资源描述:
《高考电场大题》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。
1.2010•ᜩᑖ᪆ᢈᵨᔜ⚞ᵯḄ!"$%MஹN'(ᙽ*+,Ḅ+-./1%12'L,134ᑮ6Ḅ78'D,9D:ᜧL,'ᚖ=6Ḅ>?@A%BC8DEF8ᙠ1HI806Ḅ78J6>?'KLMNxOy=Oᙶ᪗R%ᐸ>x@*+Tᔣ%y@V=TᔣW1 XYZ['mஹᵯ₹['q0Ḅ]8J^_V%0ḄTᔣ`%Laᐭ%1HBcᵯdFedf%8ᡭᙠ6hLiᙠ(1HcY+yTᔣdj'EḄᒴjᵯd%l8aᑮ6hfI80LḄ78ymফᎷXpᑭᵨrstuv8%wx᯿Jz{|}~Cuv8Ḅ[ᦪh>%ᶇKᵯd%ᙠ1Hc,TᔣḄᒴjedᨵᵯ₹[Ḅ(]8ᡂḄ8%`LTᔣaᐭ%6h(ᩩAᙠ(Ahyᙶ᪗Ḅ(ZᐝL%Ḅxᙶ᪗ᑖ'3.24mmᑭ3.00mm,ᐸ>xᙶ᪗ᜧḄᐝL128>6Ḅ%•ᐝLuv8Ḅᐭa8^_Bᐰ%ᐭa^_¡ᜧ,9ᙠ1H¢£fTᔣḄᑖ^_¤:ᜧxTᔣFyTᔣḄᑖ^_2.2010•¥¦ᱥᳮ75ᑴᜓ«¬ↈ®Ḅ¯°ᵯ±²ᓄ'´µ>H7'dḄ(+-1%$ᵬᡠ!%cᙠ1AஹBHḄᵯ¸UAB°ᕜºឋ¼ᓄ%ᐸ]ᔣᵯ¸'U%½ᔣᵯ¸'-kU0W¾1 ,ᵯ¸¼ᓄḄᕜº'2r,$¿ᡠ!ᙠt=0fஹ1B▬ÁḄYZᵯ%['mஹᵯ₹['e,Âᵯd°ᵨᵫ☟ÅÆÇ¢£iZ¢£ÉÊ>%ᵯuËᑮ1A,9Bὃ⇋DE°ᵨ
11 i¾=*,ᵯᙠ0—2rfHᑁBÒᑮÓ1A,ldÔÕḄᩩÖm42 iᵯᙠ0—2rfHuËᑮ1B,l×¢£ÉÊ>ᵯ^_vØfHt¼ᓄḄᐵR;W3 iᵯᙠÛNZᕜºᑁḄÜÝ'Þ%lkḄß3.09•àá•25 18ᑖâ$ᵬᡠ!%MNOxyᙶ᪗R%(+-1PஹQᚖ=y@9ᐵx@ã%12_F1H7ᙳ'I,ÛYåæ▲ᨵed%Tᔣᚖ=Oxy+☢ᔣéÜ1¾êḄëìx@H3íîa['mஹᵯ['+qஹ^_ஹDEBCḄïᵯëᙠ0~3tfHᑁ(1Hch$¿ᡠ!Ḅᵯ¸WBὃ⇋ðñḄòóâôvt=0fõöᐭ(1HḄïᵯëាøᙠt°f%õù1ðñaᐭedhmஹqஹIஹIஹB'ôv[WBὃ⇋ëHúòóûüý1HḄþÿ 1 ᵯUḄᜧ2 ᐭḄᵯᙠᙊᕜḄ23 ḄᵯᙠḄᨬ!"#ᨬ!R?Im$%
24.09᪥( 23 $ᡠ+,ᒴ.ᵯ/ᔣ1x2Ḅ3/ᔣ,.4Eᙠ“/0 5ᨵ78☟:Ḅឋ<,ᵫ>ᑁ@Aᵨ,C7DEᯠᑖHᡂ8JKᙳ4Ḅᵯ<,ᐸᵯ₹K44Ḅ<11y2P/ᔣ,QR7SᑮU0,-d 5VWXYZᑖH[<ḄAᵨ\1 ᑖH8<ᔜ^Ḅ_`a2 b<1ᑮU0,-d 5,ᵯYc<1dḄed᳛;3 b<1ᑮU0,-d 5,<Ḅhi5..09•kl•21 $ᵬ,ᙠnoᙢ☢rst7uv4Ḅᐝxyz{☢,{☢ᜐ>ᵯ.`ᜧ4Eஹ/ᔣ1{☢ᔣ~Ḅᒴ.ᵯ7`ᦪ4kḄyzJḄ7stᙠ{☢,᪷ᜐ>^ᯠ7JK4mஹᵯK4qq>0 Ḅxᙽhir4Soᜐ☟:,xᙽᙠRᵯKᢝV,xᙽRᨵᜫ,ᜐᙠឋ▲`ᑁ,XY_`ᜧ4g•I,
3(1)xᙽ☟:ᑮreᡠQᔊḄtl(2)¨xᙽᙠ1{☢ᔣ~Ḅ8Rᨬᜧ_`ᜧ4Vm,xᙽ☟:ᑮ_`ᜧ4VmRḄYᡠḄdW;(3)xᙽ☟:eW,®ᙠ%$¯°xᙽᙠ1{☢ᔣ~Ḅ8R_`ᐵV-t$³$´ᙶ᪗2rḄt!.t¹tᑖº⊤+xᙽ¼7½rஹ23¼7½_`Uᑮᨬᜧ¾¹¼7½_`¿4ÀḄD,Áᙶ᪗2rḄV14xᙽᙠtiDḄ_`ᜧ,VmÃ⚪ᡠᢣḄᱥᳮK(È⚪V⌕ᑏ°WR)6.(09•ËÌ•23)$ᡠ+,Íh4dḄoÎÏÐAஹBÒÓÔ,ᙠÕnoÔ7yzoᨵ7JKmஹᵯ₹Kq(q>0)ḄᱥᙽᙠÏÐAÍhIᜐ☟:¨C7DᙠÏÐAஹB7ᵯ,ᱥᙽÏÐÛÜÝÞ7½ßà,ßà[ᵯ₹K4q,âãßäᜧÍåḄ_`æ/ᔣçèéᱥᙽyzoḄ᥅ëìí4î,¨VWᱥᙽᵯ₹KcᵯḄïðZßàᑣ(1)ᱥᙽÏÐAßàäeḄ_`ᜧÃòó"(2)ᱥᙽßà[QRòôõ:"õᙠöÔ"
47.2008r÷ᱥᳮ23.$ᡠ+4ẆùᵯúᵯᙠᵯḄûᓄýþ+ÿ .ᙠOxy☢ḄABCDᑁᙠᜧᙳEḄᒴᵯIH,ᵯḄᙳLḄᵯᡠ"#$%1ᙠ'ABḄ()ᜐᵫ☟-./ᵯ0ᵯ12ABCDḄ34.2ᙠᵯIᑁ〉634ᵫ☟-./ᵯᵯា89ABCD:;?:@ᵯIIBCᔣEFGL/nHIᵯ9ABCD:;53%Kᵯ9x,y%)./ᙠᵯI(QRᑮ}rᐭᵯH[P\]UGᙠy'ᜐ12ᵯIIWḄ2%(\ᯠ[ᵯPᒴRSTUGD)ᑣᨵeEx=—tnveEL,Lcit------,y—v-----mv”nv22ef=7?,ᓽᙠᵯIᑁuvwxḄ)ᓽᡠ0348.2008ᱥᳮ19%. a%ᡠᙠᐝC☢ḄABᑁᙠCᔣEḄᵯᵯEJW¡Ḅ¢ᓄ b%ᡠ.¥ᵯḄᳫP,☟-ᙠ0).t=0W,¥ᵯḄᳫPigRV9A)rᐭABJ[«¬®[¯°¯°Rᜧ2®±Ḅ²³PiḄLM´¥ᵯMq,P2ḄLMn%2=5mi,Aஹ0¡ºLo,0ஹB32¡º½¾¿=À,7=4.3m,3£v001%0®Ä[ᳫPiᔣ:UGḄᨬᜧº1Æᡠ◤W¡.2%ÈÉᳫ8ᔲᙠ0B¡ᑁË̬®Ä.%TB。r3T4T2T(6Tb)
69.2005•ᳮÐᓅÒ1124%.ÓÔ(ᙠÔ¡Öv×ᜧḄஹCᔣEḄᒴᵯᙠᵯ(>?²LMQஹ¥ᵯḄᳫᵫ☟-./UG(ᳫḄRØSᔣᜳ<37°Ûsin37°=0.6,cos37°=0.8%ß?'ᳫ9ᵯ(à)gáR%ØSᔣâ]V0UGx(1%ᳫ"ᑮḄᵯ$ḄᜧÆᔣã2%ᳫ9]V)äᨬ)Ḅᵯå8¢ᓄMã3%ᳫḄᨬGMḄᜧÆᔣ10.2005•ᳮÐᐰç11125%. 1(BᵯèᵯGå£=27V,ᑁéêëᵯé%=500Q,R2ᐝîᵯéCðñᵯòᘤôTᑮñº1ö÷ñ/,=8.0xl0-2m,ñḄ¡º4=1.0x10-2msúñᚖSᑮñḄº1l=0.16mP²ᙊýᵫþöÿஹᐝ᳛Ḅᡧaஹbc᪀ᡂ44'2ᐝᡧஹbஹc᯿!ᐝ"ᵯ$R2'RzḄ$)ᑖ+,1000Qஹ2000Qஹ4500ᨵ3ᵯ456789:;<2=8.0x106m/sEFGᙢ!ᐭCKLᵯ4ᵯMe=L6xlQRT9c,ᵯ4ᵯ4VMW=9x10-31kg\ᶍᐝḄ^<ஹᵯ_ᘤḄᐙᵯbᵯ'cdᵯ4ᡠfḄghᎷj᯿ᙠR2lḄᐝmnopᓄ'R2$)rᓽᨵtuḄᦋp
7(1)jᙊxᐝb᯿!ᑮR2lzᵯ4ᑮ{|Sl'}0~Ḅ}y(ᶇᨵᦔᦪ)(2)jxᢥ617ᜮᔣᒴ;33ᙌᐝ᯿ᙠaஹbᑖᜐ't=0,ᙠ62Ḅᙶ᪗lᵯ4ᑮ{|Sl'}0~Ḅ}y'ctḄpᓄ69(0-6sc)⌕zᙠyl᪗69ᨬ£~¤ᨬ¥~Ḅ)(⌕zᑏ§¨ᢥḄ69©ᑖ)11.(2005ª«ᱥᳮ•17)6ᡠ°MஹN,±ᙽ³´Mµ¶ᵯ₹Ḅ¸¹º»¼S2,¼l½¾Ḅ¿ÀN¼ÁÂᨵ±^<ᙳ,dḄᒴmÄÅÆÇÄÈum<ᜧ¿ᙳ,8,ᔣᑖ+ᚖËÌ☢ᔣᔣÏÄÅÆÇÁÂᨵ3₯ᐝ||l¤$ஹ$2ᐳ9Ḅ~,Ó~ᔣl,½ᔣÔrx.¼ÖÂᵯ4×n!ḄØᵯ4Ù¿À&Ûᐭ±¼cᵯ4ḄVM,Üᵯ₹M,e,Ý;<:\ᶍ.(1)±¼cᵯÞß,U'zà¿À&!Ḅᵯ4Ḅ;<ᙳ(2)z±º»¼cᵯÞßUᙠáâäᑁᵯ4æçÄÅÆÇèᡭᑮ₯ᐝ|l.
8বëᵯ4æìçÄÅÆÇèᡭᑮ₯ᐝ|lᙠí⚪ᓱḄ6lðឋᙢᵯ4òḄóô.ভzᵯ4ᡭᑮ₯ᐝ|lḄöᙶ᪗xº»¼cᵯÞßUḄ÷ᦪᐵù.ᦾᐝ|o12.ûüḕ□üûÿ 2010ᕜᡠᙠḼᵯE=2.5X102N/C,ᔣᔣḄᒴᵯ-L=0.5mḄ!"#$%&ᙠ(#$)Ḽ*+m=0.5kgஹᵯ₹+q=4X10-2cḄ.ᳫ01!"2ᑮ45678.ᳫᵫ☟;<=ᑣ.ᳫ?@Aᑮᨬ(.DEFGHgEOmK•J:1 .ᳫḄᵯឋM2 !"ᙠᨬ(NᑮḄ2GM3 O.ᳫPQ@Aᑮᨬ(R!"STᑣ!"STU.ᳫVW@AᑮX(45ᔣYZ!"ḄLR.ᳫY(Ḅ.
913.^_ḕaᭊ# 2010ᓫᐗgᡠ5h"ᒴᵯḄᵯ"ᵯᔣijA,Bnᵯ Ḅo(ABo(Ḅp"1qXᵯ"ᡠᜳḄ┦t0.#u*+m,ᵯ₹+#qḄxᵯyz{|}vA(ᚖᐭᵯxᵯyzាQ?B(.Dὃ⇋xᵯyzḄGᜧ..(1)᪷Ḅᱥᳮ⚪ ᡠḄᵯឋ*Ḅᱥᳮ+(ᵯᔣ)?¡¢&ឋᑨSᡈJ¥¡¢&+¦§¨ফOªj⍝xᵯ.ᳫḄᵯ₹+#qஹ|A?Ek{®ABo(Ḅp"Xᵯ"ᡠᜳḄ┦t0u+ᵯᩈឋ*Ḅᱥᳮ+?J¥¡¢&+¦§¨14.^_ḕᵪ²³´µ 2010¶¶·¸¹ᡠᜐ»¼#ᩩ"Ḅou(ᵯ₹AஹBx¾+¼¿ᵯ₹ᵯ₹+QÁGஹHnÄÅp"Ḅᚖ5ᑖ".Çᨵ#uxᵯ.ᳫ3*+mஹᵯ₹++q(ÊË(ᵯ₹)ÌḄÍ!"Îᢞ»0(0ᙠÐ.ᳫC2ÒᑮM(8!"45qXAஹBᜐ»¼#☢ᑁᵫ☟;Ö×<=.ᳫCᔣØ@AᑮGH"ḄN(RPQ}ÚÛR!"XᔣḄᜳt6=30°.ßJà(1)ᙠAஹBᡠáᡂḄᵯ MஹNo(ḄᵯãäåᢣMஹN¡#(Ḅᵯã.(2)ON(XAஹBou(ᵯ₹ᡠᙠ67çQáᡂ#uèaḄçtáᑣ.ᳫ@AᑮN(êÍ!".ᳫḄ2GF(☟ᵯGì+k).;\/\/GJ'/HNBb15.òᓭḕôõ# •ö÷ 2010ᨴὶὃᡠúᨵ#ᔣØḄᒴᵯᵯEE.OXlcfv/m,ᙽᜧḄᙢᙠᒴᵯᙠ
10Ḅh=0.80mḄaᜐᨵ()*+ᑁ()-i/=2.OX102m/sḄ56ᔣo☢-9Ḅᔜ;ᔣᙳᒴ=>?@m=2.0X1015kg,ᵯ₹?@q=+1012CḄHᵯ()()ᨬJKᙠbᓃNOP()QRSTUVWXᶇZ[ᨵᦔᦪ^_N`Hᵯ()ᡭᙠḄcdef-ghᦋjklᱥᳮ?ᩭpq?16.tuḕᔡxyz{|ᨴὃᱥᳮᔁᡠᙠᔣḄᒴᵯᨵᵨ᪷@/=0.40mḄ>?@m=0.20kg,Hᨵᵯ₹Ḅeᳫᢞᙠeᳫ☟ᙠBᔣḄᜳ@6=37°.q¢eᳫ£¤[A`¦ᵫ☟¨STU1_eᳫ©ªghᨬ«CḄ6ᜧe.U2_eᳫghᨬ«C¬eᳫḄ£Rᜧe.U3_W⌕`eᳫ®¯°ᙊᕜ©ªᑣᙠAᚖµ0Aᔣ¶·¸eᳫḄ56ḄᜧecUg¹lOm/s2,sin37°=0.60,cos370=0.80_17.½¾ḕ½¿À2010ÁyÂÃÄzy|>Å;>?@mHᵯ?@+qḄeᳫ-
1156ᔊÇÈᙢ☢hᜐ°É©ª.OPÊËÌRÍÎÊÏÐᨵÑÒḄᵯᡈÔQR·6@g,STU1_eᳫÇÉ=ᑮPḄ[×xḄᜧeU2_NᙠÊÏ·;ᔣḄᒴᵯÙqeᳫÉ=¦°ᒴ6©ªᑣᵯEÛᜧÜU3_ᙠzU2_NᙠÊÏÝ·-;ᚖß☢ᔣḄᒴÔÙqeᳫKᙢáᯠãP,ᑣᡠ·ÔḄÔäåBÛᜧ?18.tæḕçèஹê¿ὶὃ2010ÁyxìíẆ·ᡠZ;Hï?ðñᵯ₹ஹḄஹᵯò@CஹÏó@dḄõZöÏḄᵯf÷@ᒴᵯøZöÏùúᙠñᱥ>`eᳫûᑮ;ᜧe@ü=Uý@þᦪÿ ᳫ᳛ᔣᙊḄ m,ᵯ gḄᳫᵨ LḄ!"ᢞ$%&ᳫ'()*+,ᵫ☟/012ᳫᔣ3560ᑮ9N%;<ា >?!@Aᜐ$CDFIHI?1KMᵯNOP?2ᳫᑮ94%;ḄS<ᜧNOP19.WᓭḕZ[\]^ᑖ᪥2010abcdefgiᡠkᐝmnoḄᙊpqᡂst RḄsᙊvwxᙠzC☢ᑁp}BஹCḄ!)*Ct.ᨵ7TᵯḄᳫ? %B%ḄA%ᵫ3AஹB%I 4R.ᳫᐭp}@^ᯠSᒴᵯᵯI4RᙠzCᔣḄᑖᜧᜧᳫp}cᜐῃᙊp¢ᐸ¤¥¦§¨5A%.©ᳫ¤¥5ª^ᵯ«ᨵᦋS<