ᳫ@A×ᢝ஺ூc᪆௃ூgc௃ÙᐝḄↈᱏJVᢱᐝᱏÆÇᘤKḄÜÝVᐝᵯ5ÆÇᘤ

104(2)[3]D=ḄhÞ'ᳫḄÞᜧ'ᳫḄRÞ'ᡠá'ᳫḄEpஹREkஹ@AEâ'ᳫD=Ḅhᓄᐵ&Ḅ¯ãᑖäVÈஹÊஹᵬ(3)[4]“ᵨDISẆæ@ABឤ"”?¯ãᵬL«ᙠÍᐕÏḄÑᑁHᨵ`aḄÓÔ+R#ÕÖvᓄ'ᳫ@A×ᢝ஺72.012.0V-12.0V1530஺1.8஺12.6V1.50ூc᪆௃ூᑖ᪆௃ூgc௃পপফ[3].èéজOᵯ¥ëGḄìᦪ0-ᵯOAB=ᵯÕî,ᓽAïB=ḄᵯÍUAB=0VAïC=ḄᵯÍîXᵯ⊤ḄìᦪᓽUAC=12VAïD=ḄᵯÍUAD==42Vফভ[5].ᑭᵨèéজOḄᦪ?Láð«ᵯ⊤Ḅᑁ_&==—#-Q=15300ᵯ¥⊤Ḅᑁ_%="-ò=ó-28.2=1.80(3)[6][7].ᵫᔠᵯ§¨"L«2E=2UAC+I2rᓽ2E=24+0.8rôᳮ2E=2t/+/-2r4Cᓽ2E=2xll.7+0.6-2rc«E=12.6Vr=L50ft12g„,,73.7.25d/t-=—r//()2gHt(i=d20%d~ூc᪆௃ூgc௃h᪗ᓱkḄök|ᦪ7mm,h᪗|ᦪ0.05x5mm=0.25mm,ᑣ'ᳫḄ÷ød=7.25mm.(2)[2]᪷?᩽ú-ᑁḄ6ᙳ8îX<-8'ᳫᙠBᜐḄ<-8

105_dVB~~'(3)êfᳫëìr7®¦Ḅkf$mgH(”¦ḄíîE=-mv2=-m(-)2k22toïð¦×ឤᨵ:ᓽ/(♦+8)74.(1)C(2)Uj(3)1.5%ூG᪆௃ூJG௃(1)[1]⌕óq)ô)ᵯ$3VḄõö÷pøù_SḄᵯ◤õö÷÷WúḄᵯ+£õö÷÷Ḅᵯ%ᵫ»ᵯ⊤Ḅûᜧlmûᜧx¦ᵨü"Ḅᵯ⊤õö÷WúḄᵯ!Mýᵯ%⊤A5),ᵯþὶᦋ
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106U_I(RRJRi+/-Rv[3]ᦋHḄᵯ⊤ᑁ&
!Rv=1985+15£l=2000Q,ᑣKI=L5mA?@Ḅᵯ
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107£=2+0.095(R+r),Rk!ᑁ&3).530஺77.BD0.76(0.74-0.78)0.54(0.50-0.56)ூR᪆௃ூᑖ᪆௃ூUR௃ফ·⁚¸ᵯ¹Ḅᵯ$¶
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EUÄ1.5-1.07r=-----R.=(---------·0.1)஺=0.76஺MÅ0.5ᵫ*(0.74V-0.78V)ᙳ(4)ÈKᵯ⊤eᦪ
0.30AeOU=1.23V

108ᑣµ᯿3À=ᐝḄ᯿Ë
0.54k,ᵫ*(0.50-0.56)kᙳ78.3.202-3.2055.015ூR᪆௃ூᑖ᪆௃(1)RÌÍ⚪ḄᐵÏÐ!ÑÒÓᘤḄeᦪ0Ô;ÕËeᦪÖ$ÕËeᦪᙠe$ÕËeᦪ◤Ùe.(2)Û᪗ᓱÝeᦪḄ0ÞÝeᦪÖÛ᪗eᦪ◤Ùe.(3)ᵫᵯ23᪷8ᵯ⊤ᑁ&Ḅßà;áâ.ூUR௃(1)ÑÒÓᘤḄÔ;ÕË
3.0mm,$ÕË
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50mm,Û᪗Ýå3æÕË}ÞÝç·Õ˵èᡠÛ᪗eᦪ
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109/=q,ýᔠ¯°È±Rx=O-Ig=20mARx=150A-Ig=10mA஺:ᐭᦪ?c«ÿ%=150Q,E=3.75V,E[3]ᵫ/=ᵯ==150஺஺ᓽ150=15x10,ᵨᵨᵯ⊤Ḅ“x10”᳛Ḅ!"ᢱ$%&'((3)[4])“3”*+“4”,-ᑣᨵ஺=44+/&=//,+1,4234U=10V,ᓽ5ᵯ⊤Ḅᨬᜧ'810V|5|“8”*+“5”,-56+/(K+E)=50V,ᨬᜧ'850V,ᵫ⊤;ᨬᑖ=IV,>ᦪ5@>ᑮBCDᡠF5Ḅ>ᦪ20.0V஺80.9.61.0045ABூ,᪆௃ூ/,௃(1)[1][2].ᵫG᪗IḄ“0”JKᙠMINḄDO>P᤮ᳫSTḄ᦮VWᦪ9mm,G᪗IX6ᩩJ=K+MIJ=KZ[ᡠF᤮ᳫḄSTd=9mm+6x0.1mm=9.6mm,ᓫ᤮᤮]/=£+-=(0.9997+0.00428)m=l.0045mo(2)[3].ᓫ᤮᤮ᳫabc⊝DO5Ḅe=ᨬᜧabᨬᜧDfᜐḄe=0,ᙠc⊝DOh5ijᨬA⚗lm(nop49qᐰstuᡂ50qᐰst&3Ḅᕜxyᑣz{|e=Ḅ&'yᜧB⚗lm(᤮ᳫ}~ᜧ{ᜧᑭ&'Ḅm=C⚗┯i஺ᦑ⌱AB஺81.0.52cm0.43ᙽDOᐝᩩᑮᐝᵯḄDfsmgsṹᙽḄt|'2ூ,᪆௃

110ூUR௃(2)[1]Û᪗ᓱÝÞÝeᦪ
0.5cm,Û᪗Ýå2æÕËzÞÝç·Õ˵èᑣÛ᪗eᦪ
2x0.1=0.2mm=0.02cm,ᡠᨬäeᦪ
!0.5cm+0.02cm=0.52cm[2]ᵫ*÷ᐝᩩABᐝᵯùḄú᩽ü"iᑭᵨþᙳÿᩭᐸᙽᐝᵯḄV---0.43m/st[3]᪷ᳮ◤⌕!"ṹ$ᙽᡠ&ᡂḄ()*+,-Ḅ./01"ṹ$ᙽᡠ&ᡂḄ()2-Ḅ3405ᔲ78ᓽᑨ;<=-5ᔲ>ឤᦑ◤⌕A0ḄᱥᳮCᨵEᙽFGHIJᐝᩩᑮᐝᵯḄHMs(3)[4]ম"ṹ$ᙽᡠ&ᡂḄ()ẆPQRᐸ*+,-Ḅ./0mgs,()2-Ḅ30:(4+M)(/)2W⌕!Xὅ5ᔲ78ᓽZ()<=-5ᔲ>ឤ82.4.700AC2.76W=mgs[⊝᥅^+ூ`᪆௃ூᑖ᪆௃ூd`௃(1)e]ghAiᘤḄkl0.01mm,mnḄop4.5mm,oᦪ4.5mm+20.0x0.01mm=4.700mm஺(2)[2]AB.sẆP/tuᑮḄᔠ+Q/tᡠwḄx1/t2-Ḅᦋz0{|Ḅᐵ(~/tuᑮḄᔠ+1*ᱥḄ*+ᜧ/78ᦑ◤⌕[⊝᥅^+*ᱥḄ0//t$JᐝᩩḄ0B┯AlC.◤⁚[⍝ḄᐝᵯḄ1⍝[Cl஺ᦑ⌱AC஺(3)ব/tJᐝᩩᐝᵯḄV---2.35m/st34Ḅ2-1,AE=-MV2=2.76JKO(4)[4][⊝᥅^+*ᱥḄ*+/tuᑮḄᔠ+ᡠᵨ*+¢/tFG£ᑮᐝᵯḄ¤¥s¦§¨+ᡠwḄxᓽW=mgs„

111(4)[5]©*ᱥḄ0//tJᐝᩩḄ0ᑣ[⊝᥅^+*ᱥḄ*+/tuᑮḄᔠ+ᑣᑖ᪆⌼ᡂ□5ᶍᜧW5[⊝᥅^+⌼ᡂḄ஺mg—(m+M)a83.1.18m/s1.50m/s2஻MgூG᪆௃ூJG௃(1)[1][2].®¯°±7²¦ᦪ£Ḅ||◞T=0.10s,´Si=9.50cmஹSz=lL00cmஹS3=12.5cmஹS4=14.00cm,ᡭC£®¯Ḅᜧ/$2+$3vc=-------2Tᐭᦪ¿Àv=1.18m/sc4_4+஺2_($4+⎃)-(P+52)a-2—>ᐭᦪ¿Àa=1.50m/s2ফ[3].QᩈᙽஹÆṹÇ$Æṹ&ᡂḄ()ᵫÉÊËXÌÍÀmg—pMg=(M+m)a`À_mg+஻=Mg84.Ri1000R(ᡈ2zÏᘤ)300Ð5001ூG᪆௃ூJG௃(1)ᵫ2zÏᘤḄᨬᜧÏ¿1000C,ᦑÒ2zÏᘤᑮᨬᜧᵯÓḄᵯÓÔEI«—=1.5mAR⊤ᜮ×ᦑÌ¿ᵯÏḄᵯØÔ/_/*=1.2mAᦑᐸÏ¿R=
=25Q7,.Ì¿ᵯÏÙ⌱ÚRi஺

112ᦋÛÜÐ⊤ÝÞᵯØ⊤ᜧ×ßᵨ⊤ḄᑁÏEá=------=1000Qᦑßᵨ⊤Ḅ¿ᵯÏnâá=1000஺(2)[3][4][5]ᵫᵨãä⊤AᑁÏᦑ✌ᐜ⌕çãä0,ᓽ⁚R,ᵯØ⊤×ᓽᢣ┐ᢣᑮ300pA,Ð⊤ÝḄᵯê᩽ᦑÐ⊤Ý1ᵯì⊤Ḅ“+”ï7[6][7]ãä⊤ᢣ┐ᢣᙠI=200pAHIᑣᵯÓḄᵯØ51,ᦑñAᵯì⊤ḄᑁÏ´ᵯì⊤0òU,ᵯì⊤±Ḅᵯìy=5/x7?=0.5Vvᦑᐸ0òIV஺85.(1)+,9.0(2)ᜧ(3)8455ூ`᪆௃ூd`௃(1)ãä⊤ḄᵯØóÐ⊤ÝØôÐ⊤ÝÙ1ᵯì⊤Ḅ“+”ï7ãä⊤Ḅoᦪ9.0kQ.(2)õöᵯÓ÷ᔠøᐵS1ùÙ2zÏᘤḄᱏMᑮᨬûôᵯìüᵯÏýᐭᵯÓR=5UR,ḄᵯÏᨬᜧþAᵯì⊤ḄᑁÏU

113ᵫR<[RAR=J1.5X3(X)()ᦑᵨᵯ⊤᜜!⌕#$%Ḅᵯ&'()!ᡠ+,-.ᘤᵨᑖ0!ᦑ12ᵯ34⌱C஺(2)[4]ᵫ/-U89:;!<$%ᵯ2.0V=!Ḅᵯ>0.38A,ᑣḄᵯ=-=-^-Q«5.3Q(5.1ᡈ5.2)I0.38ூ᪆௃ூᑖ᪆௃ூ௃(1)]@ABCDEឤ=GH,1,mgh=—mv~Idv=JtK.d2gh.——2(4)2L◤⌕NOḄOPᳫḄRSdo12(2)[2]ᵫ(1);8஻=——rᡂU=!ᳫBCDEឤ஺2(4)288.(l)3m/s2^)42mூ᪆௃ூᑖ᪆௃(1)ᵫVWXYZ[ᵨ\]ᑖ#^_`a(2)᪷c[-d0#ef᜜ghi=Ḅjka᪷cVWXYZ#ef᜜glḄ^_`mjk!ᨬl#ojk.ூ௃(1)qgᑖ᪆r\]ᑖrᵫVWXYZKrfcos45-f=ma(Fsin45+N-mg=0

114ὶUKra=2)mls2“1,1,(2)i4sᑁḄjku=-af=-x3x4-m=24m,224svḄ_`rv=at=12m/s,ef᜜gl᪷cVWXYZ:;r-Rng=ma',Kra'——/jg--Amis2,0-v20-122w_▤yḄjkrz2=:!-=q7஻z=18J,2a2x(T)Ḅojkrx=X|+஽=42m.ூ௃⚪PVWXYZḄ4ᵨ⚪aᐵP;⍝^_`Pὶ@[-mgḄ᫑᫡![ᵨ\]ᑖ#^_`P⚪Ḅ.89.7.00.30A0.75V400ூ᪆௃ூ௃(1)[1].NY᩽Ḅᔣᵯ!ᑣᵯ&Y᩽Ḅ᩽ᐭaI⊤Ḅᵯ&A%!ᦑA%Y᩽Ḅ᩽a[2].᪷c`!Kᦪ7.0,I⌱ᵨxlk஺ᢱ!ᦑY᩽Ḅᔣᵯ7.0k஺a(2)[3].=B%P“1”¡Ḅ!ᑣ=PᜧO£ᵯ⊤!R1A᫏!ᦑ=¥¦⊤0.02A,§ᦪ0.30A([4].=B%P“4”¡Ḅ!ᑣ=O£Ḅᵯ⊤,Rᵯ2.5V᫏!ᦑ=¥¦⊤0.05V,§ᦪ0.75V((3)[5].ᵫᵯ3ᱯ!2=500HA᫏!ᑣ//=(f)(K+&)ᓽ(500-200)xl(f6x(R1+R2)=200X106X600᦮ᳮKRI+R2=40002ks90.Dߟrூ᪆௃ூ௃(1)[1]¬ஹBh¯Ḅ°±²ᐝᩩḄµ`஻!᪷c-Dᳮ

115Fs^-Mv22dv=JtὶUK„Md-(1YF=-------------2sJ⌱·¸¹ᙶ᪗!⌕Kᑮ½ឋ.ᓄ89!ᑣÀᙶ᪗Á⊤ḄᱥᳮOᦑD\Ã!ABC┯Å஺ᦑ⌱Do(2)[2]ᵫ·=Æ(È);!K½ឋ.ᓄ89ḄÊ᳛k,ᑣ,Md2k--------2s,ᙽÍO(βᐝᩩmÏgÐÑᘤ)Ḅ⊤Ò0..2dMF91.AC0.820.067ூG᪆௃ூJG௃(1)[1].A.ÓÔÕḄ-DÖP×ØÙÚÛḄÜÝ!Þßà⊝᥅ãg!äᩈæ⌕〉<ḄèÊ!ᦑA\Ã஺B.ᡭê=ᘤëᵨḄPì]ᵯí஺ᦑB┯ÅaC.᪷c12îᳮ:;!¥ï12!ÕÞß&ðJjñᵫ☟óô஺ᦑC\Ã஺D.᪷c12îᳮ:;!×ØÙÞßPðḄ!ᦑD┯Å஺ᦑ⌱AC(2)[2][3].⌕NOᨬᜧ_`!4õ⌱ᵨöឤḄ÷ᑖ஺ᓽ4⌱ᵨøùḄCஹDஹE÷ᑖúûNO!=¯¯◞0.02s,ᨬᜧ_`rx1.64x10-2v=-=---------------=0.82m/st0.02᝞Ýᵨ2ᩩ×ØÙÚ12!þÿᙠᳮḄᨬᜧE.=2--mvl=0.1x0.82?J=Kni2n0067J92.(1)3.33(2)0.320.36ᜧஹᨵ᥅ᡭ!"ᘤᨵ᥅$(3)%◤⌕ூG᪆௃

116(1)()ᡭᕜ+T=0.02s,᪷-⌲/01ᩈᙽḄ456:(8.20—3.50—3.50)x10-2᳝6-*03=3.33m/s2.9T29x0.022(2)9ᩈᙽḄ:;M,᪷-<=>?@Aᨵmg-f=(M+0.02)a,/=஻(M+0.02-m)g,ὶC1D456Ea='+,-ᵫGH1)Im=0"a=஻g=3.3m/s2,ᑣᩈᙽᩈK᥅Lᦪ|i=0.34,Lஹᨵ᥅ᡭ!"ᘤᨵ᥅ᡠOP;QᜧRSQ.(3)SUVWᨵXᵨZ[$\[ᡠO%◤⌕]^_ᢞaṹc:;dᩈᙽefVaṹc:;.93.ghὡjkl1.027ூD᪆௃ூᑖ᪆௃ூqD௃ᵨDISẆsᙠt6%u"vwḄxyzt6Ḅuᓄ|}ᡠO~1ᵨUghὡ@A(2)[2]ᘤᑁvwᑖᐭvᳫxyᘤᦪp”᪷-ghὡ@AEPM=PoKᡠOᓃ_p(ypPi"ᘤᑁᒕvwḄw|ᓃᡠO"vᳫwMkᓃ)k3Pl3(3)ᵫ⚪1)"ᘤᑁᨵw0.5%ஹxypoḄvwvwᐰxᐭvᳫvᳫḄxy"ᘤᑁᨵw¡ஹxyP0ḄvwVḄ;vwxᐭvᳫ£ᔠ⚪VH¥1)ᒕḄvwḄw¦ᙠ0.5%§¨xyᶍᜧP஺ᡠOᒕḄvwḄwᶍ0.5V஺஺ᵫH1Oxy¦L027po0ூ«௃¬SUUឋSU⌕¯ᑴSUᩩ²SU⌕¯ᑴ³´ᩩ²EkᘤᑁvwḄ:;k@?vwḄt6k@µᵨghὡ@Aᑡ·¸¹ᑖ᪆஺º᜜¼⌕h½¾¿·ḄÀᓄᓽ1O"ᘤᑁᨵw0.5V஺ஹxyp஺Ḅvwvwᐰxᐭvᳫ"ᘤᑁᨵwV஺ஹxypo

117Ḅ}Ḅ7}ᐭᳫ¡¢ᦔḄ஺294.12.0ூ2᪆௃ூ§2௃(1)[1].ᵯ᫏'850V,ᑣᨬᑖ=IV,ᑣᢣ┐Z«Ḅ>ᦪ12.0V(2)[2].¬ᵯ⊤ᵨ5«®¯ᵯᵫ°⊤±$²⊤±Pᦑ²⊤±-³Ḅ¡ᵯ´Ḅµ᩽;[3][4].ᵫ¸ᔠᵯº!"»¼34,E½¾3:ᑣᵫÀ:i=bᑣ234E=-kbr--k(3)[5J.ᵫᵨ⊤ÁᙠᑁᵯᡠFᵫ¸ᔠᵯº!"»¼3:E=IR+I(R+r)A½¾4ᵫÀÃÄ᳛▲=%ὃ⇋ᵨ⊤Ḅᑁᵯ5,ÉᡠFᵨ⊤ḄᑁᵯZᵯÊᵯtËḄ&'ÌÍÎÏÐ஺95.ABÑ᦮ÄÒᙠÄÒÓ*ḄᳫÔᶇᙠÖ×DOØÙÄÒÓ*ᑗKÛÜc(DFEABC2y[gl0.7m/sூ2᪆௃ூᑖ᪆௃ூ§2௃(1)pÄÒḄÓ*ᑗKÑᡂÜcF®¯ᳫÝcÞßt⌱⚗Alm(pᩈá᪥ãᑮäSᔣæᩈác☢+ᳫBèḄäSc☢c%■êᳫBè5ëᑮᩈá⌱⚗Blm(ÄÒì⍝îï⌕ïñᐝ,ò⌕ᑮóô*Ḅe=,¢ᓽ⌱⚗C┯i(õqᳫ5ḄDOïñ,Éæö÷noᦔÍ÷ø,

118⌱⚗D┯Åᦑ⌱AB.(2)ᙠÇSUVÈÉḄÊËFEÌ᦮ÎfÏÐᙠÎfÑÒḄᳫ1ÓᶇᙠÕÖ×ØÙÎfÑÒᑗ(ÛÜÝÞḄSUÊËßàDFEABC(3)9áâ³Ḅ"◞T,äå¿ᔣE2L-L=gT2,ᑮT=ÛÜ¿ᔣE%=ê29ÛÜ¿ᔣEVO=2X88XO.O125=0.7m/s.ூ«௃ᐵÜìµSU⌕íîSUḄhï⚗ஹSUÊËஹSUðᳮ.ÜìµᑖDEÛÜ¿ᔣḄᒴ5åµäå¿ᔣḄòᵫówµôᐸhöᵨᒴu5åµ÷ADøÜìµù⚪.96.(DCE(2)SUᵯûH᝞Hᡠý_______|(3)2.5஺0.625,1.875.ூD᪆௃ூqD௃p25<1)ᵯþᡧḄ
ᵯ/==A=0.5A,ᦪḄὃ⇋ᵯ⊤⌱C.ᵯᡧḄᵯᑣᘤ⌱!ᵯ"10஺Ḅᓽ⌱E஺(2)%"ᵯ&ᵯ◤()*+,ᑣᘤ-ᵨᑖ&012ᵯᡧḄᵯᜧ4U252=—=—Q=,67ᵯ&⊤ᑁ97ᵯᵯ⊤-ᵨ᜜12஺ᵯ;<᝞<ᡠ?஺P2.5(3)ᵯ&⊤ᦪ70.5V@ᵯᡧAB஺᪷DEFGHI/?=!=◪஺=2.5஺I0.2MNOP@ᵯ&"5V,᪷D

119ூJG௃(1)[1]%"abcᔣefg@hᑁḄijk"135,lᔠno"(Ḅᒴobqrᱯt%uvRatḄabᑖo"(at"ᳫḄxyt஺(2)[2]ᵫ᯿ᱏḄ}~▭Ḅ}k"14vH

120C⁚ᔠᦑCᔠ⚪D.⌕ᢝ"#ᔣ%&ᔠᦑDᔠ⚪஺*5299.(1)migফ)’+g%=,ூ,᪆௃ூ/,௃(1)[1]-.ᒴ01234ᑮ6ஹ8ᢝஹ᥅:;<=Ḅᔠ?@AB,ᐸDE,ᦑᔠAB<=ḄG<=Ḅ᧕I;JKḄ6ᡠM-.ᡠ4Ḅᔠ᜜?mlg(2)[2]ᒴE0O"PQḄᙳ0STU3VW30Sᦑ%C[3]QXYZ?:212A/74=\ᓈr17ᔠḄ^?:W=mgx,}2◤⌕`aḄᐵcd?:eXI஻D2r17100.ᵨghX-ḄᙊᙌᙌkgZlḄmnᙊoᓽ?ᙳmnḄqrBst4kூ,᪆௃(1)uvẞxqryzḄ-{ᳫᙠ~ḄᙳmnqrḄ#ᵨghX-ḄᙊᙌᙌkgZlḄmnᙊoᓽ?ᙳmnḄqr(1)᪷QXvhW=^v'm᪷hx=vt,h=ygt,ὶhQXvᳮḄᐵcdW=^t4h᪷⊤dh?QXvᳮZᙢḄ60S◤ZḄZ?-{ᳫḄZm,ᦑ⌱B.(3)ᵫ᪆(1)hQXvᳮḄᐵcd?\¥=᦮¢4/?(4)᪷£¤¥¦hW%§¨⊤©ḄᱥᳮZᡂ¬®¯°?⊤d?±=⍺tᡠM£¤Ḅ§4h

121ᙶ᪗⊤?xl

122