2021年江苏省扬州市中考物理试卷（附答案详解）

《2021年江苏省扬州市中考物理试卷（附答案详解）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

2021
ḕὃᱥᳮᔁ1.202
ḕ•ᔊ⚪ᐵᑡ!"#$Ḅ&A.()ᙠ+,-B.(&ᵫᱥ01234ḄC.“789”ᢣḄ&<=(Ḅ(>D.ᑖAᴋᴌDEFᴊḄ(H⌕J☠LM2.202L
ḕ•ᔊ⚪ᑡᦪPQᔠS▭UVḄ&A.ᡂX#YZ[Ḅ\M]1.4m/sB.b4Ḅcd]300kgC.X0hiᨬ—〉ḄmM]n37pD.qrᵯtḄᵯu&380y3.2021.
ḕ.ᔊ⚪xᜩ,ᡭ|}ᨵḄmᨵ“”ᑈ,ᡂ“”Ḅᱥ᝱ᓄ&A.ᓣB.ᰚᓄC.D.ᓄ4.2021•
ḕ•ᔊ⚪ᑡᐝᵫᐝḄᡂḄ&5.2021•
ḕ•ᔊ⚪Eᑮᑡ!"#$Ḅ&

1A.ᑮ✏&nᑖ¡ᨵ¢£B.¤ᑮ¥&n¥ᔾᦈ¨¥ᐝC.©ªᜐ¬ᡂ᭣®¯£°±²ᓄn2±D.©³´µᔣ±¤ᑮ·¸¹Ḅº»&n¼4¨½☢6.2021.
ḕ.ᔊ⚪Àᳫᙠᜮ¼¹᥅ÄÅ☠ÆÇ7ḄÈÉÊÊË2Ìᩭ஺ÏÐ&A.B.ᵯÑhÒC.ÑᓄD.☟ᵯ7.2021.
ḕ.ᔊ⚪ᑡSÔÕḄ&n¨ÖE᥅ÄḄ&8.2021.
ḕ.ᔊ⚪ᙠ“×ØÙ∑ḄᰚᓄᱯÜ”D“ÝÞỚ┴'Ḅᱥ᝱ᓄ”â´ã2äᵨæ"çḄH⌕ÕḄ&A.è&n¨éᙳᒴB.è&n¨ìᑴmMî2⚓ᐳ31⚓

2C.ñὅ&n¨éᙳᒴÅὅ&n¨ìᑴmMD.ñὅ&n¨ìᑴmMÅὅ&n¨éᙳᒴ9.2021•
ḕ•ᔊ⚪“óôõ”ö÷øù▮ö÷Åû±d◤ýþnÿᑗ,ᑡᐵḄA.ᙢᳫḄB.ᙳᙠ-60C.!"⌚$ᙠ%□'(D.)*%□+,-.᯿012ᨵᙢᳫḄ43%10.2021•56ḕ89:•ᔊ<=⚪᝞@ᡠB-ᵯDᵯEFᢝ6yHI-Ri=50,8=150,JKILᘤ᪗ᨵ“15஺24"P᪵-ᑡRSTUḄA.VḄJᱏXᙠYZ-[\ᔠSஹS
_-ᵯ`⊤Bᦪ0.34ᵯE⊤Bᦪ0B.V7?2ḄJᱏXᙠᓃZ-[\ᔠSஹS2_-ᵯ`⊤Bᦪ0.24ᵯE⊤ḄBᦪ3VC.V&ḄJᱏPᙠ4Z-[\ᔠSஹS2_-ᵯ`⊤Bᦪ0.44ᵯE⊤Bᦪ6yD.VR2ḄJᱏXᙠ஺Z-\ᔠ5ஹSiஹS2_-ᵯ`⊤Bᦪ1.24ᵯE⊤ḄBᦪ011.202e56ḕ89:•ᔊ<=⚪ᨵᐵ∑ghh(Ḅiᑴk-ᑡRSTUḄA.⌱ᵨnoḄ∑gᦔqnrB.stuv*∑gwxn,nrC.■z∑g᤮K|ᜧ~s-stuvᜐ∑gwx

3D.■z∑g᤮K|ᜧ~s-∑gZḄ☢12.2021•56ḕ89:•ᔊ<=⚪᝞@ᡠBᵯ-ᵯDᵯEFᢝ6VHI-JKILᘤḄᨬᜧL150,ᵯL5஺஺ᵯE⊤Bᦪ/ஹ7?2Ḅᵯ᳛X2ஹᵯ`13.2021•56ḕ89:•ᔊ<=⚪2020<12ᨴ11S,89ᐭ_ḄKᡂ`¡¢-£«☠¦᩟¨Ḅ©ª◞¬(ᙠᑴ®¯஺G8264°ᑡ±89²³´µ¶³ᵨ_27ᑖ¸-¡¹94.5km,ᐸᙳ»1km/h.,14.2021.56ḕ89:.ᔊ<=⚪᝞@-ᔣ¾¿ÀᳫÁÂᡭ-ÄÅᑮ°1°¾¿ÀᳫÇ“ᑖÉ”ᡈ“☠¦”-ᵨÌÍᘤᔾᐭÏ⏀Ñ,ᑭᵨ£,ÓÔÕÖ´┐ØḄÙZ-ᯠÛᵨÜÝÞßàiá-iáᑁãᶇᨵåæ⏀Ñ-ç┐Øt¡ᔣᔣ᜜éKÔÕê)*-Fᢝ☟z._-ì᝱⏀Ñîᜫðñ-HÔÕ┐ØÂḄ᥅óôõÔÕöw-ᜧ÷ÔÕḄEøéøÇ“ᜧ”ஹ“iù4⚓-ᐳ31⚓

4”ᡈ“ü”஺15.2021ḕ•ᔊ⚪ᡠḄᱥᳮ!"⊡ᐰ%&ᜐḄᑁ)*+1ஹ+3.%/◤12ᱥᳮ34஺物r—►
ஹ☢ஹᵯஹ+1—.4ᱥḄឋ理量
ஹ4R+2—Ḅᱯឋ
ஹ+3.4᠒ᨵᐵ—►+1+216.+202:ḕ•ᔊ⚪ᙠ<ᴻ>ᑁ?ᐭAB>CDEF>EᒹHIJKᛛᧇNOPQ>RSᓝUCDVWᓣYZ[ᵨ]^_DRᑁ`aᜧJKᛛᧇḄcᵨ[஺᝞eᣚᡂhijklᓣVmn[ophḄ______ᜧ஺17.+202:ḕ•ᔊ⚪᝞stup0.1vḄw]xᩈᙽ{ᙠh|}☢ᩈᙽWp0.5x1஺3᝞/3,ᩈᙽpkg,}☢Ḅp7nPa.ᩈᙽᙠᜧp1.5NḄh|ᔣḄcᵨAᒴOQᑮ8ᡠ᥅p¡}☢Ḅ+1“£ᜧ”ஹ“£”ᡈ“m£”஺+g=10N஻g18.+2021•ḕ•ᔊ⚪ᑭᵨ᧕«i¬S2kl;123+1᝞s1,ᔣ%᧕«®ᐭ¯ᔾ±²³ᵨ∑µᙠᔾ±ᑁ¶ᐭ·¸¹º«x{ᙠ»h¼¬½ᑮ¸¹,Z[ᑭᵨ¾xḄᑴcÀ᧕VWÁ஺

52᝞s2,ᙠ᧕«{ᐭÂÃ᦬ÅḄÆᵨÇRÈÈᤅÊBᑖ̼¬½ᑮ«ÍÎÏ“ÐÑ”Z[%¾ḄhÒ¾ÓÔÕÏÖ஺3᝞s3,×᧕«ÍØÙᙊÛ᎔ÎÝᧇ{ᐭÞᨵ⏀áḄᙽῃᾦäåÈÈ᧳Q᧕«ºᵯèåÓÔᘤêêëÛᢥQᢥíîïᑮ«RðÎñÕZ2¡òó¸ôḄõ¡`öᓄ]øù஺19.2021•ḕ•ᔊ⚪2020ᡃ%¾ûüᜩᦪÿ293ᜩ
ᜧᱥḄᵯ᝞ᵬᡠ,Rᵯ,ᐸᩞᧇ“!"”ᡈ“%!"”&
ᵯ'R(ᱥ)ᓄ+,᝞-ᡠ஺ᱥ/ᜧ0
1⊤3ᦪ)ᜧ
5⊤6ᵬ7⊤
89:7ᵯ;<᳛“)ᜧ”“)>”ᡈ“?)”&஺20.202L@AḕCDE•ᔊHI⚪&ᑭᵨᛛᧇNOPᑴRS
TUḄVNOWᵨXYZḄ[NO65⌱ᵨ஺]ᡠ⌱NO^ᐭ`7
abcdᙠ`7
ᙠNOf᪗h`☢ḄjkAl]NO^ᐭ⏀n7
opcd
᪗hq☢ḄjkB,᝞ᡠ஺5NOcdᙠ`7W⏀n70rᑮḄdtᜧ>஺uv`ḄRpi=1.0g/cm3,⏀nḄRP2=0.8g/cm3,wNOcdᙠRp3=0.9g/cm3Ḅq"7
ᑣq☢y6Ḅjkpbz"C”ᡈ&஺21.2021♦@AḕCDE•ᔊHI⚪&᝞
{h☟}ᙠ~☢fḄᩈᙽᡠrtWtḄ஺6⚓
ᐳ31⚓

622.2021•@AḕCDE•ᔊHI⚪&᝞
{hᱥ"ABᙠ☢7Ḅ஺B23.202@AḕCDE•ᔊHI⚪&᝞
᪗hᵯ,W☟}ὅ>┐ḄN᩽஺L,l-ll-l------1I~~»■24.2021•@AḕCDE•ᔊHI⚪&᝞ᡠ
ᵨ]400NḄᱥᒴ2mᵨ08s,ᡠᵨtF250M¡

7(1)Ḅ¢£ᦔ᳛;(2)t¦Ḅ<᳛஺25.(2021•@AḕCDE•ᔊHI⚪)᝞ᡠ¨©ªᐝ¬ᵯ
ᵯᵯ®ឤ6ᓃ¬±᪗ᨵ“2.5V0.5A”³᪵(¬¶'?))
·)ᘤ᪗ᨵ“2001A"³᪵஺(1)¬±¹º»ᐝ0Ḅᵯ<᳛l(2)¬±¹º»ᐝ0·)ᘤ¼ᐭᵯḄ'l(3)5ᵯ½Szᔲᨵ¿◍Á᝞ᨵ
ÂÃhÄÅÆÇ஺8⚓
ᐳ31⚓

826.(2021•@AḕCDE•ᔊHI⚪)"ÍÎᢈ7ᗐᵨᱥᳮÒBḄ
”-ᐰÖᳮ
y×ØÙÙḼÅÛ{ᵨ஺(1)Ü⍝Îᢈ7
ÞßὅᎷá⌕ãyäᤶᔣçè
yäÄéXêᢝ⊝
íãî"ᔣïð
ᵫòo⌕ᔣïóôõ஺71·
íöÞßὅ÷øᤶᔣïè஺iLny(2)ý9þᤶÿ᝞ᡠὅAᑭᵨῪ8⚔ᙢBḄ஺ᙠ"#$%FḄ%/,)A*+᧕8ᤶ᎔Ḅ/01o27.(2021.:;ḕ=>?•ᔊBC⚪)ᙠ“GHIḄJK”MNᔆஹ(1)MNQRSTUᙽWXYZ[ᜧḄᙊ^_`aᵬஹᳮᵫ1஺!_=(2)ᙠXY"᎔ᐭi8(TCḄIRlTIḄmnop஺IJKqᢝstuvᑖxyzs{n|}~஺(3)᝞ᡠIJKqᵬ⏀zsGHzstuGHXY"ḄI"ḄI஺ḄḄ1«28.(2021•:;ḕ=>?•ᔊBC⚪)ᙠ“ᵯᵯḄᐵ”MN"ᘤᩞᨵᵯ(6V)ஹᵯ(0-9999஺)ஹ¡¢ᘤ(20஺14)ஹᵯ¤⊤ஹᵯ⊤ஹ¦ᐵ§¨©ª஺(1)ᵨ«¬¨®§¨Mᱥᵯ°±²³᦮ᱏᔣ·¡ᵯ¸¹஺

9(2)ºU»ᦪ½Ḅ{¾¿À"ᨵÁᑡÃÄÅÆḄÇÈ1oজÊᢝ¦ᐵ˦±²Mᱥᵯ°ঝÍÎᵯ°ÏÐqÑᔠ¦ᐵঞÔ$ᵯ⊤Ḅᦪ˦¦ᐵট¡¢ᘤḄÖ×ᱏØÙÚᨬᜧᜐঠÞ¡ᵯḄßàáḄÚâ20஺ã⁚¡¢ᘤḄᱏᵯ¤⊤Ḅᦪâ4V(3)ᵯãᑮ15஺Ñᔠ¦ᐵ}~ᵯ⊤ᦪ᝞2ᡠᦪâA,çᵯÚè150ᵯÚ______(é“*”ᡈ“ë*”)#âºì»ᦪ½íîᙠ⊤ï")ᵯ¤⊤ᦪâ0,ð*}ñḄᦑó1஺29.(202ô:;ḕ=>?•ᔊBC⚪)“Uõö÷*øõᙢùúᩭ”¹üTýᑮþöḄᨔ
᝞ᱥ
Ḅ᝛⚪!ᐶ#஺ᵬ(1)✌ᐜᵨ+,ᐝ.A᯿1᝞2ᵬᡠ5ᐝ6789:ᨬ<ᨬ=ḄᐝᦿᑣḄᯖA/=cm.(2)ᯠG〉I᦮AKᐝ6ḄLMNO∑QRQᯚᙠᐝ67ᡂᨎḄW᝞2Xᡠ5YZḼ᝛\Aᣚ^ᯖA_ᜧḄ8,cdᢝLMfNO∑QRQᯚᙠᐝ67ghᡂᨎḄW᝞2iᡠ5஺jk

10AÄᫀoᵨ:ᵯᐜGÏh®¯Ḅ¸Ð»஺8ÄᫀoÑÏ:Ḅᵯq®¯Ḅ¸Ð»஺<=Ò^AÄᫀj,Óp³q⌕ÕÖঝoÙÒ^BÄᫀᔲj,cÜᳮᵫঞ஺(3)ᢥ᯿.ÃḄÄᫀ²,p³ᦪâ᝞ã⊤oᵯᔾᦈḄp³Ḅ®ḄæçḄéç´ὑḄᵯᵯᓄḄª᳛¯/Xhᦪ¯"g/࠷/࠷/X1057ᦔ᳛஻/%/W10571800125993.7313.10883.328000.625.599.52.2851.86581.638000.325991.1710.93279.641000124993.6043.15087.451200124.5993.3543.12993.3Ì1ஹ2ஹ3õᦪâ⊤oᵯḄª᳛Ḅ®¯öᜧᵯᓄᦔ᳛öÌ1ஹ4ஹ5õᦪâ⊤o஺(4)÷ᔠù7÷úûÙᵯḄRᵨ¥8§üýoo31.(2021•ḕ•ᔊ⚪)▅
ᦻ⚪஺ᵯᓭḕḕᓭᜐḄ!"#$%&'()*1600.ᓟ01ᐰᳫ45⚜7897ᨴ1<=✌ᢇ(@Aᵯ202297ᨴCDᐰE(@Aᵯ஺FᡂHᵯ9ᙳAᵯ*JK6x101஺ᓟ0MᙠOPQRᵯSTUᵨᵯ◤XḄYZ[ᵯ\9J⁚^᪗`᯼^2x107ᔴcd᣸f5gᓄi^5160.ᔴ஺kᡃmiKnஹipq᪗CDkrstEuACD“tᵯw〈”zᐹᨵ}~Ḅ஺(1)ᵯpḄAᵯ(@ᓄḄ'ᑭᵨᳮḄ஺(2)ᜧ%[ḄᜧEᡠ¡¢£¤¥«(3)SAᵯ¨ᵨ©ª2.9xl07஻kgḄ᪗`᯼±²ᐸAᵯᦔ᳛஺(4)·ᵯ¸ᵯḄ¹᳛6.6X1஺5»¼½ᵨ1100kVᱯÀ£¸ᵯᑣ¸ᵯᵯ#______Ao(5)ᜧÅFᡂÆÇᔣ%ÉÊËÌ᪵Î7ḄqḄo

11412⚓ᐳ31⚓

12ᫀÒ᪆1.ூᫀ௃BூÖ×Ø௃ÙÚḄÛÜᩩÞஹÙÚḄßàஹáÚḄâãäஹÚ⁐ூÒ᪆௃ÒæAஹÙÚḄÛÜ◤⌕èéÙÚêᙠëìpÛÜᦑ4┯ïBஹÙÚᵫᱥ¢òóßàḄᦑBôõCஹ“öÙ÷ø”ᢣḄúûÙÚḄüýᦑC┯ï஺ஹᑖÿᴋᴌᴊḄ⌕☠⁐ᦑ஺┯஺ᦑ⌱B஺ᑭᵨᑡᑖ᪆ᑨ(1)ᵫᱥ"Ḅ#$%&Ḅ'(2)Ḅ()◤⌕+,-./0ᙠ2"3()4/0ᙠ5"6"3()789ᙠ:;3()'(3)<=ᢣḄ?@ᓽᡃCDEḄḄᜧ'GᢣḄHI-JK#$Ḅ⚣᳛ᨵᐵ'⁐ḄP,Jᱯ⁐-JR"ᨵᐵ8SḄR"⁐TU8S஺V⚪ὃYZḄ%&ஹ()0\Gஹ<=⁐Ḅ]^_`aẠ⚪c஺2.ூfᫀ௃Aூi௃jklkஹ,mḄnoஹp=ஹq=ூr᪆௃rAஹstDuvḄq=wx5km//i=5xy1.4m/s,ᦑAyᔠ{3.6▭'BஹT}3~&Ḅ,mwx50᝖ᦑB8yᔠ{▭'Cஹs—〉Ḅ᛻p=ᙠ25ᦑC8yᔠ{▭'DஹᵯḄᵯ220ᓃᦑ஺8yᔠ{▭஺ᦑ⌱Ao✌ᐜ⚪c3\Ḅᱥᳮmᨵ}uḄZr`⌱⚗3Ḅᓫ/᪷◤⌕vḄᣚᡈ¡ᣚ᣸◀J&¤{▭¥¦§Ḅ⌱⚗¨©yᔠ&¤{▭Ḅfᫀ஺ª⚪ὃY&¤3D«ᱥᳮmḄno¬ᔠ&¤ḄZrᱥᳮᓫḄ¨©yᔠ{▭Ḅ⌱⚗ᓽ/஺

133.ூfᫀ௃Dூi௃6ᓄ¯°ூr᪆௃r“²2”6᝱µ¶“²2”;23Ḅµ·2⍗¹6ᓄº»¼ᡂḄᦑ¾t¿A8C┯஺ᦑ⌱஺஺9ᑨ©6ᓄ¯°⌕⍝“²2”6᝱µ¶஺“²2”Ḅ¼ᡂ6ᓄ¯°஺Á“²2"ஹ“Ã"Ä᧕┯x2᝱஺Æ{ÇᵫÈÈḄµ¶Éᡂ஺4.ூfᫀ௃Cூi௃ᐝḄË̯°ூr᪆௃rsÍÎ_`ÎÏÎÏḄ¼ᡂEÐᐝᙠSÑஹᙳᒴஹÔÐ+,3ÕÖk()Ḅᵫ`ᐝḄÖk()×ᱥ"ᢱÙÚᱥ"Ú☢ÜÝᕈ¯©▢Î]àÜÎÏᦑA┯஺8ஹáµ3âÇËÌḄᐝáµ3ãÌᐭ;23åR&ᢚÌᢚÌᐝk§çèkés⌮ḼᢚÌᐝkḄìᔣîåîᑮḄâḄðÁñ{▭òóHᡠ0ᢚZᦑ8┯'Cஹõ☟µ☢ÇᛞḄ᎔Î_`õ☢ùᡂÁᵫ`ᐝḄË̼ᡂḄᦑCt¿'஺ஹúûùᑖr²ᐝ_`ᐝḄ⁐ᦣ¯°ᐸþᳮᐝḄᢚÌᦑ஺┯஺ᦑ⌱Co(1)ᐝᙠSÑஹᙳᒴஹÔÐ+,3ÕÖk()%&Ḅ¯°ᨵÿᡂ
ஹḄᡂஹᨴ(2)ᐝᑮḄ⊤☢ᐝḄ!᝞#☢$%ᱥ'Ḅ᎔ஹ)☢*ᡂ
ஹ+ᴻᐝ-ᱥ'ᐝ./ᐝḄᡂḄ(3)ᐝᙠ12ᙳᒴ5ᡈὅ89:ᐭ<9=$ᐝḄᢚ!᝞#?@ABஹ#5CADஹEF⇿HஹIJ*ᡂ
./ᐝḄᢚᡂḄ஺L⚪NOPQRS5ḄὃUVWᐝḄᢚஹᐝḄXYஹᐝḄḄᳮ[ᙠ\]O^5⌕ᗐaᑭᵨᡠ\ef[gᨵᐵ஺5.ூmᫀ௃Cp14⚓ᐳ31⚓

14ூefs௃ᱥ'Ḅt⁐ஹvwxwḄyᓄஹ*☢{ஹᑖ}Ḅ~ᵨூ[᪆௃[Aஹᵫaᑖᙠ2vḄ✏ᕡᑖvᑮ5ᐭḄᙠᜐ=ᑮV✏ᕡᦑA┯8ஹᑮ/Vᐝᦑ8┯Cஹ#8ᜐḄO^5xwyᓄvwᦑC஺ஹ¡¢/£I2)Ḅ)¤ᐝYᐭᑮ¥¦Ḅ§¢ᐝYᔣ©☢ª«ᐭ21«ᔣḄḄ¬21«ᔣḄ.wᑮLᐝᙠ¡¢{ᦑ஺┯஺ᦑ⌱Co(1)᪷°ᑖḄ±²ឋᑖ᪆஺ᑖ/᪀ᡂᱥḄ9µ¶Ḅ'·¸¹ᑖᙠ2vᑖ}ᨵ9ºḄ}◞஺¼ᡃ¾ᑮ✏ᕡ¿⌕/ᑖv(2)2JÀᱥ'Ḅt⁐ᵫ¶Ḅ⁐ᐝᡠÁºÂJÀᱥ'Ḅt⁐ᵫJO¶Ḅ⁐ᐝḄt⁐ᡠÁº(3)ᱥ'8ᜐÃxwĹஹvwÅᜧxwyᓄvw(4)9Ç)¤ᐝᔣᱥ'Ḅ¥¦⊤☢ÈÉᐝY2Ê)¤Â/ᔣᔜQ«ᔣÌÍÎ{²⚪ὃUᑖvஹᱥ'Ḅt⁐ஹwÏḄyᓄÐÑᐝḄ/9⍝Óᔠ⚪஺6.ூmᫀ௃Dூefs௃ᱥ'Õᵯஹ᥅ØÙᵯஹᵯÚÛஹÚឋஹÚ'ஹÚ᩽ஹÚᓄூ[᪆௃[Ýᳫᙠᜮ᥅ØÉᳫᵫa᥅ØÕVᵯ₹Õᵯ'wáᔾãä¹Ḅᱥ'ᡠÐÝᳫᙠᜮ᥅ØÉ☠æçäḄèéêêëᔾãìvÙᩭᦑ஺îᔠ⚪ï஺ᦑ⌱D஺ᵨ᥅ØḄ«ðñÐᱥ'ÕᵯÕᵯ'ᐹᨵᔾãä¹ᱥ'Ḅឋ஺²⚪ὃUVᱥ'ÕᵯḄófᳮ[ôõ±Ạef/ᐵ÷஺7.ூmᫀ௃Aூefs௃᥅Øூ[᪆௃[ø¤ùúû5üᨵìý/NOA-vìvᩭĹ᥅ØᦑAîᔠ⚪ï3ஹþ■ᕒᓽᑮᙢ☢ᩚᙠ☢ᜧᩭ

15ᜧ᥅ᦑB"ᔠ⚪%&Cஹ()*+,-ᨵ/0"1Ḅ34ᙠᜧ☢Ḅᩭᜧ᥅ᦑC"ᔠ⚪%&஺ஹ6ᳫ89ᕒᡚ■<ᝅᙠᜧ☢Ḅᩭᜧ᥅ᦑD"ᔠ⚪%஺ᦑ⌱?Ao(1)ᜧ᥅Ḅ@A?ᙠ☢ᜧ&ᙠᜧ☢Ḅ&ᵨC᥅DEFC᥅஺(2)GH᥅Ḅ@A?ᙠ☢GH&ᙠGH☢Ḅ&I☢ῃK&ᵨFC᥅DEC᥅஺L⚪ὃN᥅ᜧHḄOPQRSTᜧUGH᥅Ḅ@A᥅V⚪ᙠWXYZᵨ[\]^_`a⚪bV⚪⌕ᑭᵨeᑴghAẆj஺8.ூ`ᫀ௃Cூopq௃ᰚᓄḄtuTᐸᔾxᱯqஹᰚᓄUz{ூ_᪆௃_?}~ASIᱥxᙳᒴQaᙠ“j∑Ḅᰚᓄᱯq”ḄYᵨ}~Ax&ᙠ“'Ớ┴’YḄᱥ᝱gᓄ”ḄYỚḄᰚq100(ᵨ}~AxIỚxWᓣ"ᑮᰚq"ᰚᓄ᪵eᑴIᦔ¢£¤¥஺¦,§ὅ©ªxᙳᒴ«ὅ©ªeᑴ஺ᦑ⌱?Co}~ASIᱥxᙳᒴ¬Iᵨ}~A“Ớ┴”x®ḄIỚḄ"ᐸᰚq஺o⍝}~A◀ªIᱥxᙳᒴ±ᜐ³ᨵ©ªeᑴỚᓣ´ᱯµZ¶qᐵ¸஺9.ூ`ᫀ௃Aூopq௃¹Ḅº»ஹூ_᪆௃_?“¼½¾”¿À)Á▮¿À«h◤Ä£©Åᑗ¿À)ḄÇ□ᵯÊËÌÇ□Íᓄ©ᵯÎOPᵯḄÍᓄUIᵨ¿ÀÏÐ"OPᵯḄÍᓄUIᵨᦑAÑᔠ⚪%஺Ò16⚓ᐳ31⚓

16ᦑ⌱?Ao¿À)Õ☠Ç□ᩭ×Ø஺L⚪ὃNªhḄÍᓄஹOPhÍᓄḄQRÙ"ᜧ஺10.ூ`ᫀ௃Bூopq௃ÜÝuᙠÞஹßὶᵯáYḄZᵨூ_᪆௃_?Aஹã/?2ḄᱏèᙠᓃêëìᔠíᐵSஹSïðñ&ḄᨬᜧôõÞὶᵯö⊤»ᵯáYḄᵯöᵯ⊤»ᵯøᵯᡠSᵯ⊤úᦪ©6ᓃÞὶᵯáýᵯôþᔜᑖᵯᵫᵯḄᵯ/=£=njᓝ2610.3/4,ᦑA┯;512+15/2BஹR?Ḅ#ᱏ%ᙠ6()*+ᔠ-ᐵSஹ523/?356Ḅᨬᜧ9:ὶᵯ<⊤>#?@ᘤB(Ḅᵯ<:ὶᵯCᵯDEᔜᑖᵯᵫᵯḄᵯ/'=H■=#?@ᘤB(Ḅᵯ<U=I/R=0.2/1x15/2=3V,ᦑBOPQ22CஹaḄ#ᱏPᙠ஺(#?@ᘤUᐭᵯḄᵯW0,*+ᔠSஹS23ᵯW/?3ḄYᓫᵯᵯ<⊤>#?@ᘤB(Ḅᵯ<ᡠ\ᵯ<⊤]ᦪW0,ᵯḄᵯ/3=_=`=0.44ᦑC┯QDஹR2Ḅ#ᱏPᙠ“(#?@ᘤUᐭᵯḄᵯW0,+ᔠSஹS1ஹS23d5ᓻfὶUᐭᵯᵯ⊤>ghḄᵯᵯ<⊤>#?@ᘤB(Ḅᵯ<ᡠ\ᵯ<⊤]ᦪW0,fὶᵯgᵯDEᔜiᵯᡠ\ᵯ⊤Ḅ]ᦪW/஺=_+:=*+m3n=1.64ᦑ£o┯஺ᦑ⌱B஺4ஹ/?2Ḅ#ᱏPᙠq()*+ᔠ-ᐵ5ஹSi3s56Ḅᨬᜧ9:ὶᵯ⊤>ᵯhḄᵯᵯ<⊤>ᵯtᵯ<᪷v:ὶᵯᵯwxᔠᵯḄᵯQBஹḄ#ᱏ%ᙠ6()*+ᔠ-ᐵSஹS235aḄᨬᜧ9:ὶᵯ<⊤>#?@ᘤB(Ḅᵯ<᪷v:ὶᵯᵯwxᔠᵯḄᵯy

17z{|}#?@ᘤB(Ḅᵯ#?@ᘤB(Ḅᵯ<᪷v|}ᵯḄᵯ;Dஹ&Ḅ#ᱏPᙠ஺(#?@ᘤUᐭᵯḄᵯW0,+ᔠ5ஹSiஹ523%5/?3fὶUᐭᵯᵯ⊤>ghḄᵯᵯ<⊤>#?@ᘤB(Ḅᵯ<᪷vfὶᵯᵯw|}ᵯ⊤Ḅ]ᦪ஺⚪ὃ:ὶᵯᱯஹfὶᵯᱯஹḄᮣᵨᑖᵯU⚪Ḅᐵ஺11.ூᫀ௃Cூ௃ஹᩨᩚḄᑖᵨூ᪆௃Aஹᑴ∑¡¢¢£3⌱ᵨ¤¥Ḅ∑¡¦§¨∑¡Ḅq©ᩭḄ«¬¦∑¡ᙠ®¯°±²³´ᦑA┯Q3ஹµ¶°±·∑¡¸¹᪷vᩨᩚḄ¯⊝ᩩ¼63∑¡½᧕¿ÀÁµᦑ8┯QCஹW■Ä∑¡᤮?ᜧÆÁµµ¶°±ᜐE∑¡ÈÉ∑¡Ḅ@Ê˴̤ÍᦑCOPQ஺ஹW■Ä∑¡᤮?ᜧÆÁµÎ∑¡B(ḄÈÏ☢ÑÒzÓÔ᪵¦ÖÊ∑¡Ḅ×ᜧ´Ìᦑ஺┯஺ᦑ⌱Co(1)(2)᪷vᩨᩚḄ¯⊝ᩩ¼ᑖ᪆Q(3)(4)¸Ê´Ì¸Í஺⚪ὃËᩨᩚ¯⊝ᩩ¼ḄᵨஹÛÍ´ÌḄÉÜÝÌÞᜧ஺12.ூᫀ௃Dூ௃ᵯß᳛Ḅ|}ஹᙠ:ஹfὶᵯhḄᵨூ᪆௃AB,#?@ᘤḄ#ᱏᙠᨬá(3#?@ᘤUᐭᵯḄᵯW0,63ᵯhḄᵯᨬᜧâIJ/ᜧ=(=*=1.24Q-ær(2#ᱏᙠᨬè(3#?@ᘤUᐭᵯḄᵯᨬᜧ63ᵯhḄᵯᨬ¨ᑣᨬ¨18⚓ᐳ31⚓

18ᵯW//ஹ=/^=Í%=03AQᵯhḄᵯᨬ¨ᑣR2B(Ḅᵯ<ᨬ¨ᐸᨬ¨ᵯ

1914.ூbᫀ௃☠ᜧg¯ᓄ±²ூXI௃*©³´*nḄᐵµஹ⊝h:·¸wᵨhḄ¹᪆ஹᜧgº»ூ\᪆¼\(1)½¾ᳫÀ¥fg*nᜧ³$6½¾ᳫ᜜ᜧg$½¾ᳫ᜜³ᜧ²ᑁ³ᡠ}½¾ᳫᔣ+¥☠,(2)ᵨÅÆᘤᔾÈÉÊ⏀Ì0✌ᐜÏÐ᣸9ÒᑁḄfgᓽÔÅÆᘤḄ¬ÕÖᑮᨬ×(Ø┐ÚᑁḄ³6²᜜ÛḄᜧg10ÉÊ⏀ÌᙠᜧgḄwᵨ×ÜᐭN┐Ú+,(3)Ý┐ÚÞᔣᔣ᜜ß#¬Õàáâã¬Õ´┐Úä᥅æçA┐ÚᑁèᓣêØ⏀Ìᵫë᝱$g᝱ᦑ10ë᝱⏀Ìíᜫ¯ᓄº»,(4)Ý┐ÚÞᔣᔣ᜜ß#¬Õàáâãïᢝ☟ò10¬Õᜐ²⊝ó᝱O¬Õ´┐Ú¥Ḅ᥅æ}ô¬Õõöᜧg÷¬ÕḄh´ßhà÷⊝høὅᜧ6·±஺ᦑbᫀ☠,ᜧg,¯ᓄ,±²஺(1)-ᔣ'ú½¾ᳫ+¥ᡭg0ᑖ᪆½¾ᳫ'Ḅfg*#n᪷7*©³ü*nḄᐵµᑨþ½¾ᳫ'Ḅ³ᜧ6ᐵµÿ
⍝ᳫḄ஺(2)ᜧḄᙠᨵ!ᐳឋ$%&'()*+,ᜓḄᑁ/01᜜3ᜧᙠ᜜3ᜧḄ4ᵨ678(9(3)ᱥ<ᵫ>᝱@A᝱BCᓄ9(4)ᜐ1G⊝I᝱ḄᱥJKᑮḄMNG⊝M஺O⚪ὃRSJTUSVḄᐵXஹᜧḄZᵨஹCᓄஹG⊝MḄ[\]^_ᑮḄ
`abᔠឋT஺d1SJTeSVḄᐵX⌕ᑖ᪆!ᱥJijḄSV@ᓄT@ᓄᑨlᱥJKMmnᑨl7ᱥJḄ஺15.ூsᫀ௃

20⚪ὃRdᱥᳮᭆḄᳮU1Ạ⚪஺16.ூsᫀ௃wூ
`a௃ᦋ@ᱥJᑁḄi()ூ᪆$(1)V¡¢£ᓝ¥¦§¨ᓣªNᵨw)*+§¢ᑁ«ᜧ9(2)ஹᛛᧇஹ®¡¯ஹ°±ஹᩈᜮ´ឋµNḄ{¶´J°±ᛛᧇḄ4ᵨN9(3)®Ḅᜧᙠ

21᪷@AḄBCᑖ᪆Ḅᓄ஺E⚪ὃHI&'()%()ḄJᵨஹ8/⊝ᩩNḄJᵨO'ᜧ஺18.ூᫀ௃SᓣUVWXYZ[\ூ]^௃ᓣZ%YZஹᦋᱥ1ᑁaḄbcd)ூe᪆௃e(1)ᙠᔾjᑁkᐭm?nopqr1sᙠU.trᑁu1UvVwxᑮopSᓣyzᑭᵨu1ḄUVWX|}ᑴ᧕'(2)r+|“”yzutḄ.uIWᡂḄ?ᨔzYZ|}(3)ᵯᡭ⏀u1᜜[\r+¡B¢⏀£¤ḄuḄᑁa¥ᓄrḄ¦§a¨©o¦Ḅ[\ª«a-¥ᓄd)m¬஺ᦑᫀ(1)SᓣUVWX(2)YZ(3)[\஺(1)᪷u1UVWXḄឋ,®¯ᑖ᪆(2)ᱥ,°u᝱²᝱zYZ|}(3)ᵯᡭ⏀u1vV[\³´+¡B¢µᑁa¥ᓄ³´Ḅ¦§aᙠ©o¦Ḅ[\ª«tu¶ᐵ¸¹ºᔣ¼½¾¿¿ḄuÀ¾¹º[\uḄᑁa¥ᓄ¹ºḄ¦§a஺E⚪ὃHUVWX|}ஹᱥ᝱ᓄஹwÁa-Ḅ¥ᓄÂ⚪Áᑁ¦ÃÄᳮÁÆ«Ç3ÈẠ⚪Ê஺19.ூᫀ௃ÌÍ1ᵯÎᜧூ]^௃ᵯÏᓄᑖ᪆ூe᪆௃euÐᵯÑRzᵫÌÍ1ᩞᧇᑴᡂḄᵫᵯÏÖRo¨©Øὶᵯ⊤ÛRbÜḄᵯᵯÎ⊤ÛᵯÏtḄᵯÎÝÞßᱥà'áᜧ᪷ÖâuÐᵯÑḄÑãä?åᵯÑä?ᵫæçèéᵯÏtḄᵯÎᜧᓽᵯÎ⊤ëᦪᜧuÐᵯÑḄÑãä?ᵫØὶᵯÏḄᑖíéuÐᵯÑRbÜḄᵯ?ᓽᵯ⊤ëᦪ?ᵫ⚪Þßᱥà'áᜧîÛï⊤ðᦪᜧᡠwîÛï⊤JᵯÎ⊤ᵯòᵯᵯÏtḄᵯÎᜧ᪷P=U/å\᳛ᜧ஺ᦑᫀÌÍ1ᵯÎᜧ஺uÐᵯÑzᵫÌÍ1ᩞᧇᑴᡂḄᵫᵯÏÖRo¨RØὶᵯ⊤ÛRbÜḄᵯᵯÎ⊤ÛᵯÏtḄᵯÎᵫÖ÷22⚓ᐳ31⚓

22âÝÞßᱥà'áᜧuÐᵯÑRḄÑãᓄ᪷æçèéᵯÏtᵯÎḄᓄᵫØὶᵯÏḄᑖíéᵯ⊤ëᦪḄᓄ¢úᔠ⚪üᑨþîÛï⊤zᵯÎ⊤ÿᵯ⊤᪷P=U/ᑨ᳛Ḅᓄ஺⚪ὃᵯḄ᝱ᑖ᪆!ᑮ#ὶᵯḄᱯ&ஹ()*Ḅ+ᵨஹᵯ᳛-.Ḅ+ᵨᵫ012345ᵯ6Ḅ6789:ᱥ<=Ḅᐵ?ᐵ@஺20.ூEᫀ௃HIJKLMNDூOP&௃ᱥQḄRSᩩU!+ᵨஹVWXYZᳮூ\᪆௃\]^IJḄ_`☠bIJḄcdefgᐭicjklKLmRᵨnopqḄHIJḄ_`ᙠIJḄnstuHIJgᐭicjHIJvKLmRᙠicHIJᙠicw⏀ycᜐ{mR|᝱}ᑮḄR~N{Ḅ_~ᡠR~MIJmRj⊤☢}ᑮḄ~N{R~R~Mᑣ~MIḄ☢5,ᑣUi=SHV᣸(=S/i᪷VWXYZᳮOp)gSH=pgSh,ᡠ=~wPᦪᡠlfi==ᑖᙳᒴḄQḄ=7ᜧM¢=£¤dḄ¥¦§ᡠIJmRᙠ=P3=0.9g/c/n3ḄQc☢+Ḅefv஺&஺ᦑEᫀ]HIJKLMND.᪷^IJwHIJḄ_`ᑖ᪆ᱥQmRjR~N{_~IJmRj⊤☢}ᑮḄ~N{R~R~M᪷VWXYZᳮ-.23Q=8IJ=Ḅᐵ?.,᪷ᐵ?.ᑖ᪆+Ḅef஺=ᱥQḄSRᩩUḄ¯▭+ᵨ⌕²ᔠVWXYZᳮwSRᩩUᑖ᪆ᨵᐵµ⚪]gᐭḄQQ=ᜧ᣸·Q§ᨵnḄ¸=஺21.ூEᫀ௃\]º☢ᱥQ»~¼ᢝ~_~w¼ᢝ~Ḅ¾ᵨ&¿ᙠᱥQḄ_`À_~ḄÁᔣKLᔣ¼ᢝ~ḄÁᔣ8º☢ᚖLᚖLº☢ᔣÀ᝞0ᡠÅ]G

23ூOP&௃_~ḄÅÇ0ூ\᪆௃_~ḄÁᔣKLᔣḄ¾ᵨ&ᙠ_`Àº☢ᱥQ»~¼ᢝ~º☢ᱥQḄ¼ᢝ~wᱥQº☢Ḅ~nMȾᵨ~ÁᔣMḄ]~ḄÁᔣᚖL{º☢ᔣḄ¼ᢝ~ÉᚖL{º☢ᔣÀḄ¾ᵨ&ᙠᱥQḄ_`À஺Êὃ~ḄÅÇ0Ḅ¿lËÇ_~ḄÁᔣKLᔣḄ»~ḄÁᔣ8º☢ᚖLÌ»~§{_~஺22.ூEᫀ௃\]ᐜ᪷18ᱥᐵ{Î☢Ïо3s&AஹBᙠÎ☢ÏcḄ1&4ஹB',ᵨÑ£ÒÓAஹB'ᓽᱥQABᙠÎ☢ÏcᡠᡂḄ1᝞0ᡠÅ]ூOP&௃Î☢Ïᡂ1ḄMᐵ¾0ூ\᪆௃Î☢Ïᡂ1Ḅᱯ&]1ஹᱥᜧ§MNஹÒ£8Ï☢ᚖLஹᑮÎ☢ÏḄ¥¦MNஹÖ×Èᣚᓽ1ᱥᐵ{Î☢ÏÐᑭᵨÚÛᐵ?¾3ᱥQABḄ1஺⚪ὃ᝞ܾ3ᱥQᙠÎ☢ÏcḄ1ᙠ¾3ᱥQᙠÎ☢ÏcᡠᡂḄ1jËÇᐜ¾3s&ᡈᐵ@&Ḅ1&ᵨÑ£ÒÓÉv2ᑮᱥQᙠÎ☢ÏcḄ1n⌕ÞßÚàᢈâ஺23.ூEᫀ௃\]ãOᵯä×så᩽ᵫçèᑣOé£ḄÖsN᩽×sS᩽t§ê┐☟íj᪷îê᩽MÈ᣸ïðîê᩽MÈᔾòO§ê┐Ḅ×sN᩽ÖsS᩽᝞0ᡠ]ூOP&௃×óéôᑣூ\᪆௃᪷çèᑣõé£ḄNஹS᩽ᯠ÷ᑭᵨê᩽dḄ¾ᵨø*õ§ê┐ḄMS᩽஺⚪ὃ×óéôᑣ!ê᩽dḄMȾᵨ⌕ùúûvüý+ᵨ×óéôᑣᑨþêÿ24⚓
ᐳ31⚓

24᩽ᡈᵯᔣ஺24.ூᫀ௃(1)ᨵᵨ:.ᨵᵨ1=Gh=400/Vx2m=800/"ᵫ$%
n=2,()*+,Ḅ./s=2h=2x2m=4m,()0Ḅ12=Fs=250/Vx4m=1000;"567Ḅ89ᦔ᳛4=}x100%=>x100%=80%"Vv1UUUJ(2)()0Ḅ᳛P=?=ᗸ^=125E஺(1)567Ḅ89ᦔ᳛F80%"(2)()GḄ᳛F125W஺ூ%IJ௃᳛ḄKLஹ567Ḅ89ᦔ᳛ூ᪆௃(1)ᑭᵨE=GhR()0Ḅᨵᵨ
ᵫ$%
STᱥVḄWXYᦪn=2,()*+,./s=2h,ᑭᵨ\᝼=^_R`2
ᦔ᳛abR,56Ḅ89ᦔ᳛"(2)%⍝0de
ᑭᵨP=7R()0Ḅ᳛஺g⚪ὃjklᵨ567ᨵᵨஹ2ஹ᳛ஹ89ᦔ᳛ḄKL
ᐵnoabḄᮣqrᵨ஺25.ூᫀ௃(1)stuvwᐝdḄᵯyF2.5V,ᵯF0.5)
ᑣ{d|st}ὑḄᵯ᳛2=UI=2.5Vx0.5/1=1.25V/"LL(2)᪷ὶᵯḄᵯyᐵ_%
5,ᘤ*ḄᵯyFU'=U-U=6V-L2.5V=3.5IZ"5,ᘤᐭᵯḄᵯF/?'==᝼=7஺"(3)ᵯᵯy6VᜧstḄᵯy
ᵫᵬᵯ$_%
5,ᘤᐭᵯḄᵯ|d
⌼ᡂst*Ḅᵯyᜧ|st"F5ᱏ¡¢ᵫ+,
£|st¤ᐰ¦§
5,ᘤᐭᵯḄᵯF¨d
struvwᐝ
ᵯrὶᐭ©ª70ḄᵯA஺஺(1)stuvwᐝdḄᵯ᳛F1.25W"(2)stuvwᐝd5,ᘤᐭᵯḄ¬F70"(3)ᵯ®Kᨵ¯◍
5,ᘤᐭᵯḄᵯ|d
⌼ᡂst*Ḅᵯyᜧ|st"±²³ᵯὶᐭ©ª70Ḅᵯ

25ூ%IJ௃ᵯ᳛ḄKLஹ´µ¶ᙠஹ¸ὶᵯḄrᵨூ᪆௃(1)ᵯy¹stuvwᐝ
᪷P=u/R»|stuvwᐝd}ὑḄᵯ᳛"(2)᪷stḄᵯy¼ᵯᵯyR»5,ᘤ*Ḅᵯy
᪷´µ¶R»5,ᘤᐭᵯḄᵯ"(3)ᵯḄᵯyᜧstḄᵯy
ᵫᵬᵯ$_%
5,ᘤᐭᵯḄᵯ|d⌼ᡂst*Ḅᵯyᜧ|st"F5ᱏ¡¢ᵫ+,
£|st¤ᐰ¦§
ᙠᵯrὶ©ªᵯ½஺g⚪ὃjkὶᵯḄᱯJ¼´µ¶ஹᵯ᳛abḄrᵨ¿Àᵯ®KḄÁÂ
⌕ÄÅstuvwᐝdḄᵯy¼ᵯyÆÇ஺26.ூᫀ௃Èឋ,)Êᜧ)Êூ%IJ௃ᩨᩚ)ÊḄͳஹᩨᩚḄᑖÏÀrᵨூ᪆௃(1)ÐÑὅᎷÔ⌕ÕÖᤶᔣØ
ÖFkÙᢝÛ⊝
ÝÕÞßᔣàá
ᑣÖᵫÈឋâ⌕ᔣàã,
ÝäÐÑὅåæᤶᔣà஺(2)ᵫ$%
AçBᤶ᎔d_çBê0©ªᩨᩚ
஺FëJ
)FBḄV)
9:Fo,)
ìᔣíîFÍ»)Ḅ§ᵨð
ñ஺Jᔣ()GḄ§ᵨð§ᚖðó
ᓽFᐸ)Ê/,᝞$ᡠøᵫ$%
,)FḄ)Êᜧ)GḄ)Ê
ᑣ8Æ©ªḕ)ᩨᩚ
ᡠ¿A¡ú᧕çBᤶ᎔஺ᦑᫀF(1)Èឋ"(2)ýþ$",)Êᜧ)Ê஺(1)Èឋoᱥßÿᢝ
ᩭ᝱Ḅឋ(2)ᑮḄᵨḄᵫ!Ḅ"26⚓ᐳ31⚓

26ᵫ&'A)8ᤶ᎔-.)8/012ᩨᩚ஺6768Ḅ8/ᑖ᪆<Ḅᐵ>?@ABᩨᩚCD.'AEF᧕)Bᤶ᎔Ḅ
I஺J⚪ὃMNOឋḄPᵨஹḄ&RSᩨᩚCDḄᑨUVWᱥᳮ'ZᙠV\]^ḄPᵨ1⍝`⚪஺27.ூdᫀ௃ᵬhijklḄmnopqrsᴻuvᑮwxyz{|}~Ḅ-pqᢝ-ᔲ◤⌕ᢝᔾ}ூ'Z௃-pqᓄḄᱯூ᪆௃1hijᙠkmᐭpqrpqrḄsᴻunᑮwxy?@¡pq¢Aᦑklᔠ〉Ḅᵬij2¦§Ḅ¨p?@z{N|}~Ḅ-ᢝ|}©ªpn«Wpqᢝ3ᵬij®⏀°±²³ᢝᔾ}´µ@hijª|}wx^Ḅᢝᔾ}Eª¶·¸ᑁḄpqº»¼wxᑁḄpq½i¾ᨵpqÀ²³}Á⌴I·¸ᑁḄ²³ᢝᔾ}ᦑIÃÄḄÅḄÆ-ᔲ◤⌕ᢝᔾ}஺ᦑdᫀ61ᵬhijklḄmnopqrsᴻuvᑮwxy2z{|}~Ḅ-pqᢝ3-ᔲ◤⌕ᢝᔾ}1pqrᙠÇᵨ-sᴻuEvwxÈɼyÊᑨUËmḄᔠ〉ÌÍ2z{|}~Ḅ-¦§Ḅ¨pஹwx|Îஹ〉ÏÐÑḄ¡ª|}᪷Êᱯᑖ᪆/ᑮḄWÓ3ÔÕ<2ÖÍ«Wᨵ2Ö;ᨵ|}@×12Öͪ|}ØḄᩩÚᢝᔾ}஺J⚪ὃMḄ8ὃMjÛܼᑖ᪆ஹÝᔠḄE஺28.ூdᫀ௃জটঝঠঞ0.24Eᵯ7æ{çூ'Z௃ᵯèéᵯêஹᵯ7Ḅᐵ>ூ᪆௃1⌕Çëᱏᔣî-ᵯ7ÐË◤)ë7ᘤḄîðñòᐭᵯçÇᵯ7æéë7ᘤóὶ᝞ð&ᡠ÷

27(2)ᵯèéᵯ7ᐵ>-◤ᢝBøᵯ7<ùᵯêᑣ"1ûᦪÊḄ¡ýþ^ÿḄ᝞জᢝᐵᱥᵯটᘤḄᱏᨬᜧᜐঝ%&ᵯ'()*ᔠᐵঠ-ᵯ.Ḅ/012Ḅ320஺5⁚ᘤḄᱏ1ᵯ7⊤Ḅ9ᦪ34Vঞ<=ᵯ>⊤Ḅ9ᦪᐵᦑজটঝঠঞ@(3)ᵫB2CDᵯ>⊤EF30G0.64,ᑖI30.024,9ᦪ30.244@JKᵯ>LᵯᐵMN◤ᢝPᵯQRᵯ7STᵯ.5ᑮ150,*ᔠᐵ)ᵯ.QRᵯ7SV4ᓃXYYN<=Ḅᵯ>⊤9ᦪZᵯS[\3]^_ᦪ`@ᵯ>⊤ᨵ9ᦪbcᵯ3dᵯ7⊤'9ᦪbcᵯ7⊤efᓽᵯ.f஺ᦑhᫀ3(1)᝞kBᡠ9@(2)জটঝঠঞ@(3)0.24@S[@ᵯ.f஺(1)᪷`ᱏᔣopNᵯqrPᘤᱏᐭᵯḄtuvᘤLᵯ.wὶ@(2)JKᵯ>LᵯᐵMN◤ᢝPᵯQRᵯ7S@ᯠ)zᔠᵯḄ{|}⚗᣸ᑡ=(3)᪷`ᵯ>⊤ḄEFஹᑖIᢣ┐Ḅ<=ᵯ>⊤Ḅ9ᦪ@JKᵯ>LᵯᐵMN◤ᢝPᵯQRᵯ7SYN<=Ḅᦪ`◤⌕Ḅᦪ`@ᵯ>⊤ᨵ9ᦪbcᵯ3dᵯ7⊤'9ᦪbcᵯ7⊤ef`Yᑨ=ᦑḄᐹ஺⚪ὃ&JK“ᵯ>LᵯḄᐵM”ḄᵯḄஹ{|}⚗ஹᵯ>⊤<ᦪZᦑᑖ᪆VDᔠឋ஺]28⚓ᐳ31⚓

2829.ூhᫀ௃10.0ᐝ¨ᑮ©ª«ᱥ¬L©ª«ᯖ¬ḄᐵMfூD௃®ᱥ¯ᳮஹJK©ª«ᡂ²Ḅ³´ூµ᪆௃µ(1)᝞Bᵬᡠ9·¸ᐝ¹©ª«᯿»ᐝ¨k=¼½¾ᨬrᨬ¿ḄᐝᦿÁᐝᦿ3©ª«ᯖᑣ©ª«Ḅᯖ¬/=20.0cm-10.0cm=10.0cm@(2)ᵫÅஹÆQBZ⚪|CDᐝ¨ᑮ©ª«Ḅ¬ÇᢝS©ª«Ḅᯖ¬ᦋN◤5᦮∑Ëᑮ©ª«Ḅ¬Ç[ᙠᐝ¨kÍÎ=¼ÏᨎḄ²஺ᡠrÑẆKḄÓ⚪T©ª«ᡂ²Nᢝᐝ¨ᑮ©ª«¬ÇSJKᱥ¬L©ª«ᯖ¬ḄᐵM஺(3)ÔḄÕÖᙠ×ÏØÙSÚᱥNÕᳫḄÜ)¬ÇSḄᓽ²¬SdÝᦋᨔßḄᯖ¬ᩭ¼ḄLká³´âÚ@ᵫÅஹÆQBZ⚪|CDᙠ²¬SN㩪«Ḅᯖ¬äᜧᑣᱥ¬åæäᜧ[ᙠᐝ¨kᡂÏᨎḄ²@ᵫYCDTÔÕçèÙᜐᱥN(ᱥ¬qr)ᑣᨔßḄᯖ¬æf஺ᦑhᫀ3(1)10.0;(2)ᐝ¨ᑮ©ª«@ᱥ¬L©ª«ᯖ¬ḄᐵM@(3)f•(1)Lëᐝì·¸Ḅᐝtí©ª«ᢚ»)ïð½Y3©ª«ᯖᯖᑮᐝñḄ¬Ç3ᯖ¬@(2)ᵫÅஹÆQBZ⚪|CDᐝ¨ᑮ©ª«Ḅ¬ÇᢝS©ª«Ḅᯖ¬ᦋN◤5᦮∑Ëᑮ©ª«Ḅ¬Ç[ᙠᐝ¨kÍÎ=¼ÏᨎḄ²`Yᑖ᪆rÑẆKḄÓ⚪@(3)ÔḄÕÖ×ÏᱥdÝᦋᨔßḄòßᩭ¼ḄᨔßâTᐰôᯖ«ᜮ஺ᵫÅஹÆQBZ⚪|CDᙠ²¬SN㩪«Ḅᯖ¬äᜧᑣᱥ¬åæäᜧ`Yµh஺⚪JK©ª«ᡂ²³´Ḅµ⚪Ḅᐵö᪷`ÅஹÆQB÷=“²¬SN,ᱥ¬L©ª«ᯖ¬ḄᐵM”஺30.ூhᫀ௃rcùḄúEZûüùýZùḄûüâÚSC¸þᨵ½ÿᵯ
⊤ḄᵯᑖὑḄᵯ
ḄᵯḄ᳛ᜧᵯᓄᦔ᳛!ᵨ᳛#ᜧḄᵯᡈᓫ&!ᵨ'#ᜧḄ()*ᵯᓄᦔ᳛ூ,-.௃0ᑴ2

29ூ4᪆௃46(1)89:;<ᐸ>ᵨᵯᘤ@Aᵯᑭᵨᵯ
⊤()CDᵯὑḄᵯ
EFᵯḄ᳛GHI᳛JKILJ
ᵨHI᳛MNḄOPQὑḄᵯ
ᡠ)STḄUVWXḄUE(2)YZᵯᵯᓄᦔ᳛MᵯḄ᳛ᨵᐵ]^_ᢝḄGabKI⌱ᵨ᳛JḄᵯdefgE(3)@ᨵKhᵯ
⊤ḄᵯᑖὑḄᵯ
ᡠ)BUᫀJ(eE(4)ᵫk1ஹ2ஹ3mᦪo(,ᵯḄ᳛Ḅᜧᵯᓄᦔ᳛Eᵫk1ஹ4ஹ5mᦪo(,ḄᵯḄ᳛ᜧᵯᓄᦔ᳛E(5)ᵫ(4)Ḅpq(,!ᵨ᳛#ᜧḄᵯᡈᓫ&!ᵨ'#ᜧḄ()*ᵯᓄᦔ᳛஺ᦑtᫀu6(1)WXE(2)জḄGabEঝGḄabEঞJ(e@ᨵKhᵯ
⊤ḄᵯᑖὑḄᵯ
E(3)EḄᵯḄ᳛ᜧᵯᓄᦔ᳛E(4)!ᵨ᳛#ᜧḄᵯᡈᓫ&!ᵨ'#ᜧḄ()*ᵯᓄᦔ᳛஺(1)ᵯ
⊤Vᵨᵯᘤὑᵯ
yzḄ{⊤EᵨᵯᘤS|Ḅ᳛GHI᳛L()ᑭᵨHI᳛MNḄOPQ}ὑḄᵯ
ᔲᑣJ(eE(2)YZᵯᵯᓄᦔ᳛MᵯḄ᳛ᨵᐵ]0ᑴᐸ>ᩩJ2ᦋ2ᵯḄᵯ᳛E(3)Ḅᵯ'JḄஹC9ᑭᵨKhᵯ
⊤ᑖᵯὑḄᵯ
E(4)᪷ok1ஹ2ஹ3mᦪoᑖ᪆ḄGᵯᓄᦔ᳛ᐵ᪷ok1ஹ4ஹ5mᦪoᑖ᪆ᵯḄ᳛Gᵯᓄᦔ᳛ᐵᯠᑭᵨ0ᑴ2}pqE(5)᪷o(4)ḄpqᵯḄ!ᵨ*஺⚪ὃ:YZᵯᵯᓄᦔ᳛Ḅfg,⍝ᵯ
⊤ḄᵨGᑭᵨ0ᑴ2Vᐵ⌕ᑖ᪆⊤ᦪo}pq
ᑭᵨpq4⚪ᨵKIḄ஺31.ூtᫀ௃¡¢ᵯᵯ£¤]Ḅ¥¦§¨Ḅ©'F©ᜧ2ᜧ37.24%600ªḄ¥«¬ᑮᜧ®¯°±²®³<´Ḅ¥«!ᜧ®µ'ᱞ·k30⚓ᐳ31⚓

30ூ,-.௃º³ᑁ¼¥¦Ḅᱯ.ஹ¾Ḅ¿Àூ4᪆௃46(1)ᵯÁḄÂᵯ¡Vá¢
ᓄuᵯ
ḄÄÅ>ᑭᵨ:ᵯ£¤]ÆᳮE(2)ᜧ®ÈÉÊᡂÌÍÎÏḄÆVḄ¥¦§¨©'F©ᜧÐÑḄ¨ÒÓÑᡠ)ᜧ®Ô¼ÕᑮḄ¥¦ÖᜧE(3)ᵫ⚪×,ᵯÁØÙ(⁚Û᪗Ý᯼Û2xIO7ᔴᑣ(,⁚ÛḄ᯼àᐰâãḄäQ=qm=2.9x107J/kgx2x107x103kg=5.8xIO17Eᵫ⚪,ᵯÁÙᙳÂᵯ(æ6xIOI஺ᓟèᑣW=6xIO10x3.6x106/=2.16x10177;ᑣ஻=£x100%=;<=;x100%=37.24%i(4)ᵫìíP=U/(}/=-==6004E(5)ðÈᜧ®()ªḄ¥«ᑖ¬ᑮᜧ®¯°±²®³<´Ḅ¥«!}ᜧ®µ'ᱞ·஺ᦑtᫀu6(1)¡¢EᵯEᵯ£¤]E(2)Ḅ¥¦§¨Ḅ©'F©ᜧE2ᜧ6(3)37.24%E(4)600E(5)ªḄ¥«¬ᑮᜧ®¯°±²®³<´Ḅ¥«!}ᜧ®µ'ᱞ·஺(1)Âᵯ¡VÃᐸñ
òᓄuᵯ
ḄÄÅÆᳮVᵯ£¤]E(2)º³Ḅ¥¦M¨ᨵᐵE(3)óôQ=qm(¿ÀᵯÁ⁚ÛḄ᯼àᐰâõãḄöóôᦔ᳛ìí??=(¿ÀÂᵯᦔ᳛E(4)ᵫìíP=U/(¿ÀøᵯᵯùE(5)ðÈᜧ®()ªḄ¥«ᑖ¬ᑮᜧ®¯°±²®³<´Ḅ¥«஺⚪ὃ:
òḄᓄMᑭᵨஹᵯ᳛ìíஹº³¥¦Ḅᱯ.L,-úVûẠᑁý,◤ὃ
஺