天津市东丽区新高考物理实验题大全100题含解析

天津市东丽区新高考物理实验题大全100题含解析

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时间:2023-04-22

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5678rm1iIiiiiIt11«_1»_»_»111**11...."|°i-τ"jrjjτ(τ|τIIII|i!IIOIO20ூuᫀ௃61.70ூ-᪆௃ூᑖ᪆௃ூy-௃z᪗ᓱ}Ḅ~};ᦪ61mm,z᪗}g14B~}gᦑᐸ;ᦪ0.05xl4mm=0.70mmᡠNᨬ;ᦪ61mm+0.70mm=61.70mm6.9ᐹ⍩ḄZ᳛⌕᝞OA.9*0.6kg஺B.ᙠᩩD¡ᵯ£⚣᳛50HzḄᡭk:¦ᘤ஺C.¨NZ᳛©ªU☢¬ᑮᨬᜧ¯°±V²¦³´ᐵ¶·¸¹ᐸᙠªU☢gºVfᑮ»¼஺D.½O¾VẆÀ஺9dḄᦪÁ᝞JᡠL஺ᓫlcm•[•[••),4.01*4.00+3.994.00'ஹÐ'3.52%.255.9ÔÕÖuOᑡØ⚪পᵫÜ⍩Ḅᨬᜧ,ºV¦Ḅ¬Ý(2)ºV¦ḄÞÝᐸZ᳛஺ூuᫀ௃1.00m/s-1.73m/s1.04N1.04Wூ-᪆௃ூᑖ᪆௃ூy-௃(1)[1][2].Ḅᨬᜧv,=~+ᵯ+ᑈ=401+40()+3.99*1-i.QOm/s023T6x0.02gᨬ´6²ëìᐵ¶·¸¹ì%±¸¬(ᵯ+/+/)-(/+&+4)a~9F(3.25+2.97+2.60)-(4.00+3.81+3.52)xl0-2m/s2=-1.73m/s29x0.042

6ফব[4].᪷ÜîïðñMAFf=ma=0.6x(-1.73)N--1.04N¼òóᒴõö÷;ᱫùW1WᜧúûᓽᨵF=fᑣòóḄüMý᳛7p=Fv=fv,=1.04x1W=1.04Wmn7.ᙠ“ÿḄᐵḄᦪ”᝞ᵬᡠ஺ᐜ!ᢞ#ṹḄ%ᯠ'(5)#ṹ⌲)ᢞᙠ,-Ḅ./0123Ḅ4஺ᦪ567᝞.⊤ᡠ9(;<=>?ឋ▲Bg=10m/s2)67ᦪ5O123456#ṹ4P(g)03060901201504(cm)6.007.118.209.3110.4011.52(1)ᙠCᙶ᪗FᜧHᔆJ4XKLḄMᦪᐵḄN(2)ᵫNRSTḄᦪ"=N/mo(XᶇZ[ᨵᦔᦪ^)^1.64^120.8642Oூa᪆௃ூda௃(1)পᢥ᯿⊤ᡠhᦪ5ᙠᙶ᪗ijᵨlᩩnNopᓽr⌕tuvwrxyḄjoᙠNz!{?nNḄjᜧ|ᙳᒴᙢᑖᙠnNZ?ᜧḄj┯3T஺

7f^7N(2)[2]᪷5⊤E=k(x-/)SNḄ᳛⊤Ḅᦪᦑk=—=28N/mAx8.ᜓᑭᵨ.ᑡᘤᩞᵯḄᵯᑁᵯ஺A.ᵯZ⁚0⁚ᵯᵯ¢£1.5V,ᑁ¢¤¥¦B.n§ᵯ¨⊤V1ஹV,ªᙳ£3V,ᑁ¢£3kC2C.«ᵯRo«=¬D.®ᘤR,ᨬᜧ«RmE.°N±²ᐵপ᪷5᝞ᵬᡠḄᵯ³ᵨ´µN¶·°N¸CḄᱥoᡂᵯ³ফK¼◤⌕ᑭᵨTᵯ³«ᵯRo,¾¿¸®ᘤRÀᑮᨬᜧ«Rm'Âᔠ²ᐵ,ᵯ¨⊤ÅV2ḄÆᦪᑖÇ£UlOஹU20,ᑣRo=(U10ஹU20ஹRm⊤)ÉবË®ᘤÌᜮÆᵯ¨⊤V1V2ḄyOᦪ5U1ஹU2,iÎU1-U2Ï᝞ᡠnN᳛£k,JÐÑḄÒÓ£a,ᑣZ⁚ᵯḄ4ᵯE=4ᑁᔆ(ᵨkஹaஹRo⊤)஺ூa᪆௃ூᑖ᪆௃

8ூda௃পপ᝞ᡠ(2)[2]᪷5Ôᑖᵯ³¥¦ÕÖ4=4)-஻20ὶÝaSবব[4]᪷5Âᔠᵯ³¥¦Õᨵ®ÞSᵫ⚪ur¬&+raSakR„E-------,r=———\-k1-k9.᝞(ᵬ)ᡠl[ᑭᵨᐝᵯáᘤâᘤᩞã“åæçxèឤÕ”Ḅ.ᨵlnë£dஹP£mḄìíHᳫᵫAᜐð☟òóô.õ?ªx{?Aᜐö.¾ஹ÷øBᜐḄᐝᵯùSAஹBLḄÓú£H(H»d),ᐝᵯáᘤ67.Hᳫ{?ᐝᵯùḄL£t,ûᙢḄüýþ£g.ᑣ9

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10¢Ḅᑁ30Q,ᑣ¢ᐸᑁ3kQ஺<=ᐵ]v¤jk!CḄᑖ᪆"¦§Ḅ¨A.Ḅ©ª«¦§"¬yzᵯ®ᨵᵯda"ᦑ«Fᵨ⊤ᐸᑁB.Ḅ©ª¦§஺¬yzᵯ®°¨~±²"?<ᵨ⊤ᐸᵯC.Ḅ3³zᓝᑖµ§"◀Qᦪ©☢ḄᏔᯠ¹º᜜"¼½¹º¾D.Ḅ3³z«µ§"¬yzᵯᑁ¾ᜧ"ᵨᱯ⊤Ḅᵯda¹º¾ᜧ"¬¿ÀÁ$Ḅᑁ▲¹º°¾ᜧ2Ã?Fµ§ᙢ~ᵯda6ᑁÅ2ḄᵯÆ"!Ç◀±È6Éᐵ᜜"Êᨵ<=~¿ᘤᩞ?Í⌱Ï>A.ᵯ⊤AiÐ3C0-0.6A,ᑁ|1஺ÑB.ᮣᵯ⊤A23C0-0.6mA,ᑁ|800QC.ᮣᵯ⊤A3Ð3C0-30J1A,ᑁÅ2ÑD.ÒdᘤRiÐᨬᜧÔ|100E.ÒdᘤRzÐᨬᜧÔ|2k஺ÑF.ÔᵯÐÔ2kQG.ᵯÕR0-9999জ!0×⌱ÏḄᘤᩞ¨ÐØᘤᩞḄÙÚÛÜÑ஺ঝᙠ©᪾0ß$×àᵨḄᵯ'____________________.ঞ!"ᦋãᵯÕRḄÔ"äå=ᵯ⊤Ḅ.ᦪIᑮfçèRஹIḄᦪU"᪷U!ᦪUé$᝞'ᡠ.Ḅ'È"ᵫ¿$ᐸᵯÆḄᵯdaVÐêᶇv¤ᨵᦔᦪÑ஺ᢥ᯿¿!©ªïᑖ᪆ᑁᵯ▲Ḅ3ÔðñÔᜧᐵ¼"òóᵫô⌕Ḅö>.

11R/k஺ூ÷ᫀ௃ADùᜧ"ᑁᵯḄ3Ôᒹûᵯ⊤ᑁ"ᡠ<ᜧ]ñÔூJ᪆௃ூᑖ᪆௃ூMJ௃(1)[1]AB.¬yzᵯ®ᨵᵯda"ᦑ«Fᵨ⊤ᐸᑁ"ᦑA¦§"B┯¹;CD.yzᵯᑁ¾ᜧ"ᵨᨵᑁḄᱯ⊤Ḅᵯda¹º¾ᜧ"ᦑC┯¹"D¦§஺ᦑ⌱ADo(2)ফᡠóÿᘤᨵᵯ⊤ᵯὶᵯᦋᡂᵯ⊤᪷(1)Ḅᑖ᪆ᡠ!⌱ᵨ$%ᵯ&ᵯ'()ᑁ+ᮣ-ᵯ.⊤/00ᵯ&Ḅ1᩽3ᵯ.40.32mA,⌱ᮣ-ᵯ.⊤A2)56ᡠ!789:⌱;Ḅᘤᩞ=BG஺ব@⚪=ᑭᵨ$%ᵯ&ᑁCᵯ'(ᵯD᝞FᡠGES~||~--------[4]ᵫLᔠᵯDNOPE=/(R+r),5Q3R=£-rI᪷FRḄS᳛⊤Gᵯ'(3ᵯUVḄᵯ'(4মᢥ᯿Z78[%\Ḅᵯ&ᑁ=ᵯ.⊤A2)ᵯ&1]ᑖᵯ^)+ZᑁᵯḄ_`7abcᜧ஺11.᝞Fᵬ4fghfiᵯ&Ḅᵯ'()ᑁᵯḄᵯDFᐸ9kl᪾ᑁ4ᵨn$⊤ᦋᡂopᵯ

12.⊤ḄᵯD஺rn$⊤Ḅᑁ410஺scᵯ.4100mA஺ᵯ⊤p43V,RoஹR1ஹR24ᵯ,ᐸ9ḄRo=2஺஺vপrRi=().4C,R=1.6QOxᵨa)b1y0lzᵯ.⊤p4Axᵨa)c1y02lzᵯ.⊤p4A஺ফ78|}~জᢥ᯿ᳮF0ᵯDঝᐵSᔣb,'5ᘤRḄᱏ'ᑮ(“”ᡈ“LᔠᐵSiঞ⁚'5ᘤḄᱏa:Ḅn$⊤ḄGᦪI)ᵯ⊤ḄGᦪU.(3)ᦪᜐᳮ~জᑭᵨ783Ḅᦪᡂ᝞FvᡠGḄU-/F¡ঝᵫF¡Ḅᵯ&Ḅᵯ'(E=V,ᑁr=Q(E)rḄ¢£ᙳ¥ᶇ2§ᨵᦔᦪ©ூ«ᫀ௃0.63.03.02.5(2.3~2.7ᙳ®)ூ°᪆௃ூᑖ᪆௃ூ±°௃পপxᵨa)b1y0lz᪷²ὶᵯDᑖ.³P/,-100mA_10Q100mA-0.4Q+1.6Q°3p47,=600mA=0.6Aফxᵨa)c1y0lz᪷²ὶᵯDᑖ.³P/,-100mA_10Q+1.6Q100mA-04Q-°3Z,=3000mA=3.0A(2)ঝব4¥´ᵯDµ¶·¸'5ᘤḄ:ᨬᜧᡠ!ᱏᑮᨬ஺বঝভxᵨa)b1y0lzᵯ.⊤p᡽ᜧ¼"=6¾᪷LᔠᵯDNOP®100mA

13E=U+6I(r+R,)5Q3U=E—6/ör+&øøF¡Ḅ¿ÀÁᓽ4ᵯ'(ᜧᓽE=3.0V[5]F¡S᳛Ḅᜧ1.0—3.0C=4.5C6x74x10-3ᑣᵯ&ᑁ4r—4.5Q—4=2.5Q12.f78ÄÅᵯ.⊤ᦋ41ᵨᵯ⊤~NO⊤~9ƸÇ430Ḅ“xio”᫏ᵯ⊤~po6V஺A.ÉᵯUVE=3.0VB.ᵯ.⊤AiÊp஺Ë10mA,ᑁ4100஺ÌC.ᵯ.⊤A2Êp00.6A,ᑁ40.2஺ÌD.'5ᘤRi0-300஺ÌE.'5ᘤR030஺Ì2F.ᵯR310஺ÌG.ᵯR450012H.ᓫᑐoÏᐵS,iÐ⊤ÑCÉÒlপF9A4Ê“Ó”ᡈ“Ô”Ì⊤Ñᵯ·:ᐵSᢁᔣÊ“1”ᡈ"2”஺ফᵯ.⊤:⌱ᵨÊ“A]”ᡈ"A/,'5ᘤ:⌱ᵨÊ“Ri”ᡈ“R2”ᵯR:⌱__________Ê“RTᡈ"R/'஺3ᙠØ⌱ᵨᘤᩞḄÙÚØ0Û78ᵯD,ᵯ.⊤scᵯ.4᝞ᑣᵯ¸ÇÜÝᢣ┐ᢣᙠÊ4ᜐᡠÐ:Ḅ_________£1.ூ«ᫀ௃Ô1AlRR12004ூ#᪆௃ூ&#௃

14(1)à]âᵨᵯ⊤Ḅ⊤ᜮᐳᵨᱯæᩭèÔ⊤Ñ)NO᫏ᑁ]ᵯ&ḄØ᩽aA⊤Ñ4Ô⊤Ñ;ফᵯ·◤⌕ᑁ0ᵯ&⌕ìᣚᐵ0ᑮ1§î(2)[3]ᵫïᦋðḄNO⊤Ḅᑁ4300஺(ᓽ9ᵯ)ñᵯ&ᵯ'(43.0V,ᡠ!ᨬᜧᵯ.4~3I=—mA=10mA30ᡠ!ᵯ.⊤⌱[4]ᦋᡂNO⊤·0ᐭiyóᵯᵫ⚪ôNO⊤Ḅᑁ4300C,õ0ᐭ'ᘤ⌕scö÷JE%=——8=200஺4ᦑ'5ᘤ⌱ᵫমõᦋ4p404VḄᵯ⊤·:ὶiy4~gᦑᵯ⌱R;4(3)[6]ᵯᢣᙠ!4ᜐᓽZ·ᵯ.4~5&/=ü/,=20mA5°ᡠ!ýᵯ~E&=7-þ=1200Qo13.ᙠh᪥ᐜ300HAḄ⊤ᜮGᦋ0.3AḄᵯ⊤ᯠᵨᦋḄᵯ⊤ᵯ!Ḅ!"஺$%⌱'Ḅᘤᩞᨵ+⊤ᜮG(300gA,ᑁ!./012)45!ᘤRi(0~10kQ)45!ᘤR(0~50kQ)2ᵯ!6R(0~9999Q)ᵯ8E](ᵯ9.1.5V)ᵯ8E£ᵯ9.9V):ᐵஹ=>?@(1)ᐜᵨ᝞B(a)ᡠDᵯE⊤ᜮGḄᑁ!Rg,FGH+A.ᢥB(a)JKLᵯE45!ᘤḄ4ᱏNOBᨬQRSB.T:S2,UᔠSiN⁚45!ᘤḄ4ᱏXYZG[\SC.UᔠS2,]^ᢝ45!ᘤḄ4ᱏXY`5N⁚ᵯ!6Ḅ!"Z⊤ᜮGḄDᦪ200RA,bcdeᵯ!6Ḅ!"Ro,

15(a)(b)জᵯ8g⌱ᵨ,45!ᘤg⌱ᵨ(⌱ijᘤklmn)Sঝp⊤ᜮGḄᑁ!Rg=,⊤ᜮᑁ!Ḅ"qᐸs"(⌱i“\ᜧ”ᡈ“\”)ফpGḄᑁ!Rg=500Q,⌕⊤ᜮGᦋᡂ0.3AḄᵯ⊤g⌱ᵨ!"஺Ḅᵯ!{⊤ᜮG]ὶSবᑭᵨᦋḄᵯ⊤A,ᵨB(b)ᡠDᵯEᵯ!RxḄ!"஺eᵯ⊤VḄDᦪ1.20V,⊤ᜮGḄᢣ┐ᢣᙠᵯḄ250஺ᜐᑣR*=Qoூᫀ௃E2R5RO\0.54.32ூ᪆௃ூ௃UᔠS2:ᐵeᵯEᵯ`5▭Uᔠ:ᐵS2eᵯEᵯ!5ᵯEᵯᜧᵯ8ᵯ9ᜧஹ45!ᘤ!"ᜧUᔠ:ᐵS2e⊤Rᵯ5ᓄᵯ8g⌱'E2,45!ᘤg⌱'R22বভUᔠ:ᐵS2eᵯEᵯ`5⊤ᵯ[\ᵯḄᑣᵯ!6Ḅᵯ[\ᵯḄ;⊤{ᵯ!6]ὶ]ὶᵯEḄᵯ{!"ᡂIR”úUᔠ:ᐵS2e᦮¢ᵯEᵯ!5ᵯEᵯ5ᜧᜧ£300j>A,¤⊤ᜮGDᦪ200HAeᵯ!6Ḅᵯᜧ£100pA,ᵯ!6!"£⊤ᜮGᵯ!Ḅ¥ᵯ⊤ᑁ!¦£ᵯ!6!"Ḅ¥§d⊤ᜮGᑁ!"\S(2)ম©⊤ᦋᡂ0.3AḄᵯ⊤◤⌕]ὶᑖᵯ!]ὶᵯ!!":300x10-6x5000=0.5஺0.3—30x10"(3)[6]ᦋᵯ⊤ᑁ!:/A300X1Q-X500^=Q=00.3⊤300pA,ᦋᵯ⊤0.3A,᡽ᜧ®1000¯⊤Dᦪ250pAeᵯ⊤Ḅᵯ+250X10'6X1000A=0.25A

16ᵫB±ᡠDᵯEB$²ᵯ!!"R=-=”Q-0.50=4.3஺xx/A0.2514.ᙠ³“ᵨᓫ᤮¶·¸¹º”Ḅ+(1)»¼½ᵨ¾᪗ᓱÁp᤮ᳫḄÃÄ᝞BᡠDᑣ᤮ᳫÃÄd=((2)ż½eᓾ`ÇÈbᳫḄ¥ÄÉ®Ê᤮>ËÌᕜÎÏÊpÐ>ËLiÑgÒᕜÎTiÏÓÊpÐ>ËL2,Ñgᓫ᤮ḄÒᕜÎT2,᪷ÕÖᦪÕ×$=Ø·¸¹ºḄ⊤ÙÚ஺ÛÜ2c4/Q—QÞLᫀ௃2.030g=------7.........-T\-T^ூ#᪆௃ூ&#௃¾᪗ᓱÁḄßÁàᦪ20mm,¾᪗Áàᦪ0.05x6mm=0.30mm,ᑣ᤮ᳫḄÃÄd=20.3()mm=2.030cm(2)[2]áᳫḄ¥Är,᪷Õᓫ᤮ḄᕜÎâÚpTi=27tὶãFp4ᐗ2åæ)*T\-T^15.½çèéÏӶ꼽ë“ᙠ᜜¸¶ḄᩩîïᱥñḄ¹º{ᐸòᡂ”Ḅóôáõ®᝞BᡠDḄY.Yᵨ`$÷ËḄøùRJKᵬûஹüR{±ûýJøùþ`õòḄᐝᙠᢞᱥᵬஹ(ᘤ)Ḅᑖஹ!ᡠᢞᱥḄ#0஺

17(1)ûᑮüýḄU⊝6ḄÞ(ÿ“◤⌕”ᡈ“◤⌕”)ṹḄḄ(“◤⌕”ᡈ“◤⌕”)(2)᦮ᘤᩞ!"☟$%&'(ᵨ*+,-ᘤ./0'ᙠ2!"3ᑁ25ᐸ78*9Ḅ*+ᑖ;<4ஹ$2,ᙠ?@ᐕBḄDᑁEFG________IJᡂLᑣNO<“ᙠ᜜QRḄᩩTUᱥWḄXYZ[ᐸᡂ\]''(ᵨ⚪`ab⊤d)஺ூgᫀ௃◤⌕◤⌕kS]=mt1ூ᪆௃ூ௃(1)[1][2].

18X⌳t_________2015oi10o.o'5。o0。K)oi200400600800100&(•)'()1o(aw5c3-」O.200400600800100&▉(•)+ᵬ+পᵫ+.r=60.0s&/☢Ḅ12᝱456789:;B.ᒴ(ᙊᕜ1C.()BᜧḄᙊᕜ1D.()DEḄᙊᕜ1ফGᵫ+.HIᑮḄKL4M;3O⌕ẆR#()STUḄᐵWXYZᢝ\]ᦋ],`abcd#()ḄᜧEe᜜g◤⌕Ḅiᘤ4M.ூlᫀ௃BTUo'()ᜧE\]&#()ᜧEp\]<'()Bᜧ&#()pBᜧq(5ᡈ'();stᑮᙊuḄvw5ᡈTU;x)yூz᪆௃ூᑖ᪆௃ூ|z௃ᵫ+./=60.0s&#()ᜧE\]'()ᜧEp\]ᡠHe&/☢ᙠ}ᒴ(ᙊᕜ1,ᡠHB~ACD┯஺ᦑ⌱B஺2[2]ᵫ+.H#()'()Ḅ]ᓄᜧ᪵ᡠH.HIᑮḄKL4MTUo&'()ᜧE\]&#()ᜧEp\]<'()Bᜧ&#()pBᜧ஺ব[3][4]ᱥ}ᙊᕜ1Ḅ#()a=co2r=4ivn2rO⌕ẆR#()STUḄᐵWXYZᢝq(5ᡈ'();\]ᦋ]stᑮᙊuḄvw5ᡈTU;<মᡠHg◤⌕Ḅiᘤ4x)y஺17.ᵨ᝞+ᵬᡠḄ}“Rᔠ}ḄSᦋ]ḄᐵW”Ḅ¡¢£ᐝᵯ¦§oᙠ¨©ª⍝¬ḄB®ᵨᱥ`a¯°±ᨵ³ᐝᩩḄEᯠ¶ZᢝEᱥḄ\]`aᦋ]E·¸ᑮᐝᵯ¦Ḅvws¹º»¼&⌕½E¾¼¿À☟>·¸஺

19(1)ᵨÄŽÆᘤ½ÇᐝᩩḄÉZᐸdᦪ᝞¤0ᡠdᑣÇᐝᩩḄÉZ1=mm஺(2)<ËÌ?@"◤⌕ÍÎḄÏÐÑ.A.¶§pÒ⍝ÔḄAÕÖ×〉ÙḄ×Z´p⊝᥅ÛQB.wÜᱥḄmᜧÞÇᐝᩩḄßMC.⁚§pÒ⍝àÕáâḄ×Z(3)¸ã`½xÞÇᐝᩩḄM=lkg,ᐝᵯä./ª«Ḅ"30.002s,ᑣᙠåã`ÞÇᐝᩩæXḄv<_______J(çèᶇᑮᦪê'*)஺(4)`ᑭᵨìí}Q5ḄîWᙠïðñÔ¾|-W¤ó(|ÑÜᱥvô)᝞¤ᡠd஺ᵫ¤óN´ö¾÷|ßÑᶍᜧw,⌼ᡂsúûÂḄüÑ஺ூgᫀ௃4.700AC2.76W=mgsp⊝᥅ÛQ«Zூý᪆௃ூᑖ᪆௃ூÿ௃(1)[1]ᘤḄ0.01mm,Ḅ4.5mm,ᦪ4.5mm+20.0x0.0lmm=4.700mm.(2)[2]AB.ẆᑮḄᔠᡠḄ!"Ḅᦋ$%&'Ḅᐵ)*+,ᑮḄᔠ-ᱥḄ-ᜧ01*ᦑ◤⌕5⊝᥅8*9:;-ᱥḄ<%=>?@ᐝᩩḄC<%*B┯EAFGC.◤H⁚J5K⍝MNOPḄQ*RSTᐝᵯVḄWXK⍝5Y*CF஺ᦑ⌱AC஺(3)[3]\@ᐝᩩ]^ᐝᵯVḄ_

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22ᦪUïூ}ᫀ௃B3.00.53ூ᪆௃ூ௃IsÕ45âhãäᵯÝÞßᘤḄåæᑣᵯ×ᵯx0ᵯÝÞßᘤᨵÓᦪ0,7ḄU-I-8<ᵯÝðᵯxḄaᜧçaᜧñᙶ᪗ᨵô%õö-b<Ḅ-8:B÷ᔠW2ÜᵯÝÞßᘤd·ᦋoᑮᵯ×ᵫ?ᵯ⊤ᑁḄ@AᵯB%_______ᐸE<%F⌱H“ᜧ?”ஹ“K?”ᡈ“M?”N஺ব᪷Q<=ᦪQR4ST-x8᝞Uᡠ஺8V᳛k,ᵯ$WX☢ZS,R;ᵯ$Ḅᵯ▲᳛p=,ᵯ⊤ᑁ0ᵯ᳛ḄB_______F⌱H“ᨵ”ᡈ“^ᨵ”N@A஺ூ`ᫀ௃1.490.45M?kS^ᨵூ᪆௃ூd௃

23(DUH2ᵫbᔠᵯcdefg+hU=E-I(r+R)0ᑣ+hj2kḄjlmᙶ᪗'Ḅpq⊤sᵯ!t*ᦑE=L49VjlḄu᳛⊤s(r+Ro),ᑣ1.49-1.2r+K>=1.45C0.20wr=1.45-1.0=0.45஺(2)3ᵫjs+h*xyzᵯ{0>ᵯ|ᩭ~ᵨᵯ⊤᜜Tz*ᵫ>ᵯ⊤ᑖᵨ*ᵯ⊤%*᜜ᵯcc*ᵯ%1>*ᵯ|ḄU-Ijl᝞jᡠsᵫjl+h*ᵯ!t%>*ᵯ|ᑁ{%>஺(3)4H5᪷defg+h*ᵯ{⊟=*ISᑣ+hk=2swp=kSὃ⇋ᵯ⊤Ḅᑁ{*ᑣ=£-'*ᑣjlḄu᳛$*ᡠwḄᵯ{᳛ᨵ஺21.¡%¢ᵯ!t£6V~8V,ᑁᵯ{>3cḄᵯ|*ᵫ>¤ᵯ⊤%¥¦ᨵ3V,◤⌕§¨¦ᵯ⊤©^STªfᵯ{(ᵨᵯ{¬®)*ᦋ°%¥9VḄᵯ⊤*ᯠ²³ᵨxyzᵯ|Ḅᵯ!t?ᑁᵯ{*´µ¶·Ḅ¸^¥¹(1)ºᵯ⊤%¥᡽ᜧ*ᵯc᝞jᵬᡠs*½¾᝞´*¿ᡂÁÂ஺ý¹ᢥᵯcjSTᱥÃŽ¹ºO!${ᘤO!ᱏÇᑮᨬÉN*ºᵯ{¬{HᑮÊÃ˽¹bᔠᵯÌ*ºO!${ᘤO!ᱏHᑮ〉ÎÏ*Rᵯ⊤ᦪ3.0VÃн¹ºᵯ{¬{Hᑮ〉*Rᵯ⊤ᦪVo

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36(2)[2]VᔠWᐵY!᪷[\]ὶᵯ_`a+b!4cdᵯ6Uo=u!o—Go,ᵯ2/=&!᪷[klma&%=UQ/a஺(3)[3]᪷[Vᔠᵯ_klma+bno+pu—6(!+s)ER()ᵫuv+b!wa=ox!t/=i.ov,ᑣᨵ2r+RQ_Ex1.2uvḄ᳛,r+&2.4-0K=--------=--------------=1.3r2.6-1.0ὶApE=3.0V,r=2.4Qo28.ᢈᵨḄᫀᔠḄᵯ᳛ᵯ஺(1)⌱uᵬᫀmᔠᵯ᳛஺ᔠL,D,R,ᑣᐸᵯ᳛;ᵨᘤᔠḄ᝞u£ᡠ!¥ᦪ.mm஺஺5254TTT=-■20T0315------------E26481216§Tফ©ᑭᵨ᝞u§ᡠḄᵯ_R,Ḅ஺VᔠWᐵS,¬®⁚ᵯ°R,¥±²R³

37I!᪷[ᦪ[´±:-Ru¶᝞u·ᡠ!¸ᵯ¹ᑁ!ᵫ»+1pᑮR=C,RஹḄ½¾¿À;Á“Ãᜧ”“Ôᡈ“¿Ç”..ூ'ᫀ௃È4.70010Ãᜧ4LூA᪆௃ூÉA௃পËÌফᔠḄᵯR=p^=PLᵯ᳛ᐔRD)p=---4Lᵫuᘤ+b!ᐸᦪ:4.5mm+20.0x0.01mm=4.700mm234ᙠVᔠᵯ_Î!ᵯ¹ᵯÏÐE=I(R+RJᑣ7=^+1ᵫuÑ+bk=pᵯ¹ᵯÏÐE=4V,uÑÒ98=2.5,+p«=10஺ÓÔᵯs½4ᵯ2⊤ᑁ7³!ᡠ1Ãᜧ஺29.mÕÖ×mᵯ6UL=2.5V,×mᵯ2Ø0.3~0.4AḄÙÚLᙠÛÜÝÞxḄ஺ß⌱àḄᘤᩞᨵA.ᵯ2⊤Ai;â0.6A,ᑁËØ0.5CB.ᵯ2⊤A2â30mA,ᑁË=30஺.C.ᵯ2⊤A3â60mA,ᑁãØ20஺.D.ᵯ6⊤V;â15V,ᑁiØ15k஺.E.mᵯR=70f20F.äÏnᘤRi0-5Q,×mᵯ21AGäÏnᘤR20~lkQ,×mᵯ20.2AH.ᵯ¹EᵯÏÐ4.5V,ᑁ¸

38I.WᐵSå¶æপx⌕çᵯ⊤ᦪèᐸâḄÕé!◤⌱ᵨḄᘤᩞê³HஹI(⌱ÁᘤᩞëìíḄîïðñ)஺ফ"ᙠò¶᪾ᑁô±ᔠ〉Ḅᵯ_u(uÎ◤᪗ᡠ⌱ᘤᩞḄ÷ñ)஺()(3)øùÙÚLÛÜÝÞ!x⌕úᐸÎûÕÖᵯ⊤Ḅᦪ®ᑮ²üý.(4)pÙÚLᙠÛÜÝÞxḄRL=(ᵨ▭ᡠᱥᳮ⊤)!]ÿᔜ(⚪Ḅ◀᜜)ḄᱥᳮO—©—ூᫀ௃ABEF8ᵯ⊤A?Ḅᦪ!25mA""""L!ᵯ⊤AlḄᦪ"L!ᵯ⊤A2Ḅᦪ#!25mAூ$᪆௃ூᑖ᪆௃ூ'$௃(1)প()*⌕,ᵯ⊤ᦪ-.ᐸ)0Ḅ1"23ᵯ4UL=2.5V,ᑣᵯ4⊤)06ᜧ89⌱";ὃ⇋ᵯ⊤A?>3?ᵯ@RoAὶᦋDᡂFᵯ4⊤"ᓽ30x103AX30QU30c-30Q+70cᦋDᵯ4⊤Ḅ)0!Uv=3Vᵯ⊤Al;ᵨI(ᵯJ᪷LMN3OPQRSTLᙠVWXY*Ḅ@?!6~8஺"[\]@ᘤR2@?6ᜧ"8〉ᔠa▲ᵯ@"[\]@ᘤR1RISTVWXY*ᵯ@"cdᵨᑖ4ᵯe"ᡠg⌱h@?iR"23ᵯiᜧḄR,gᑖ4jkᐭᵯe"dᵨ᜜km;gn◀opqr஺ᦑ⌱ABEFo(2)ফ᪷Ltuᑖ᪆vwᵯexy

39©—(3)[3]Jª«Ḅ¬ᵯB+2.5V,ᑣ2.5V=/(30Q+70Q)2Y0I-25mA2ᡠ⁚Riᵯ⊤AḄᦪᑮ25mA஺2(4)[4]᪷_®¯°U_2z&+}~ম³h+ᵯ⊤A.Ḅᦪ12+ᵯ⊤AḄᦪ´+25mAo230../ᙠ⁚ᵯḄᵯgᑁᵯEḄcᜓᨵ{ᑡᘤᩞ:A.Ḅᵯ(ᵯg¶+1.5V,ᑁᵯEJq1.0஺)B.ᵯ⊤Air0~3mA,ᑁERgi=10CC.ᵯ⊤A2(r0~0.6A,ᑁE·Rg2=0.1C)D.fgLEᘤRi(0-20Q,10A)E.fgLEᘤR2(0-20012,1A)F.wᵯERo(990஺)Gᐵ9প¹º»¼᝞#ᵬᡠḄ(a)ஹ(b)@½cᵯ`ᐸ¿+ᔠᳮḄÁ_______#ᙠ-ᵯ`+¼ÃÄÅÆ´ÇÈÉᙢËÌfgLEᘤo⌱(ᑏᘤᩞÎÏmḄVÐÑÒ)ᵨÓᡠ⌱Ḅᵯ`#ᑏᐰᵯ`®¯°Ḅ⊤Ô³E=(ᵨI௃ஹLஹR>42ஹRoஹr⊤)஺gl(2)#+-./᪷_(1)⌱ḄᔠᳮḄcᵯ`ᑭᵨḄᦪ_§ḄÕ12#9(L+ᵯ⊤A1Ḅ

40ᦪb+ᵯ⊤A2Ḅᦪ)+¼Öᓄ»Ø-./Ù+ÚÛÛJq12,ᑣᵫ#9<0ᵯgE=V,ᑁEr=fto(rḄPQkᶇ@TJᦪ)ூÜᫀ௃bD/I(4|+Þ)+(/1+/2)r1.46V-1.49V0.804860஺ூY᪆௃ூ]Y௃(1)[1].àáᘤᩞâᯠäᨵᵯB⊤åæ¼@½ᵯ⊤ᵯ⊤Gçὶ½ᵯE<ᦋêᡂìᜧrḄᵯB⊤஺ᵯ⊤A,wᵯER஺çὶ<ᦋêᡂ½r+u=4(í+&)=3X10-3X(10+990)V=3VḄᵯB⊤ᑣ(a)ஹ(b)@½ïὃcᵯ`ᐸᔠᳮḄÁbJ[2].ñ+ᵯòḄᑁEìJᡠo-iᵨìJᨬᜧwḄfgLEᘤᨵᑭqᦪ_ḄôõḄIJ஺fgLEᘤo⌱DJ⌱ᜧᵯEᑣᙠLEᘤfᱏ⁚Ḅᜧöᑖøᑁᵯ⊤A2sᦪùJᵯ⊤AisᦪLᓄKúû஺[3J.᪷_ᵯ`<=üE=U+Ir=h(Rgi+Ro)+(Ii+I)r2(2)[4][5].᪷_®¯°çὶḄ=ý0ᵯò@AᵯBU=Ii(990+10)=10001]᪷_#tuþÿḄᵯE=1.47mAx1000Q=1.47Vᵫᵯ0.45AᵯL1V,ᑣᵫᔠᵯ147-11J=0.82Q0.4531.᝞ᡠᙠᴻᢚ#᳛Ḅ%&'()*+ᐜ-./01ᙠᩈ34஺6-ᴻẈ8ᙠ./049:a;bᴻẈḄ4<=☢Ḅ)?஺ᙠᴻẈḄ@AB4(Cᜧᜮ┐4;G6HᴻẈḄI@JB4ᜧᜮ┐A;K஺LMᡂO<%&PQR(1)<ᑡTUPQV:ḄW;(ZV:[ᫀ᪗^)A.B4ᜧᜮ┐A,`aᢱcGḄdB.B4ᜧᜮ┐ᨴ`ᨴᢱcfஹGḄd

41C.tᜧᜮ┐ᨴ"ᨴᢱḄD.tᜧᜮ┐4,2ᢱA[ஹ6Ḅ(2)VᡂtuY"ᙠt᪗wᜧᜮ┐¡ஹAḄ¢£(x᪗w)"ᙠxYw᦮Ḅᐝex;()(3)ᑭᵨᐝex¨Q©ªᴻẈḄᢚ®᳛n=oூ$᪆௃ூᑖ᪆௃ூ'$௃(1)[1].ᙠªᴻẈḄ°±²t³´ᜧᜮ┐6¡"3ᐭ®ᐝµ"ᯠtᜧᜮ┐ᨴ"ᢱ"¡Ḅ"·tᜧᜮ┐ᨴ"¸ᢱ¡ஹ¡Ḅ"¹º3w®ᐝµ஺ᑣBDV஺(2)[2].ᐝex᝞xᡠ஺ব[3].ᙠᐝex᪀⌼¾¿À"ᵫxÂ4=45஺"ᡠgsina=——12sind=2ᵫᢚ®3Osin022

4232.᝞ᵬW“klmnopqᓄḄᐵt”Ḅ%&v?w0x᱐Ḅz{ᙠ1ᩩ}~Uᵨ<}~z{Ḅmᵨ2ᩩஹ3ᩩ……Mᐰ*Ḅ}~2ஹ3……%&ᵫ%&'}~Ḅp*2ஹ3……%&'}~z{Ḅmᑖ2Wஹ3W……%&'z{ḄᨬᜧopᵫᡭᘤᡠᡭḄ0஺|R1ᐵ¢%&<ᑡ£¤'V:ḄW_¦Z⌱⚗©^ª«¬஺A.®¯⊝᥅²³B.ᡭᘤOᵨ´ᵯµ¶ᵯC.%&z{®H*@)?ᵫ☟¸¹8D.O⌱ᵨº/»*Ḅ}~2K¼ᵨ1ᩩ}~%&ᡭḄ0AஹBஹCஹDஹE½(¾Ḅ¿ÀᑖAH=1.60c/n,8c=1.62cm,CD=1.64cm,DE=1.64cm,ᑣz{Ḅᨬᜧop_Á/S஺᝞Ãᵨ2ᩩ}~%&ÄÅᙠᳮÇ4z{ḄᨬᜧȦÉÃÊᶇ()ᨵᦔᦪª¬஺__________________________________...ÐÑ+>62++1.64ÒÑ1.64T3NBτ__________dKூ[ᫀ௃AC0.820.067ூÕ᪆௃ூ×Õ௃1[1].A.ØÊÙz{ḄÈÚW}~mḄÉî¯⊝᥅²³ᩈ3⌕〉ḄÝÞᦑAV:஺B.ᡭᘤ`ᵨḄWàᵯá஺ᦑB┯ãC.᪷å%&æᳮ%&z{®H*@)?ᵫ☟¸஺ᦑCV:஺D.᪷å%&æᳮ}~®W*ḄᦑD┯ã஺ᦑ⌱AC2[2][3].⌕ᨬᜧopç¢⌱ᵨèឤḄêᑖ஺ᓽç⌱ᵨ0ḄCஹDஹEêᑖ¾¾◞0.02s,ᨬᜧopR…4X*°82zsmt0.02᝞Ãᵨ2ᩩ}~%&ÄÅᙠᳮÇ4z{ḄᨬᜧÈ

431E.=2•—mv9=O.192XO.82J=0.067JKin2஻n33.ᔠîᩞᧇḄᵯñ᳛Úòóᜧ¼*+ᢥ᝞

44(5)dᵨFeᵯKᦪRᜐᳮThᵯ⊤ᑁjᔠ(*ᵯ᳛Ḅkl(m“opqrᜧ”ஹ“opqrt”ஹ“jpqukl”)஺ூwᫀ௃0.379ஹ0.380ᡈὅ0.381aᡈc8.5

4534.ᦑ,ᵫ¡Ḅᡃ£¤¥j¦ᳮᨵḼ¨U©ª஺«¬+®ᨵ¯°±²ᘤ9ᵬ,´µ¶ᵨḄ·±²ᘤᵫ¸¹ºK»ᱏ½ᡂ¸¹º¿ÀÁªᙠᐸFஹO⊤☢ᔜÅ´ÆÇḄ»ᱏ»ᱏᵫ()ᑴᡂ஺Éᙠ¸¹ºḄÊᵫÀËÌ´ᔣOḄWᵨ·F,ᑣ¸¹ºÎÏF»ᱏÐÑÒO»ᱏÐÓ஺·Ôᜧ¸¹ºḄÎÏÕJÔᜧ»ᱏḄᵯᓄ×Ôᜧ¤HḄᵯØAU=|U|-U2lÙ×Ôᜧ஺"#±²ᘤÚÛ·ḄᵯÜ19Q,ÝÞßᙢ]±²ᘤḄá[Ý%Oâãâãäᳮ9᝞9åᡠ=஺âãæçè%OᘤᩞêA.ªᵯRoR=5QB.ᘤëᨬᜧ2Q,ìªí᳛50WC.ᵯ⊤A10.6A,ᑁri=l஺îD.ᵯ⊤A20.6A,ᑁ·Ü5CE.YᵯEiëᵯï3V,ᑁÜ1஺îF.YᵯE2ëᵯï6V,ᑁÜ2஺îG.ᐵS&34Éð஺1᜜·FòᜧOᑡôhõßḄ,öA.FஹO»ᱏᵯ+òᜧB.FஹO»ᱏᵯ+÷tC.F»ᱏᵯ÷tO»ᱏᵯòᜧD.F»ᱏᵯòᜧO»ᱏᵯ÷t29å:জஹঝᵯ⊤ᐸ:ᵯ⊤জ⌱________ë⌱m“AJᡈ”ᵯ⌱ë⌱m“Ei”ᡈ‘ᵯ"îö3ÝÞßᙢ]ᙠ9S:BஹCþ346ÿᘤᵯḄAஹBஹCḄ⁚ᘤᦪ!"#$%&'(ᙠ*+,'ᵯ;4#ᔠ/0!"123456789ᘤḄᵯḄ⊤;<=A௃ஹA2?ᵯ@⊤Ḅᵯ@ᑖBᵨI1,h⊤DE஺

46ூIᫀ௃DAiE2ூK᪆௃ூMK௃1NO᜜QFRᜧT/UᱏWXWᵯᜧYUᱏWXZᵯ[ᦑ⌱D஺22⚪*_Ḅজ⌕bᵯc⊤ᵨdeᑁUghᦑU⌱ᵯ@⊤A”3dijkl11C,mnᵯ@=0.6A,ᡠ4ᵯpᵯqUl6.6V,ᦑᵯp⌱E2஺3ভᘤUsᵨᑖc<tBஹCuvwxyAஹB?ᐰkCᙠᘤḄ᝞*ᡠD஺ভমᵫ⚪*_h~789ᘤḄᵯ@=L—hᙠ789ᘤ?Ḅᵯc=hr”ᦑ789ᘤḄᵯ=12Tl35.ᙠ⊤/ᵨḄᵯᘤᵯᘤ⌕ᐹᨵᵯXᦪᵯ᳛ᜧὊឋ஺!"[ᵫᩞᧇᑴᡂḄᙊḄᵯ᳛pḄ!"ᐸ᝞Y1ᵨ20ᑖXḄ᪗ᓱ£ᐸWX᝞*ᵬᡠD3hᐸWX=L=mmᵨ¥¦§ᘤ6ᐸ¨©D᝞*_ᡠDᑣD=____mm567cm010202eᙊᵯ«=100C,¬®ᩞᧇḄᵯ᳛p,¯°±4Y!"ᘤᩞ:A.ᵯ@⊤Ai³´50mA,ᑁri=20QB.ᵯ@⊤A2´100mA,ᑁg«=40஺EC.ᵯc⊤V³´15V,ᑁ«=3000஺EµD.ᘤRi010C,¶·ᵯ@2AE.·kᵯRo=8OCF.¨@ᵯpE³ᵯq=4V,ᑁ¸[EµGyᐵºvw»¼஺

47=½¾3¿'ᙊḄkᙠᡠÀḄÁ᪾6!"ᵯ*Ã᪗Äᡠ⌱ÅᘤᩞḄᱥᳮÈÉ(3)eᙊWX=L¨©D,»sᵨ4/ᵯÊËᵯ᳛p=(ᑏ6⊤;<)(»!"ᵨᑮᵯ@⊤Aiஹᵯ@⊤A?ஹᵯc⊤V,ᐸÐᦪ3ᑖBᵨÑÒI>Uᩭ⊤D)஺2Ô£)Y(/?o+r)ூIᫀ௃50.155.695(5.693-5.697)4MA-/,)ூK᪆௃ூᑖ᪆௃ூMK௃(1)NO20ᑖXḄ᪗ᓱ£¿'X=0.05mm,ᙊḄWX=L=50mm+3x0.05mm=50.15mmফ¥¦§ᘤḄÕÖX=50×ᐳ0.5mm,[×ḄWX=0.01mm,ÕÖXÙÐᑮÚÛ×ᑣᙊḄ¨©=D=5.5mm+19.5x0.01mm=5.695mm(5.693-5.697)(2)3¨@ᵯpEḄᵯq=4V,!"°±Ḅᵯc⊤=15V,´ÜᜧÝᔠ〉ᵯ@⊤A1Ḅᑁgh,àᨵ·kᵯRo=80Q,3ὃ⇋ᦋä6ᵯc⊤´=Uv=஻M+&)=5V´åᔠ〉ᦋäæçᵯḄᨬᜧᵯ@=4/mmaaxxX——A=40mAwoᵯ@⊤A2Ḅ´100mA,¨ᙠçᵯ/ᢣ┐ḄnÕëX[ᦋäæḄᵯc⊤çᵯÃὶæḄjᵯ@«=80mA,ᑣᵯ@⊤AX100mA)ᙠ¼/ᢣ┐nÕíåᔠ〉µᘤRi(10C)î[ïçᵯk100C,=½⁚Áð%Ḅñ5ᦪᑣsᵨᘤḄᑖc<tᵯ*᝞*ᡠD

48R஺(3)ভ᪷ᡠḄᵯᳮ3hçᵯḄᵯc=u,.S)çᵯḄᵯ@=ᵫóô·õᵯ·õ35çᵯḄk=s=ὶöK5ᵯ᳛=_ø஺2/1(4+4)P-4L(/-A)236.ùåúḄûüýüþ◞ᐭᑴᡂᵯ஺ᵯḄᵯ(IV),ᑁᜧ(300஺)஺ᵨᑡ"#Ḅᘤᩞ&'ᵯ()*+,-./ᵯE0ᑁ)A.B.2Ḅ34054ᔜ᪷C.ᵯ8⊤A1(/:3.0mA,ᑁ100஺)D.ᵯ8⊤A2(/:1.0mA,ᑁ஽=300஺)E.=>ᵯ?(>@=600஺)F.ABᘤR(0-500Q)GCᐵஹFGHI/|/mA4.01.0/ymAপ᪷KLMḄᘤᩞ&'./ᵯE0ᑁᔆḄ*Oᵯ()᝞QᵬᡠTU᪷KQᵬᙠQWXY*ᱥ[G(2)*O./\]^ᦪK)ᵯ8⊤A1ḄTᦪ`/bᵯ8⊤A2ḄTᦪ`c\Wd4BᓄḄQf᝞QgᡠT)᪷KQfhi)jᵯḄᵯE=V,ᑁᔆ=Q,

49ব⌕ᑁm)hnoA.34054pqrsB஺34054ᐭtsC஺34054uvsூxᫀ௃1.2300ABூ{᪆௃ூ}{௃(1)[11.᪷Kᵯ(Q)[~*ᱥQ᝞Q஺ফফ[3].᪷Kᔠᵯ(=)hi12(R0+R2)+(L+12)r=E᦮ᳮiÖ3©ᔠQiP—=4X10-3Aজr-22——2——4ঝ=rὶজঝi:E=1.2Vr=300Q(3)[4].᪷Kᵯ=ᨵR=p*hᵯdḼLḄmm)dḼSḄᜧᜧ)ᦑ⌕ᑁm,3hnᵨABᦑ⌱AB஺37.ᙠ“¡¢£ᱯឋ¦G”Ḅ*O)ᡠ⌱ᵨḄ*Oᘤᩞᨵ

50A.RST“2.5V0.2A"B.ᵯ⊤0~0.6A~3Azᑁ@Ø~C.ᵯ4⊤0~3V~15Vzᑁ@Ø~D.[\]@ᘤ“2A20஺”E.ᵯÚz³⁚ÜḄÝᵯÞ~F.ßᐵF"áµâÝ1ãßᐵäᔠ*"x[\]@ᘤḄ[ᱏæç£Izè“ê”ᡈ“ì”~í஺2îï"ã[ᱏPᔣêñ\*"ᵯeḄᵯ⊤Ḅᦪ]zè“ᜧ”ᡈ“R”~஺3òóîïᵨᵯÞôᦪLᜐᳮᨵ÷ᨵøùúzè“ᨵ”ᡈ“÷ᨵ”~஺4ûLîïüýᦪLYwḄx;9þxḄ»ூ᪆௃ூᑖ᪆௃ூ௃11ᐵᔠᵯ⊤ḄᵯᨬᦑᘤḄᱏ!;

51(2)[2]AᱏP©ª)«ὶ¬ᑖᵯB)ᦑ«ὶ¬ᑖᵯ®m)ᦑᵯ8⊤TᦪB¯(3)[3]°ᵯ®±ᵨᵯ®⊤.\)ᦑ²ᵯ³´ᦪµᐵ)ᡠ¶·ᨵ¸¹¯(4)[4]¡ᵯdᵯ8ᜧ(ᡈ»¼ᓣ¾)ᜧ)ᦑ⌱C஺38.᝞QᡠT¿᧕]ᵨᵯ⊤Ḅᵯ(Q஺QE±ᵯ)&ஹR2ஹR3ஹR40Rs±=>ᵯ)ᐸR3=20C,RoABᘤ஺⊤ᜮGḄÄÅᵯ8I°=250jiAஹᑁr°=600C஺AÆ0BÆᑖDzÈ⊤ÉÊ[)j]ᵨᵯ⊤ᨵ5ᢱÌ)ᐸÍ8ᵯ8ᢱᨵ1mA02.5mAÈᢱ஺./]ᵨᵯ⊤ᑁᵯᵯ0ᑁ,ÎᜓᨵᵯÐR(ᨬᜧ>99999.9஺)஺(1)ᵫ¶LᩩÔhÕ\=>ᵯRi=___஺ஹRÖ0ফØ⌱ÙCᐵ²“3”Ê[)AR6ḄAᱏᑮᨬÆbᜐ)ØÈ⊤ÉAஹB~ᙠᵯÐL)ÜÝÞ⁚ᵯÐḄ>R,`àáâ>R0ãäḄ⊤ᜮTᦪI஺ᙠᙶ᪗çL)¶Rèᙶ᪗é)¶êᙶ᪗é)ë`àᔜ^I0Rᙠᙶ᪗çL)ìA[~)ᡠiQfᩩáÝíîḄÍG஺.iᐸï᳛kஹêñpb,ᑣ]ᵨᵯ⊤ᑁᵯḄᵯ0ᑁᑖÇ0(ᵨkஹb0óᦪK⊤T)ூ#᪆௃ூ&#௃(1)[1][2].⌱ÙCᐵ²“1”ஹ“2”Ê[ôᵯ8⊤)/:ᑖÇ2.5mA01mA஺᪷Kõஹ«ὶᵯ(ᱯîᨵ0%4-/=1mA0+'2ὶ{i&*80஺a=120Q0(2)[3].⌱ÙCᐵ²“3”Ê[)/:1mA,᪷K«ὶᵯ(ᱯîhKஹ4õὶö²⊤ᜮ«ὶḄ÷ᵯÜÝᵯ³Ḅᵯ8ÜÝ⊤ᜮᵯ8/Ḅ4ø஺᪷Kᔠᵯ(=ᨵ%=4/(ᔆ+ᵨ+ᵨ+/)

52Bù144@+/?3+ᔆú1=—1\H-------------------------------IEEᵫûhèéR,ᑣêᙶ᪗é[4][5].ï᳛%,Eêñp40+ý3+ᔆúCZ-E{ik39.âþᵨ᝞QᵬᡠTÿᙢḄᐝᵯAஹBᐝᵯᘤᳫᐝ1ᵨ᪗ᓱ#$ᳫḄ%&'ᦪ᝞*+ᡠ'ᑣᳫḄ%&d=mm2.ᳫ/☠12ᢱ4ᵫ☟789ᐝᵯᘤᳫᐝᵯA:ᐝᵯBᡠᵨḄ;ᐝᵯ;Ḅ?@h,ᑣAḄg=BᵨAḄᱥᳮ$ḄEF⊤'H஺3JᐝᵯᘤᳫKᐝᵯḄ;ᦋMᳫNᐝᵯAOPᑮᐝᵯBᡠᵨḄ;RᢝᐝᵯBḄTᐝᵯ;Ḅ?@hZᳫNᐝᵯAOPᑮᐝᵯBᡠᵨḄ;t,[=--f*\᝞*]ᡠ'^*t\_᳛ḄabcMk,ᑣ*\deḄfghiMjᙢḄMj.2C,]ூlᫀ௃11.4----ᳫᐝᵯBḄ2k2;pூq᪆௃ூsq௃1t]ᵫ*'᪗ᓱ#vᐸ'ᦪM

53d=llmm+4xO.lmm=n.4mm(2)[2]ᳫ34ᐝᵯ6Ḅ789ᳫ:;ᵫ=>?ᵫ78@ABCDvH=2ghD,21(1ஹdfIIP=------------24g8(3)[3][4]ᳫFGHḄ@ᑮᐝᵯ6BḄ@JឤLḄᳫMN34ᐝᵯ6Ḅ78J1LḄᑣᨵ.I2h=VBt-^gr᦮ᳮDhI-TᑣUVWXYḄZ[⊤\ᳫ34ᐝᵯ6BḄ78VBUV]᳛Ḅ_`a9t,Ik=28Dg=2k40.bcd;efgh1ijkᵯlmn9hẆpnḄ?qrᙠnt☢v1w4ᵯxᡭHzᘤḄ{|஺᝞Uᡠ\9lmDᑮḄ1{|ᵯxᡭHzᘤᵨ20HzᵯzᦪHᨵHᨵᩭᐸAB=2.50cm,BC=4.00cm,CD=5.50cm,ᵯxᡭHzᘤM◞ᡭ1NHzᦪHḄ◞JnḄ78ᜧ9____________m/s2o*£*J?ூᫀ௃0.050.200.375ூ᪆௃ூ௃][2]ᵯxᡭHzᘤᕜ90.05s,ᵫzᦪHᨵHᨵᑣzᦪHḄ◞90.20s

54[3]᪷⌲¡¢nḄ78a=3=650-2.50-10§=஺3751^2T22x0.2241.b¨᜜ªfᵨ᝞Uᡠ\Ḅlmg«¬m®¯°k±ឤL²³Ḅlm´⌕¶·§Aஹᵨ¸᪗ᓱ/»¼½¾¿ᳫÀÁdBஹᳫᵨÂÃÄOHᵨÅ8/»¼½¾¿ÄHOᑮᳫÆḄ[Ç1CஹᳫÈÇÉÀ@ᵫ☟ËFGc»¼½¾¿ÂÃWÉÀÌᔣḄᜳÏ0Dஹᳫ᤮ᑮᨬÑH34ᐝᵯ6ᐝᵯzᘤ(UÓ);¾¿ᳫw4ᐝᵯ6ḄAtEஹᦋᳫFG@ÕÖCஹD×NFஹᑖ᪆ᦪm®¯°k±ឤL²ØÙÚᑡÜ⚪§(1)¶·A¸᪗ᓱ/\ᦪqr᝞ÚUᡠ\ᳫÀÁd=mm(2)lm¾¿᝞Ú⊤Ø⊤ᦪ⊡ᐙà᦮(⊤vJᳫ34ᐝᵯ6Ḅ78010°20°30°40°50°60°COS00.980.940.870.770.640.50At/ms18.09.06.04.63.73.1v/ms-10.541.09জ________2.132.653.16v2/m2s-20.301.19ঝ___________4.547.029.99(3)bcd9háV?-cosOUâ᪷¾¿⊤Ḅᦪ«¬hãᑖäHØ⊡ᐙà᦮½áV?-COS0U

55x()(4){ᡂ}~<ᑮḄOᑮᳫḄg1=ᦪjm(Rᶇ>Tᨵᦔᦪ)vᙢM9.8m/s:ூlᫀ௃9.801.632.66ூq᪆௃ூsq௃(1)t᪗ᓱ#Ḅ#ᦪM9mm,᪗#16:#~jbᡠ᪗ᦪM16x0.05mm=0.80mm,ᡠᨬᦪM9mm+0.80mm=9.80mm(2)ফ᪷᩽¡;ᑁḄ£ᙳ¤¥¦§=ᳫᐝᵯḄMd9.80x10-3v-1m/s=1.63m/st6.0x10-33ᑣᨵ:v2=2.66m2/s2ব4ᐜ᪷⊤ªḄᦪ«¬[=v2-cos0*x᝞*:

56(4)[5]ᵫv2-COS0Uâ¢DUâ]᳛Ḅ_`a9:10-0=201.0-0.5⌕m®¯°k±ឤL²ëìíî:12mg(/-/cos0)=mv~ᓄô᦮ᳮ¢D§v2=2gl-2g/cos0ᑣᨵ§2gl=k=20D§I=1.0m42.(1)ᵨ¸᪗ᓱ/»¼ᳫḄÀÁ᝞Uᵬஹøᡠ\.»¼Ì¡ùúḄJ(⌱ü“ᵬ”ᡈ“”).(2)ᵨᘤḄᦪmm.(3)ᙠ“ᵨᡭᘤ!"”Ḅ#$%&'ᵯ)⚣᳛50Hz,ᡭ12345᝞7ᡠ.459:2;ᦪ<Ḅ=!">=—m/s.ூDᫀ௃ᵬ6.7000.36ூJ᪆௃ூᑖ᪆௃ூMJ௃(1)OᳫᓱᙠR᜜TUVWXYZḄ[ᵬ.ফᘤᦪ6.5mm+20.0x0.01mm=6.700mm(3)᪷`ᒴb!cdeḄfgh<459:2;ᦪ=!":j_(3.52+3.68*10-2m/s=0.36m/s2T-2x0.1043.qrsẆuvwxḄyzᱯឋ}cᡠ~ᵨḄᘤᩞᨵ:vwxL(ᵯ3.8V,ᵯ'0.32A),

57ᵯ®⊤B$¯3V,ᑁ°M3kO,ᵯ±⊤AB$¯0.6A,ᑁ°²0.5C,2cᵯ°&B°cMIkC,´PU°ᘤRB°c0~10Q,ᵯµEBᵯP¶5V,ᑁ°·H¸ᐵS,º»^¼.1⌕§¿ÀÁᙠ0~3.8VḄÄᑁbÅÆḄᵯ®«¬$J*ᵬᵯÈ⊡Ê{᦮%LR,sE2AÌÅÆÍÎᱯឋÑ»᝞*ᡠ'ᵫÑ»vÒḼᵯ±ḄÔÅÆḄᵯ°JB.⌲×ØC.ᐜÔᜧ}

58L0E஺ூlᫀ௃A1.50.40.283Eூq᪆௃ூsq௃íî◤⌕ᵯ±Nð¸ñæ⁚íëòóᵨ´PU°ᘤᑖ®ÙõöíÅÆᑁ°ᵯ±⊤ᑁ°Ù÷,ᦑòóᵨᵯ±⊤᜜Ùõöà᜜M᡽ᜧᵯ®⊤$¯òᵨ:ᵯ®⊤üὶᦑþᳮ*᝞*ᡠ'E(2)[2]/-U*\ª*\Ḅ_᳛⊤'ᵯ°Ḅ᎔ᦪᵫḄ᳛ᵯḄᜧᦑᵯᵯḄᜧᜧᐸḄᵯ᳛ḼᵯḄᜧᜧA.ᑖ᪆"#ᦑA$%B.ᑖ᪆&#ᦑB┯(

59C.ᑖ᪆&#ᦑc┯(D.ᑖ᪆&#ᦑD┯(ব+,$-./0Ḅᵯ1:[J3Q/?=—=-^Q=11.8Q10.32ᑣ4ᵨᵯ⊤7⌱9:;ᢱḄX1ᢱᵫ=4ᵨᵯ⊤ᐸ=ᦪ115C(4)[4]>ᵯ?ᑁAB᜜ᵯDᵯ0ᵯ?ḄEFG᳛ᨬᜧᵯ?ḄᨬᜧEFG᳛1:[5]I0,Ḅᵯ1JE/=—=0.2A2rᵫI0,ᵯ1JU=1.4VI0,ḄG᳛1Jp=஺/=1.4x0.2W=0.28W[6]I0,Ḅᵯ1J&=4=7QNOPᘤRRᐭᵯDḄᵯ1:R=r—R=3QL44.TUVWᨵYZ[\]^Ḅ_ᔂaPᘤ᝞ᡠ=dPᘤefghᳮjPᘤ஺klmnopqḄrstsuᙌwᦪJᐜᙠzᔠ|}Ḅ~|ᜐ100wᒹuuᳮjᵯ⊤᪀ᡂzᔠD஺3(1)ᙠtsuᙌḄRu~Eᐭ12Vᵯᳮjᵯ⊤=ᦪ160V,ᑣtsuᙌḄwᦪ1________wᙠrsuᙌḄRu~Eᐭ12Vᵯᳮjᵯ⊤=ᦪ130V,ᑣrsuᙌḄwᦪ1_______w஺(2)rsuᙌRuRᐭḄPᵯ0⊤a1u=311sinlO(hrt(V),ᑣtsuᙌRuR"Ḅᳮjᵯ⊤Ḅ=ᦪ1Voூᫀ௃200400110ூ᪆௃

60ூ௃(1)[1][2].ᵫᳮjPᘤḄᵯwᦪᐵ¢5_2U42tsuᙌḄwᦪ1=—஻="x100=20w■U60rsuᙌḄwᦪu12n.=~஻=—xlOO=4Ow1U30(2)[3].ᵯ⊤Ḅ=ᦪ1ᵯᨵᦔ¤dPᘤrsஹtsuᙌḄwᦪ¦121,ᵫUn22tsuᙌRuR"Ḅᳮjᵯ⊤Ḅ=ᦪ1U0V.45.klmᵨ᝞ᵬᡠ=ḄTU¨©kopᩈᙽᩈ¬O᥅¯ᦪJᩈ.45--------------------------------------------\K21ABCDE4ṹᡭᘤ-j_i——I—i-----1IIIIIIIIIIYYYYY•YI9.5011.0012.5014.00(ca)প²ᡭFḄ´µ¶W⌱F·᝞ᡠ=ḄYᩩµ¶~AஹBஹCஹDஹE¹º»Ḅ¼᝞W᪗=ᐸW¾"¿»Àᨵ4ÁÂ0»ÃÄF஺ᡭ»Â0ᘤḄᵯ?⚣᳛50Hz,᪷ÇopÈÉÂÊJᑣᡭC»0µ¶ḄËÌᜧ1m/sµ¶ÍOḄÎËÌᜧ1m/s2(ÈÉÐᶇ3ÒᨵᦔᦪÓ)o(2)ÕÖ(1)o×ᩈᙽḄÎËÌ1a,Ào×ØṹÚᩈᙽḄÛpᑖÜ1mÚM,Ý>ᙢßàÎËÌ1g,ᑣO᥅¯ᦪp=omg-(m+M)aூᫀ௃1.18m/s1.50m/s2஻Mgூ᪆௃ூ௃(1)[1][2].µ¶~"¿Âᦪ»Ḅ0◞1T=0.10s,âSi=9.50cm>S2=11.00cm>S3=12.5cm,S4=14.00cm,ᡭC»0µ¶ḄËÌᜧ1s2+$3%=-----------2Tãᐭᦪ¤×v=1.18m/scÎËÌ

61,_q+4_(%+⎃)2(S|+&)2224T2ãᐭᦪ¤×a=1.50m/s2(2)[3J.äᩈᙽஹåṹæÚåṹçᡂḄ¢èᵫéêëìíî×mg—pMg=(M+m)a×mg-(m+M)a஻=--------------Mg46.klmᵨᵬḄTU¨©Uñòóôõឤíî஺Ý>ᙢßàÎËÌ1g஺*_øYᵯù|ஹúᙽ_____ᐝᵯüA■ᵬ!"cm0510ý(1)ᵨþ᪗ᓱᙽḄd,᝞ᑣ1=—cm஺(2)ᵨᵯᔾᙽᢝᙽ☢!☢!"஺ᵨ#$ᙽᐝᵯ&Ḅ'$(h஺(3))ᵯ*ᵯᙽᵫ☟-./012ᙽ34ᐝᵯ&Ḅ56t=3.20ms஺ᑣᙽ34ᐝᵯ&5Ḅ7$v=m/So(4)ᦋ9ᙽᐝᵯ&Ḅ'$(h,:;<=(2)(3),2ᑮ?@ᦪB஺(5)ᑭᵨDEᦪBFGv2-hH஺Iv2—hJKLᩩ4NOḄPJQPJḄR᳛k=—,ᑣTUᙽ014VWXYZ[ឤ஺(ᵨ⚪W_GḄᱥᳮbc⊤e)ூhᫀ௃0.963.02gூk᪆௃ூmk௃(1)[1].ᵨn᪗ᓱᙽḄd=0.9+0.1mmx6=0.96cmo(3)[2].ᙽ34ᐝᵯ&5Ḅ7$d0.96X1Q-2V3.20x10-3m/s=3.0m/s

62(4)[3].ᵫ,ag/z=m/,ᑣv2=2gh,ᑣ1Ḅv2-h7Ḅ᳛2g.47.ᙠu!"ஹḄᐵ#$%஺(1)q¢rsᵨ᝞7ᵬᡠ£¤¥ᵨ¦ᑴbḄWXᩭẆuv©ªbḄ«¬v©Ḅ!"v©®ᑮᔠḄᐵ஺ᑡ²³%ª◤⌕jªYZḄ[;A.·⊝᥅ºḄWX»[ᙠấṹ½%¾¿ṹ~v©Àᒴ!ÁeB.ÂÃᦋbÅv©Åƪ◤⌕ÇÈ·⊝᥅ºC.#$%É:ᙠ¿ṹ½%¾¿ṹᩭᦋbv©®ᑮḄÅD.ÂÃv©Ê⌕Ër2̤ÍÎdeE.#$%ÏᐜÑv©ᯠÆÓÍᡭᘤḄᵯ)ᵬ(2)#$~ᵨ⚣᳛50HzḄ&'ᵯ)<ᑮḄ2ᩩ45᝞7ᡠ஺ËÕÖ×ᨎḄÙÂ4ÚÛ2ÚᦪÜ1Ü2ÚᦪḄVÝs=3.58cm,Ü3Ü4ÚᦪḄVÝs'=4.71cm,Þv©Ḅ!"ᜧva=m/s2(àᶇRÌᨵᦔᦪã)஺ூDᫀ௃ADE0.88ூJ᪆௃ூᑖ᪆௃ூMJ௃(1)[1]AB.·⊝᥅ºª[ᙠấṹ½%¾¿ṹä[É:å⁚çè~ÇéᩈèWᔣḄᑖëì᥅ºᓽmgsinO=/.imgcosdhîïᣵm,ñ◤⌕·⊝2Ã᥅ºᦑA┯ôõᔠ⚪÷BYZªõᔠ⚪÷C.#$%É:ᙠ¿ṹ½%¾¿ṹᩭᦋbv©®ᑮḄÅᦑCYZªõᔠ⚪÷D.#$%ÂÃv©ª◤⌕Ër2̤ÍÎdeᦑD┯ôõᔠ⚪÷E..#$%ÏᐜÍᡭᘤḄᵯ)ᯠÆÓÑv©ᦑE┯ôõᔠ⚪÷ᦑ⌱ADEo(2)ফÂ4ÚÛ2ÚᦪᑣRÚùúᦪḄVV◞T=4x0.02s=0.08s᪷`2S3=2aT<

63$3-4a=2T22T2sᐭᦪuk2a=0.88m/s248.vwxyzᙽ{ᩈ}~6Ḅ᥅ᦪ.᝞ᵬᡠe⊤☢ஹLᨵzḄᩈ}ᙠ!DEᩈ}ᨵLzᙽzᙽLzṹ{ᘤ34ᙠzḄᩈ}!"¡.ṹzᙽᙠᩈ}¢ᒴ¤7PJ¥¦§ᶍzḄ᥅©.জDE./«ᡭO5ᘤ®¯ᙠ___________¦±“³´ᵯµ”ᡈ“P´ᵯµ”©.ঝ᝞Kv¹DE2ᑮḄº»S1ஹS2¼º»W½¾¿ᦪO6ḄÀÁ¿ᦪO56KT,ᵫÂÃÄ2ÅḄ¤7$ᜧK¦ᵨ⎃ஹ”ஹT⊤e©.ঞᦋ9ṹḄᦪ2ᑮÉwḄᘤeᦪFþN{zᙽ¤7$am/s2,:;DE.ÊFKËÌaKÍÌ2ᑮḄH¼ËÌÎÀᜧÏÐbÑÒK0ḄLᩩRPJ᝞Óᡠeᑣzᙽ{zḄÔÕK_______________kgzᙽ{ᩈ}~6Ḅ᥅ᦪ஻=.¦Ø:¤7$KgC-COூhᫀ௃³´ᵯµÙG>2tan0--ூk᪆௃ூᑖ᪆௃ᵫ⚪W“zᙽ{ᩈ}~6Ḅ᥅ᦪ”Ã2Û⚪ὃÝ᥅ᦪDE᪷BᡭO5ᘤᦪBᜐᳮஹàáâãä{ᐵDEæFçèé⚗Ãᑖ᪆Û⚪஺ூmk௃জপᡭO5ᘤ®¯ᙠ³´ᵯµ;

64ঝ[2]᪷Bíîx-x=(m-n)aT2mnÃ2ঞ[3]ᵫÃïzᙽðᑮḄKᘤeᦪḄ½ñᓽT=2ózᙽᦈᑮḄ᥅KfiMgᨵàáâãäÃ2T-f=Maõ2GF¤7$aḄöᦪᐵ÷îKMpMgF=—a+—~—22ᵫHᡠ_øùÃ2HÎÀKb=,2úHR᳛K,Mk=—2õ2GM=2k=2tan0[4]õ2GbH=--------gtan஺ூOû௃Û⚪:O¼ὃÝxüDEýþZÿᵨᜐᳮᦪḄ⚪ᑖ᪆Ḅᫀᦪᱥᳮ"#஺49.%&'()*+,)ᵯ.RḄ./01%30஺2஺ᨵ45667ᘤᩞ:;⌱=஺ᵯ>⊤Ai0*@0~50mA,ᑁ.112Cᵯ>⊤A20*@0~3A,ᑁ.10.120ᵯB⊤Vi0*@~3V,ᑁ.Cᜧ2EᵯB⊤V20*@0~15V,ᑁ.Cᜧ2ᵯFE0ᵯGH1%3V,ᑁ.1%0.2஺2E/ᵯ.R50Q,ᐕJᨬᜧᵯ>2.0ALGM.ᘤRi010஺ᐕJᨬᜧᵯ>2.0A

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76(1)᪷êᵬ}¶ᵯëᙠneᵨìí;îïð;}ᱥXñò᦮_____;(2)/öXñᵯëmDÁSiஹS÷⁚ùfᵨᵯ⊤Ô⊤ìñúûÔḄñ;ü/öýþmÿᵨxlO2oḄ᳛ᐸᵯᢣ┐ᢣ᝞ᑮRx=Q(3)ᑡᙢR,Ḅজ"#$%ᘤḄ#ᱏP()ᵬ+ḄA,஺.ᔠS”"S20)1,(⁚%ᘤḄ#ᱏP)23456ᵯ7⊤Ḅᦪ:;<ঝ>?S”(⁚ᵯ@Ro,6ᐸᨬᜧ<ঞ"S20)“2".ᔠ$,Fᢝ%ᘤ#ᱏPḄ45H%(⁚ᵯ@Ḅ6ᵯ7⊤IJ:;KLᵯ@ᦪMR”ᑣRk»(4)ᐵPQRSজᙠ(3)ঝḄ+UVHWXYZᙠঞ+⌼ᡂ<ঝM]^_RS`abᑡcdᨬXeḄf.(ijkᫀ᪗n)A.⌱ᵨqrH%ᑁtᜧḄᵯ7⊤B.⌱ᵨqrH%ᑁt_Ḅᵯ7⊤C.⌱ᵨuᵯvᜧPR*Ḅ#$%ᘤD.⌱ᵨuᵯv_PR*Ḅ#$%ᘤ240QR]ᵯ7⊤w;xyzCூ}᪆௃ூᑖ᪆௃

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88পপফnÌᐝḄↈᱏJᢱᐝᱏ%ÏÐᘤKḄÑÒᐝᵯeÏÐᘤP(2)[3]DḄÁhõÁ%ᳫḄwx)*õᜧ%ᳫḄG*õ%ᡠ`ᳫḄwx)*EpஹG*Ekஹ¡*EÓᳫDḄÁhÔᓄᐵ:ḄᑖÖäஹåஹᵬP(3)[4]“ᵨDISẆ²¡*Hឤ³´”%!ᵬ&'%ᙠtçᐕéḄëᑁ%íᨵwxhîḄïðG*wx)*ÝñYᓄ%ᳫ¡*òᢝnÔ஺68.¸¹®ᑭᵨᡭᘤ÷²øÓÔᓄḄᐵ:%ᡠᵨùúᵯḄ⚣᳛.60Hz,5.¸»C'ᑮḄºᩩḄºýᑖ0ஹ1ஹ2ஹ3ஹ4ஹ5.þÿᦪᦪᨵ2ᡭ஺Si=5.21cmஹS2=5.60cmஹs=6.00cm>s=6.41cm,s=6.81cm,ᑣᡭᘤᡭ34sᦪḄ◞sḄ!"a=m/s2ᡭᦪ“5”Ḅ!"ூ$᪆௃ூᑖ᪆௃ூ($௃)]ᵫ⚪-ᦪᨵ2ᡭᑣᦪḄ◞T=3XL=0.05S60[2]᪷/ᒴ1!2345Ḅ6789/Sx=aT2:;<!"Ḅᜧᑣᨵa=Ss+s/2f=1.61m/s2[3]᪷/ᒴ1!2345>>Ḅ!"?@ABC>ḄDᙳ!"ᑣᨵS4+556.41+6.81x10_2m/s®1.32m/s%2T2x0.05ᑣᡭᦪ“5”Ḅ!"v=v+dT,40m/s5469.FGH⌕JKLFMNOPḄᵯR᳛஺(1)ᐜᵨVᵨᵯ⊤xlᢱYᐸᵯRᢣ┐]^᝞`ᵬᡠcdᦪeQ,ᯠgᵨhijᘤᐸ2k᝞`lᡠcdᦪemm,ᨬgᵨnoᐸp"᝞`qᡠcᐸdᦪcm஺

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90R,1—1KR11Kூᫀ௃110.60()60.10ACDFHL0.14Rஹ02.40-■ᵨ%ூ/᪆௃ூᑖ᪆௃ூ1/௃(1)[1]NO⊤ḄQᦪG⊤RSᦪT᳛ḄVWᡠYᙊ[\]Ḅᵯ"ᜧ`GR=llxlQ=llQফbcdeᘤḄQᦪGfgD.Ḅhiᦪj9D.ḄnxO.dmmḄkᵫmSbcdeᘤjnᐸ6pG0.5mm+10.0x0.01mm=0.600mm[3]᪷3iqQᦪrᳮjniqḄQᦪG60.10cm3(2)[4]tuvᵯ"wG11Q,ᵯxyᵯ9zG3V,{|ᨬᜧᵯ~wA,ᦑᵯ~⊤⌱C,ᵯ⊤⌱Do[5]dᵯ"95"ᘤᵨ▲~⌱ᵨ"5ᓄLḄFᓽj஺ᵫCீᡠY⌱ᵨᵯ~⊤᜜ᵯ|m᝞mᡠS[6]ᑭᵨdḄᵯ~ᜧ᪷3

91:ËNOPᵯR©ḄL©§¨©]஺ÌÍᵯ⊤⌱ᵨLC0.6A,ᑖ"©e0.02A,ᵯe0.14Aᵯ⊤⌱ᵨLC3V,ᑖ"©e0.01V,ᵯe2.40V(3)[9]ᮣÁᵯcᦪeÅÎÏᐸÐᵯÑ?:Ë&_8$Ë0_RR()270.rᵨ᝞`ᵬᡠcÒÓLᩈᙽÖᩈ×5᥅ÙÚᦪÛ}ḄᘤᩞᨵxÜḄpᩈ×ᨵÝÞḄᩈᙽßLe20gḄàṹâãᡭᘤᵯäå3?.>Âæᑖàṹçᢞᙠå3{ᒕêḄàṹëᙠᩈᙽḄÝÞ>ìᢝpᩈ×îDᑭᵨᡭḄLᩈᙽḄ!".a/(ms,>ð70二「;±1J—-士r二"ᵬ/»/(-10kg)qbYrrYrL0123456-9JT中-JJ!**!*•¨©:cm!r-rTrrr三二TAj—150—*IJr-------------------8.20(1)þKvÿᑮᩩ,ᨎḄᡭ,᪗0ஹ1>2ஹ3ஹ4ஹ5ஹ6,ᑖ0ᑮ3ஹ6!Ḅ"#᝞%&ᡠ(.*+ᡭᕜ-T=0.02s,ᑣᩈᙽḄ1232=________m/s2.(2)4ᩈᙽ567Ḅ8ṹ⌲;1ᑮ<=>?ᦋABᢞ8ṹḄDEFm,GHḄ123a,a-m%I᝞%Jᡠ(.*+KᙢMN123g=9.8m/sz,ᑣᩈᙽOᩈP!Q᥅STᦪp=(WᶇYᨵᦔᦪ\)^MḄF________(⌱b“ᜧe”“ge”ᡈ“ie”)j_kTl_________________________(ᑏᓽp).(3)7(⌱b“◤⌕”ᡈ“s◤⌕”)tuBᢞ8ṹDEFvgeᩈᙽw678ṹDEF.ூyᫀ௃(1)3.33(2)0.320.36ᜧe|}O~ஹ<=!ᨵ᥅SOᡭᘤ!ᨵ᥅Si(3)s◤⌕ூ᪆௃(1)*+ᡭᕜ-T=0.02s,᪷⌲pᩈᙽḄ123^6-^3_(8-20-3.50-3.50)xlQ-2=3.33m/s29T-9x0.022

92(2)ᩈᙽḄEFM,᪷ᨵmg-f=(M+0.02)a,f=+0.02-m)g,ὶp1234=1-஻g'ᵫJ%p+Km=0a=஻g=3.3m/s2ᑣᩈᙽOᩈP!Q᥅STᦪji=0.34,T|}O~ஹ<=!ᨵ᥅SOᡭᘤ!ᨵ᥅SᡠF_ᜧej_.(3)7ᨵᵨ<=NieMNᡠs◤⌕tuBᢞ8ṹDEFvgeᩈᙽw678ṹDEF.71.᝞%ᡠ(gᵨ“123ONஹEFḄᐵ¡”Ḅ¢£¤“¥¦Oᱥ¨23AᓄḄᐵ¡”Ḅªg«ᙠṹwᡲ¯Ḅᱫ±>²Q³F<´N¥¦Og«23AᓄḄᐵ¡஺ᡲRk(1)¶ᜓ¸ᡭᘤ¹ºᝅḄᵯ½ஹ¾=ஹஹ¿ᑏ¹᝞%ᡠ(Ḅᘤᩞ஺Á⌕ÂᡂÄÅ◤ḄᘤᩞÆᨵᐸ7Ḅ.(2)ÈᑮÉ⊝᥅SNḄËḄÌ><´wᡲ¯ÍÎÏ⁚ÑᱏḄᦋAÓᩈPÔÕÖ3᪷ᡭḄᑨØg«lᔲ¥_______²Q஺বᐜÏ⁚ᩈPÜ|}ḄÝ3ªᱫ±g«Ḅ<´OᩈPɤ஺Þ᪵¥ḄËḄl(b\àáâ)஺A.ãäg«Ḅ²QÎÖ7åæᢘQB.pªᡭᘤᙠÜᡭḄèᨎC.pWég«ᨬëìíîᒴ2ð=²QD.pᙠÉ⊝᥅SNñª<´Nieg«òḄᔠNூyᫀ௃ACᒴ2ð=Dூ᪆௃ூô௃(1)[1].᪷õḄkᳮlᔠ᜜Nᡠ¥Ḅ¦ieQìḄAᓄFÍÎẆᩭẆg«Ḅ23,ᑭᵨᜩÉFg«ḄEFᑭᵨṹḄMNáüg«Ḅᔠ᜜Nᡠ◤⌕ý3þᩭFÜḄ"#wᵨᜩÉg«ḄEFᓽÆ◤⌕ý3þᜩÉ(ṹ)ᦑ⌱AC.(2)[2].ᑮ⊝᥅ḄḄᡲ⁚ᱏḄᦋᩈ!"#᪷%ᡭ'Ḅ()ᑨ+,-.ᔲ0ᒴ234567(3)[3J.89":;<=>?@89ḄAB#Cᐜ⁚ᩈEFGHḄ@#IᱫK,-Ḅ

93MᩈNḄ.O◀᥅)ᩭḄ=>ᓽ⊝᥅SIḄTUV,-ḄᔠᦑABC┯=DZB.72.᝞]ᡠ_“abc2#MஹefḄᐵh”89jkᦪmᓄophqrst,-c2#aMuṹḄefk,-wṹḄefxyᐵh].uṹḄefz,-wṹḄefm2,{c2#g.(1)ᑡ}~ZBḄ..A.ᙠ,-Ec;wṹy{⊝᥅B.89ᵨᡭᘤyᐜ,-SᵯC.89m2y,Vmi1D.ᙠᵨ]abc2#Mefᐵhya]m21(2)89⍡t⊝᥅⍝CfsᑮḄ——஺]᝞]¡]m2:34Ḅ!᳛k,ᙠ£¤EḄ¥¦b,ᑣ,-Mᩈ¨Ḅ6᥅©ᦪ஻=,uṹḄef=,(3)89:ᡭ'Ḅ()᝞]ᡠ_.®¯ᦪ¨Ḅ¨¨◞.0±s,]:#ᓫ.cm,ᵫ´µ¶·'ூ#᪆௃ூ&#௃(1)A.,-MᩈḄ¨Ḅ¸¹º»M,-Ḅef¼ᐵᡠ¶ᙠ½89:ᦋ,-Ḅef,¾◤⌕⊝᥅஺ᦑA┯=஺B.89yᐜᵯS,-஺ᦑB┯=஺

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9875.ÀÁÂᵨ᝞WᵬᡠYḄÄalmÅᙽÇÈÉ☢ËÌḄÍ᥅ÏtᦪÐÑ᝞d:0.05m1%ÔÕÔÖÖ×[0.1'020/1tl(1)ᵨØ᪗ᓱklmÛTÜÅᙽGḄÝᐝᩩḄàd=—mm,ᙠÉ☢Gᔠ〉`aÛT"âãᐝᵯäQᐝᵯäᦪåæeᘤ(Wè).(2)ᵨÅᙽéâãêëᑮÀD`almÅᙽᑮᐝᵯäḄíîx.ïðÅᙽlÅᙽGḄÝᐝᩩñÐᐝᵯäᡠᵨḄeÌt,ᑣeÅᙽḄòv=.(3)ñÐᙠÅᙽGóôõṹᩭᦋÅᙽḄømm,ùᵨÅᙽQâãêëᑮ(2)Ḅ`aú(2)Ḅ}~ºD0ᑡÅᙽømmñÐᐝᵯäeḄòvḄU᪷¨üýᦪU~v^m“Wþ᝞Wÿᡠ.ᙢḄg,ᵫᙽ☢Ḅ᥅ᦪ஻=_;%ឋ'()*Ep=.dbcbூ-ᫀ௃5.70mm--—Ep=~t2gx2aூ0᪆௃ூ20௃(1)[1].ᵫ34᪗ᓱ78ᦪ0.5cm+14x0.05mm=5.70mm(2)[2].ᙽ9:ᐝᵯ=Ḅv=9(3)[3][4],᪷?(@Aឤ12Er=/.imgx+—mvp᦮ᳮEv2=—2E-2/^gxmFᔠEHbEE=—plab-/.imgxEbM2gx'76.IJKLMḄNJ⌕PᵨRᵫSTUVWᙢg,XYᩭ[᝞]ᘤᩞH᝞ᡠḄ`a“c”efghↈᱏஹlmnoᐸ▬rஹᐝᵯstᘤ1ᝅ஺

99(1)᪷?wxyḄ◤⌕Ḅᘤᩞ{ᨵ(~)A.ᜩB.ᡭstᘤC.⊤ஹD.4᪗ᓱ7(2)◤⌕W@Ḅᱥᳮ@◀[“c”efghↈᱏஹ]ᑖḄdᑖḄL᜜(d«L),{◤⌕W@Ḅᱥᳮ@(ᱥᳮ@a⊤Ḅe)(3)ᵨ(2)Ḅᱥᳮ@e⊤wxWḄ⊤g=_0ூ-ᫀ௃D"c”efghↈᱏஹ]ᑖᑖ:ᐝᵯstᘤḄtL,1/a,\211/d,\222L[tJூ0᪆௃ூᑖ᪆௃ூ20௃(1)[1].¡wx¢£W@¤@¢◤ᜩᵨᐝᵯstᘤstᦑ¢◤ᡭstᘤ⊤◤⌕ᵨ4᪗ᓱ7W@“cefghↈᱏஹ]ᑖḄ”ᦑ⌱D.(2)[2].⌕Wᙢg,§£¨WE“c”efghↈᱏஹ]ᑖᑖ:ᐝᵯstᘤḄᦑ©◤⌕W@“c”efghↈᱏஹ]ᑖᑖ:ᐝᵯstᘤḄt(3)[3].“c”efghↈᱏஹ]ᑖᑖ:ᐝᵯstᘤḄdd©ªª2gL=v2-v,22E1(JYi(p--------2®¯2RJ77.INJ«¬H%Ḅ%ឋ'(ᐸ®¯ᦪᡂ±²ஹᐸf³@AxḄ´µ¶ᡂ±²ᓽ஽=60x)2

100ᐸ/b$±²³´ᦪᡂ0¶·Ḅ¸ᦪ஺&¹ºu»+@A¼½±²Ḅ±ឋ¿ÀÁ*Ḅᐵ´஺᝞ᡠᙠÂÃÄ☢ÅÆ<ÇÈÉMÊ˱²?ÌC)ÈÉMÊÍ஺Î᦮MÊ7ᙽÀᙠMÊÅÑᵫᒴÔ78஺ËᐝᵯÖÌCᙠ×±²>ÍØÙÚÛḄB<஺Ü87ᙽÁ±²Ýᔠ〉Ḅß×Dᵫ☟báÆ7ᙽ஺7ᙽ×3±²Dâ8KᐝᵯÖ஺K*ã»äẆ½Åæçè஺éᐝᱏ7ᙽêᐝᵯÖ[J"";"”:,";”":,/“”ë@A/ìí+*|A.7ᙽḄî*mB.7ᙽÅéᐝᱏḄïdC.±²ḄØ4D.Ü87ᙽÁ±²D±²LE.áÆ7ᙽDc7ᙽéᐝᱏKᐝᵯÖḄIJtF.ðñÅæòᑮôõ@Aᦪwᑖ᪆ᦪw÷Oø஺[+ᑡù⚪஺(6ûÇù⚪ᵨ@AḄᱥᳮ*ÿᦪb⊤)(1)ᙽḄ&=o(2)ᵫឤḄᨬᜧឋ$%%ᙽ&'Ḅ4()஺+ᐵ-ឋ$Ḅ./01234I(%-L)2=o(3)ᵨ67ᜐᳮ:;ᦪ<=ᑖ᪆@A2B&Ḅ67᝞6ᡠ஺E67FGᙶ᪗JKḄJLM________________o(OPᑏR•ᩩ)(4)+ᣚᵨVWXᦪYᜧḄZ:;267[᳛]஺(⌱P“F`”“`ᜧ”ᡈ“`c”)(5)+:;deBḄRfᦪ

101ூ20௃(1)[1].ᙽᒴ:ᐝᵯ=ᨵd=vtᙽ("12E.--mvk20E(2)[2].%ºᨬᜧ½¾¿Ḅᨬᜧ%ឋ'(E=b(L-L)2@p0ᨬᜧ%ឋ'(ᙽḄ(ὡÁ)0জঝE(4-ᶭ=Åঞ5)2bt2(3)[3].ÇÈᙠÊËᨵ±ÌÍ஺ᑣঞ(%-஺2=Å+°(cÌÍ)572bt2ᑣᙽḄ(L*%Ḅᨬᜧ%ឋ'(Ó⌕ÔᙽU:ÕÖ×ᡈÙÚÛÜÝ*ÞÜ஺(4)[4].ᵫঞÈḄß᳛“á஺ᣚᵨ®¯ᦪãᜧḄ%äwxᑣbãᜧᑣÈß᳛³2bL஺(5)[5].ᵫঞEmd20.05kgx(0.02m)2b=-----------z—=-----------------------z-----------z-=15.625N/m2(L-L\t22x(0.1m—0.08m)-x(0.045)-078.Låæ±ᙠçèᡃḄêë~ìåæឋ(Ḅíîᐸïὑ᪗ñòó⌕©ôõåæïὑ᪗ñᨬÓ⌕Ḅöᐸᙠ÷èᡠÖᑮḄùú×஺ûüXåæᙠÝ÷ýᡠÖᑮḄùú×f(þaÿ)⌕ᨵᐵ☢ᢗ☢Sv஺Ẇᕒᙠ!"#$%&'!(ᑮ*⊤ᡠᑡᦪ/

102R20P3g40P5g2Sin2'W126206^464^82312931860஺2.5஺258c58g1032e161#2324P36309஺69g1233193g2788஺3.5~361஺812~1445P2258஺3252P4643928஺1652஺2581஺3717஺জᵫxyᦪ

103ᙽÍÆᙠÉᩈÁx2=%ÎuÏÐᘤ(Ò2ÎuÏÐᘤzÓ;ᙊÕÖ⍝஺ÉᩈÁᙠ᜜ÙÚᵨÛᔣÝÞ2BᑮÎuÏÐᘤḄᦪF%àáÊ˾ᔣḄᜳã஺ÂḄᐵX6ä᝞6åᡠ(g^l0m/s2)o(lᫀᶇᨵᦔᦪ)E6idlradå(1)ᩈᙽᩈÁÂḄ᥅ÄLᦪ|1=;(2)ᩈᙽḄæm=kg஺ூlᫀ௃0.581.0ூv᪆௃ூᑖ᪆௃ூv௃ᩈᙽsç³uÚᵨ2èumgஹéᢝuFNஹÎuFஹ᥅Äuë2ìí¾ᔣᨵmg=FN+Fsin஺Ê˾ᔣᨵFf=Fcos0ᵫ-F=pFὶïBfNpmg=F(gsin0+cosO)`+"(sin0—r=^==+cos᜛tana=—᦮ᳮBpmg=F+sin(0+a)°8+a=90°'2Fᨵᨬcò2ᵫå620=30'Fᨵᨬcò2ᑣa=60ᡠô஺1tan60=RB

10445=0.583ফফ7᥅9ᦪ:ᐭpmg=F(pisinO+cosO)(F=ߟ2sin(8+60°)ᵫ=>?@A0=30'BF=10N,C(mg=10NᡠDm=1.0kg80.EF⌕GHIJᵯLM3mAḄOP⊤GᦋRMSTM30mAḄᵯL⊤஺UᐜWSXOP⊤GḄᵯ@ᯠZ[⊤\ᦋR@ᨬZ^ᑭᵨH᪗bOP⊤@[ᦋRZḄᵯL⊤\cWᐹe!fg᝞*জᢥᵯklᳮ>anopkঝGᵪḄstᑮᨬᜧ@vᔠxᐵSiZt⁚RiḄs@zOP⊤GḄᢣ┐J}ᑮI~ঞvᔠS2,ᢝX@t⁚R2Ḅs@zOP⊤GḄᢣ┐J}ᑮI~ḄᑖHḄট*R2Ḅs*ᑡ⚪(1)᝞ᢥfgW(R2ḄsM90Q,ᑣOP⊤GᑁḄWSsRg=_஺@OP⊤ᑁḄs@R____&(“>”ஹ"=”ᡈ“v”)g(2)£¤ᶍ!Ḅ¦§@G¨©OP⊤GᦋRᡂSTM30mAḄᵯL⊤@ᑣ◤⌕¬ὶHsR=—OḄᵯ(3)᪷/>bᡠ¯ᵯk[ᦋRZḄᵯ⊤\cW@A᪗bOP⊤Ḅ¯ᦪM16.0mAB@ᦋR⊤Ḅᢣ┐᝞>cᡠ¯@ᵫ°±D²WXᦋRḄᵯ⊤ST³⚜µs@ᦋRᵯL⊤ḄST³_mA(4)⌕¶ᑮ⚜µ·Ḅ@¸¹W(Ḅᑁs³ᔲ@»¼½¾WS@¿◤⌕GsMRḄᵯᣚMHsMkRḄᵯᓽ±@ᐸ#k=—

10529ூᫀ௃180<2032H27ூC᪆௃ூÇC௃(1)[1]ᵫÈᢣ┐ᢣᙠᑖHḄ@ÉÊR2ᑖ(ᵯLMᵯLËᵯLḄÌ@ᡠDᵯLËᵯ³R2ḄÌ@M180஺஺vᔠS2Z@R2RgḄ¬ὶsRM%ᡠDIÍÎ*,Ñ°BGḄ¯ᦪMIJᵯLḄᑖH@ᡠDLᜧÈᑖÒIJᵯL@ᡠD2R2ீR,ᓽR4Ô(2)[2]ᵫ¬ὶᵯkᑖLᱯÖ@(3x180------£2=20஺30-3(3)[3]᪗bOP⊤Ḅ¯ᦪM16.0mAB@ᦋRZḄᵯ⊤ׯM~ØḄ#s~@ᦑᦋRᵯL⊤ḄSTM32mA(4)[4]7OP⊤ᦋRᡂᵯL⊤◤⌕¬ὶᑖLᵯ@¬ὶᵯsASTM32mAB@ᑣᨵ3X10-3R3RR=--------^ߟ=—U32—3x10-329ASTM30mAB@ᑣᨵ3xl(r3&3ÚkR=______S—=—L(30—3)x10-32729ὶÛC(=Ò81.EFÜË᝞>ᡠ¯ḄRWSᮣÞᵯLËḄᑁRg,ᵯß⊤±àMᳮáᵯß⊤@âãᡂD*⚪:(1)ᢥ᯿lᳮ>ᵬ@ãᡂ>=#ᱥèḄnp;~<•0A(2)!B@vᔠxᐵêëᐜGᵯìḄᵯtᑮ(⌱“ᨬᜧs”@“ᨬîs”ᡈ“ïðs”)Ô(3)t⁚ᵯìḄs@zᮣÞᵯLËIJ஺¬ñX°BᵯìḄsR,ᵯß⊤¯ᦪU஺ò?ᮣÞᵯLËIJBḄ¯ᦪó,ᑣᮣÞᵯLËḄᑁRg=(ᵨRஹUஹk⊤¯)Ô

106(4)ò?ôᮣÞᵯLËḄᑁRg=300C,IJᵯLIg=200nA,◀ôᮣÞᵯLË᜜@÷ᨵD*!ᘤᩞ:A.ᵯúû(ᵯüý6V,ᑁþM0.5஺)ÔB.ÿᘤR(0-10Q,ᵯ1A)C.ᵯ⊤A(0~50mA,ᑁ20஺)D.᪗ᵯRi=14700CE.ᵯSஹ⌕ᵨ!50ftḄᵯ#Ḅ!$%ᙠ'᪾)*+R!Ḅ,-ᵯ./s(⌕12345$ᵯ⊤Ḅ7489ᜧ;$<ᙠᵯ./)᪗=>?ᘤᩞḄAB)஺C.ூF᪆௃ூᑖ᪆௃ூJF௃(1)KL,ᱥN᝞/(2)2,-P$QᔠSᐵU?Vᵯ.)ḄᵯᨬX$ᦑᐜ[ᵯ\Ḅᵯ]ᑮᨬᜧ!஺(3)বᵫabcuR+R„gFdᮣfᵯgḄᑁ

107(4)[4]ᵯ◤⌕ᵯi⊤$ᵫjᘤᩞ)kᨵᵯi⊤$ᡠn◤⌕ᵨ⊤ᜮpὶᵯRiᦋsᡂᵯi⊤஺uᘤvᵨ▲xy$ᑣᵯ.)ḄᨬXᵯᜧ6A=75mA50+20+10{|ᵯ⊤Ḅ}$ᦑ~9vᵨᑖixy஺ᵫj⊤ᜮᑁ$ᵯ⊤vᵨ᜜y஺ᦑᵯ./᝞/82.ᵨ/ᵬᡠḄ,-sឤX9ᓄḄᐵ.ᡭgPᘤ(1)9ᵨṺṺ᫜ḄᡠḄ⊤XᡠḄ$,-)XM(“◤⌕”ஹ"¢◤⌕”)£ᜧjṺṺ᫜Ḅm.(2)/¤,-dᑮḄᩩ¦ᨎḄ¨©,AஹBஹCஹDஹEஹFஹG«¨©¬7NḄ®,s=cm.ADᵯ¯⚣᳛50Hz,ᑣᡭ®gPᘤᙠᡭD®P¨©Ḅ²³v=m/s(´ᶇ¶·ᨵᦔᦪº).(3)»*+X9ᓄ>XᡠḄḄAEk—Wᐵ/¼$ᵫj,-U⍡¾¿⊝᥅ÂÃᐵÄÅ$ÆdᑮḄ,-/(,)?»«.ூ#᪆௃(1)9ᵨṺṺ᫜ḄᡠḄ⊤XᡠḄ$ᑣÇ)⌕ÈjṺṺ᫜Ḅ,ᓽXM◤⌕£ᜧjṺṺ᫜Ḅm.

108(2)ᵫ/d5Ë=2.10cwᡭ®gPᘤᙠᡭD®P¨©Ḅ²³v=12+()=2Ì°+3.9°X1mls=0.50Ï/s6T6x0.023ᳮÒÓÔ=W=&,,-Ó&=W'=Er-:$ᑣ×ḼḄÙᜧ$¶ÚÛᜧ.ᦑD⚗Ý5.83.ᙠÞÞßàáḄᐵP$ᐜᢥ/1>Þßᵬãä$ᯠæçÞßᵬÞߤ<ὶèᩭᢥ/2ãä.ᙠÞឋ▲³ᑁ$[ë=50gḄíṹ⌲ᢞᙠÞßñò$ᑖód/ᵬஹ/¤)ÞßḄá³4ஹ4᝞ñ⊤ᡠ.*2íṹᦪ1234/cm30.0031.0432.0233.02Lkm29.3329.6529.9730.301ϲ³g=ô8m/s2,⌕1489õᙢᑭᵨᦪø$gùÞßᵬḄú³ᦪ1<=N/mû23´ᶇ¶·ᨵᦔᦪºü.ᵫ⊤)ᦪøû“9”ᡈ“¢9”ügù+ÞߤḄú³ᦪ.ூþᫀ௃49ூ᪆௃ூ௃.ᑖ᪆1ṹᦪḄᐵṹ1cm,ᡠ"#᳘%&Fmg_0.49Nᦪ(f=49N/m.-0.01m).ᑖ᪆2*+ṹ,0.3cm,ᓽ4X0.003+&x0.003=mg,᪷/ᵬḄ#ᦪ*"123Ḅ#ᦪ.84.456⌕ᵨᵯ:;ᵯ<⊤>4?@ᵯABḄᵯCDᑁ:ὃ⇋ᑮ?@ᵯABḄᑁ:IᜧKLMNOḄPQ◤⌕>ᵯ<⊤Ḅᑁ:஺NOᘤᩞាWᨵᙽZ[ᙠ]Ḅ^ᵯ<⊤_56`ᐙᑖᑭᵨcᙽᵯ<⊤deK᝞ᡠgḄNOᵯhiNjk_ᵯ<⊤Ḅᑁ:Ḅ>lᑭᵨ_⊤mᡂ?@ᵯABᵯCDᑁ:Ḅ>oᵨᑮḄNOᘤᩞᨵp

109q>?@ᵯABrᵯCD,4V,ᑁ:,50஺sஹ^ᔣᵯ<⊤rv2V,ᑁ:,2ZQஹᵯ:;09999஺sஹwCx:ᘤ0200Q,ᓫᑐ^{|ᐵ}~஺1_56ᢥ᝞ᡠgᵯh✌ᐜ>2Kᵯ<⊤Ḅᑁ:஺mᗐ>ᵯ<⊤ᑁ:ḄNO:জKḄwCᜮwᨬsᔣ1ᵯ:;:0ঝ⁚4ḄwCᜮᵯ<⊤gᦪᑮঞ¡ᢝ£x⁚ᵨᵯ<⊤Ḅgᦪᑮট¥2ᵯ:;Ḅ:¦&,ᑣᵯ<⊤Ḅᑁ:ª=o2~>+ᵯ<⊤ᑁ:2Z஺*ᑖ᪆¬>______r⌱°“ᜧ²”“´²”ᡈ“¶²”s·N஺3¸¹ᩭ>?@ᵯABḄᵯCDᑁ:NO᝞¹pজ|ᐵS______r⌱°“1”ᡈ“2”ᵨḄwCᱏ¼ᑮᨬ£½¼Cঝ⁚ᵯ:;Ḅ:ᵯ<⊤Ḅgᦪᑮᔠ〉¦À¹ᵯ<⊤Ḅgᦪᵯ:;Ḅ:ঞÁÂঝ¦ÀÃBᵯ<⊤Ḅgᦪ}kḄᵯ:;Ḅ:஺4~ᵯ:;Äᵯ<⊤ÅὶḄ:¦ÀR,Ç2ÈÉᑣ*Ê◀ÌÍÎ᝞ᡠgᐸURÐÑÒb,Ó᳛Õ,ᑣᵯCDḄ⊤Ö,ᑁ:Ḅ⊤Ö஺ூ×ᫀ௃r1ঞR1ÙrᡈᨬᜧḄÙsট&2ᜧ²3জ24♦1kE--r=-hhூ#᪆௃ூ&#௃1ᵫ⚪*ÜÝSᔣ1wCx:ᘤ4ᙠᵯhᑖ<Ö¸Þᑭᵨᵯ<⊤ḄÙÞ+p⁚ªᵯ<⊤

110ß].¡ᢝ4£xáÄᵯ<⊤âὶ[2].⁚ᵨᵯ<⊤ḄgᦪᑮÙ(ᡈᨬᜧḄÙ);æ.ᑣᵯ<⊤Ḅᑁ:RஹÄᵯ:;gᦪÄç5஺(2)[4].ᵫèᔠᵯhéêëì*Ü⁚&xᜧᵯ<⊤ᑮÙḄívîᵯ:xᜧ஺hîᵯïx¶ᵫð=/ᔆ+£/᜜+஺᜜xᜧᵫᵯhÜ஺᜜=஺õ.+UöwCx:ᘤḄwCᜮö÷ᑖ+Ḅᵯ<஺ö=1•4,x¶ᑣUÅxᜧᵯ<⊤ÙøÄùᑖ+Ḅᵯ<úûᜧ²ᵯ<⊤ùᑖ+Ḅᵯ<üý&Ḅ:úûᜧ²ᵯ<⊤Ḅ:஺(3)[5M6].>?@ᵯABḄᵯCDᑁ:ᑭᵨþ:ÞSᑮ25ø4ḄwCᜮ¼ᑮᨬ஺ᑭᵨE=q+<",E=U+Gr,ὶÿEஹr஺(4)ᵫᔠᵯHUE=UTY9R1r11—=------1—«UEREᑣ:85.᝞ᵬᡠᵯ!Ḅ#$%&'()*ᜧḄᙊᓱ./ᙠᵯ12'ᙠᵯḄ34ᒴ஺ᙠᙊᓱ.Ḅ67ᚖ9:%;<ᦋ%>Ḅᵯ?@ABᘤ஺(EFᵯ?@ABᘤG◞IJḄBKK◞Tᡭ;

111ᐭᦪ'y3Ḅ.(2)⌕ᑮ!3Ḅ';⌕Ḅgᐹ'f.A.⊤B.!C.ᙊD.ᘤ(3)>ᙠᓱ.ḄyᡭM'ᙠᵯ?@ABᘤ\☢]ᢝ_`abḄJB'¡᠒ᙢPᵯ?@ABᘤ¤ᙊᓱ.()¥ᔣᔣᓱ.§¨஺ᑣᓱ.2ᡭ4ḄMḄᑖª«¬*;<ᙊ'®¯;°±¬'᝞²ᡠ.³´µ¶—(¸“ᨵ”ᡈ“½”)¾¿஺(4)ÀᐶÂÃÄᙠᓱ.2⌱Æ>6

112ூ.,௃11ᙠ01ḄPᜐ23᤮Ḅ%&ᨬ63ᙠ஺ᜐ23᤮Ḅ%&ᨬᜧ3ᡠ9ᚮḄ஺ᜐ;22᪷<ᓫ᤮ᕜ?@ABT-2TTC—gDEᙠFᙢH3I᤮JKF3ᑣᕜ?KF3LMT,஺8NᔊḄ2PQBt,=2T஺'᜛NᔊḄ2PMBt=1.5T2L"JML,T0UBt=—=2T}t=—=1.5T2%VWXB4,,v=—Vj=4m/s஺287.YẆ[ឋ]^6_M`YᵯbḄᵯ$cEdᵯe⊤VḄᑁgR,hijklᑮijᘤᩞ᝞q:vA.sᵯb0ᵯ$cEtM2V,ᑁguv1B.sᵯe⊤V0wMIV,ᑁgtM100஺1C.xyᵯgz0gyᨵB50.0ft,100.0஺3500.0ft,l.OkCD.ᓫᑐ}ᐵ21Ẇ[6_Lv`᝞ᵬᡠḄᵯᳮ3᪷<ᳮᙠḄiᱥᡂ஺2M`ᡂij3⌕ᵯe⊤Ḅᦪu6ᐸwḄ;3ᑣᵬRC;R=2বᙠRR2⌱Ḅij3ᵯ&ᔠஹS2¢}23ᵯe⊤ᦪM0.71VS2ᙳᔠ23ᵯe⊤ᦪM0.90Vᵫ¥W9¦R஺§ᵯbḄᵯ$cE=0¨ᶇ2ªᨵᦔᦪ¬1஺

113*-ூ,᪆௃ூᑖ᪆௃ூ.,௃᪷<ᵯᳮ3iᱥ᝞ᡠ:*-ফফ¯᪷<ᑖe°±1V3_100஺2v-lvRx3²ὶᙠᵯḄ´ᵯgtMRஹ=500஺ᡠ9500.0஺dl.OkQgyµᜧu¶ᵨ3ᔲᑣᵯe⊤Ḅᦪu¹º⚪⌕§M`ᙠS2ᔠ23¶¼ᨵᦔḄ¨½ᵯ3ᡠ9N=100Q,7?=50Q2O(3)[4][5]ᵯ&ᔠஹS2¢}2L/,ERஹ3R]+R?+RஹS1ஹS2ᙳᔠ2UE2VW+Rv,X/?V=87Q,E=1.9V88.᧽¿M`NJ&MLḄÀÁÂḄᵯg᳛3`᝞qḄij஺

114(1)✌ᐜᵨᵨᵯ⊤“xlO”ḄÆÇᢱÉÀÁÂ`Ê3ᵨᵯ⊤ËÌÍᵨÎÏ⊤ÐÑᙠÀÁÂḄÒÓ3ᐸᦪ᝞ᵬᡠ3ᑣÀÁÂḄgyRtM(2)ÑḼÉÀÁÂḄᵯg`ÕḄ3ᐸijkÖ×`᝞qijᘤᩞᵯØ⊤Ai(0~5mA,ri=50C)ஹᵯØ⊤Az(0-0.6A,%0.2஺)ஹᵯe⊤V(0~6V,r-1.5k£2),Ù$ÚgᘤR(ÛxᵯØ2A,vᨬᜧgyM15஺)ஹ10஺ḄxyᵯgR500஺ḄxyᵯgRᑁgWÜᶍuvḄᵯb(E=6V)ஹ}ᐵஹ2Þzஹßàáᘤஹâ&ã஺জᑭᵨßàáᘤsÀÁÂḄæç3ᐸᦪ᝞ᡠ3ᑣÀÁÂḄæçè=—mmঝìijᵯíᙠî᪾3ðñòᡠ⌱óᘤḄ᪗õ§ঞM`¦ᵯg᳛3ᑣ◤Ḅᱥᳮᨵ(ðᑏ¦KùḄúõ)3ÀÁÂḄᵯg᳛Ḅ⊤ûAMp=_(ᵨüýd⊤)஺ூ)ᫀ௃220஺4.6994.697~4.700ᙳW1ᵯe⊤ḄᦪUஹᵯØ⊤ḄᦪIM/Q+RJூ,᪆௃ூ.,௃(1)èUÀÁÂḄgytM:Rx=22x10஺=220஺§(2)জফ᪷<ßàáᘤḄᦪ°ᑣWý3ÀÁÂḄæçM:

1154.5mm+19.9x0.01mm=4.699mmঝবᵫপWý3ÀÁÂḄᵯgytM220Q,ᵯbḄᵯ$cM6V,ᑣØÿḄᵯ/«—A=30mA200ᵫᵯ⊤AḄᜧ◤ᵯ⊤A,ᦋᡂ30mAḄᵯ⊤ᑣᵯ⊤⌱ᵨA.,2ᵫᵯ⊤Ḅᦋᳮ!:5x50K“-------+5=30R#$R=10C%&ᵯ'⌱(R”ᵫᦋ)Ḅᵯ⊤ᑁ'+!⌱ᵯ⊤Ḅᑁ,ᵫ-./'ᘤḄ1'&2Ḅᵯ'&-./'ᘤᵨ3ᑖ5,6ᑣᡠ89Ḅᵯ:;᝞;ᡠ=ঞ[4][5]ᵯ5⊤Ḅ=ᦪUஹᵯ⊤Ḅ=ᦪI@Ḅᵯᐸᵯ5:I=/+'=’——'-IᵫBC%D!EḄᵯ'&'/,/JK+MNᵫᵯ'%D$R=XxSO☢Q஺ᵫS------4#$_ᐔ᮱W-17—[\0=4஻«+Rj°89.᝞;ᡠ=ᵨRSTU.VWḄXWYZ[\ឤ%D஺2ᳫ`a☢bcdefghijkᔣm-.,ᙠa☢mcopq%frhistuv2ᳫwja☢xḄhiJu3V஺2ᳫyᙠᙢ☢ou{y|,2ᳫ`a☢m}~|ᙠᙢ☢oḄᢗ|O,ᵨiy|ᑮO|ḄwX஺@ᦋ/2ᳫḄg

116hio@uvḄhiVwX஺+!ᙢḄhig஺WY2ᳫᙠSTU.@Z[\ឤ◤WYSTU.@Ḅhihiᓽ஺f.histᘤ(1)eᢥ᝞;ᡠ=ihSwX,ᐸᙠ┯¢Ḅ£(¥"h”ᡈ"X”)§¨Ḅp6£.(2)2ᳫᙠ{y@Ḅhia,ᑣx©vḄᐵ«¬x=(3)Eᙠᙶ᪗¯o°±ஹ²ᙶ᪗dd±ᙶ᪗Ḅ;³fᩩ@|Ḅµ¶;¶Ḅ·᳛k,¹ºE⌱(²ᙶ᪗᪷¼STU.$ᑮḄhioᯠ)©g0¾ὅᙠ¢ÀᐕÂÄᑁÅÆWY°2ᳫᙠSTU.@Z[\ឤ஺2/i9ூÈᫀ௃h`a☢ᑮᙢ☢ḄwVTூ#᪆௃ூᑖ᪆௃ூÏ#௃(1)[1][2].ᐸhḄᨵÑ⚪E£`a☢ᑮᙢ☢Ḅw;(2)[3].2ᳫ{y@Ôµpᔣ,12h--at2Spᔣ:x=vt#$:(3)[4][5].᪷¼/$/="ØᑣdV±ᙶ᪗Ḅ;³fᩩ@|Ḅµ¶;¶2஻2hḄ·᳛k,¹ºE⌱(V?²ᙶ᪗Úᵫ஽=—$ᑮḄhi஺=Ý.ᯠ)©g0¾ὅᙠak¢ÀᐕÂÄᑁÅÆWY°2ᳫᙠSTU.@Z[\ឤ஺90.ᵨ᝞;ᡠ=XWYZ[\ឤ%DÞß¾c«ḼáÅḄᱥãAஹB,ᱥãBoäfᱏC,æçèoq%fᙊêᙊêᜐᙠᱥãBḄ§{pᱏC©ᙊêìḄiÀh,AஹBஹ

117CíᡂḄ«îᵫ☟ðñä.ᱥãBò@ᙊêxᱏCóᤁXᙠᙊêo¾rq%ᙠæçèõஹP2ᜐḄᐝᵯ÷@ᵯø9xᘤᱥãB@PùP2úûwḄxì.(1)$HஹP2üìḄwd,ᱥãB@úûwḄxìt,ᑣᱥãBýò@ᙊê)Ḅhiv=(2)ᱥãAஹBḄáᙳᵨM⊤=ᱏCḄáᵨm⊤=hig,EVWWY°¬____________ᡂᓽឤ.(3)Ḅᘤ◀ஹᐝᵯஹᵯ!"ᘤ᜜$◤⌕.1/z/Yூ(ᫀ௃d/tmgh=—(2M+m)—ᜩ,2Iூ-᪆௃(1)ᵫ0AஹB1ᱥ3Ḅ4567ᱥ3B89ᙊ;<=ᱏC?ᤁAᙠᙊ;CDAஹBEFGᒴIJKLMᦑᱥ3BOP9ᙊ;DḄIu=4.t(2)AஹBஹCEFᵫQ᝱S<=ᱏC?ᤁAᙠT;CḄᦟVEFWXḄYZ[\EF]^ḄM_K=3(2/+^ᡝ2=(2/+%)).bc஻=3(2f+᪷)(9),ᑣឤ.(3)k⊤mnopḄᘤ◀ஹᐝᵯஹᵯ!"ᘤ᜜$◤⌕ᜩqᩭᱥ3s<=ᱏḄ4.91.tuv⌕w⁚yᵯzḄᵯM[{ᑁᵯ}p

118u/Vজ=>?◀ABCᐵSEFG᜜ᨵJKᘤᩞNB⌱PQᵯS⊤QVUV3V,ᑁXRv=10kQᵯY⊤QGUV3mA,ᑁXRg=100஺ᵯY⊤QAUV3A,ᑁXZ[0.5C\]^XᘤQRiX_a0-10஺bcᵯY2ARX_a0-1000C,bcᵯY1A2c_ᵯXQR=0.5Q3defghᘤᩞijk᝞*ᡠnḄpᳮ*rsᨵ⌱ᵨᵯY⊤AḄpuvঝdefxᵯY⊤Gyc_ᵯXR3zὶ=▭}v~kᵯ⊤ḄᦋᑣrᦋḄᵯY⊤ḄUVvAঞ[kᙢ~Ue[k=>⌱ᵨḄ\]^XᘤᑏᘤᩞḄটdefᑭᵨ}=>pᳮ*ᦪhJᵯY⊤Gᦪ[ᙶ᪗JᵯS⊤Vᦪ[ᙶ᪗jk᝞*ᡠnḄ*G᪷h*GN¢jᵯ£Ḅᵯ]¤£=V¥¦§ᶇ©ªᨵᦔᦪ¬ᵯ£ḄᑁXr=஺¥¦§ᶇªᨵᦔᦪ¬஺ூ¯ᫀ௃UVy²ᵯY_³´µ¶ᜧ0.603Ri1.480.840.70-0.90¸¹º»ᑖூ½᪆௃ூᑖ᪆௃ூ¿½௃জ[1]À⁚ÂᵯÃḄᵯ]¤ZE=L5V,[=>\]^Xᘤ⌱R”ÄḄX_av0-10஺ᵯÅᨬÇᵯYZ[EIm.m=—R=0.15AᵯY⊤AḄUVv3A,²ᵯY_yᵯY⊤UV³´ÈɶᜧuÊËᵨᵯY⊤A஺ঝফᦋᵯY⊤UVQ0.003x10=0.003+A=0.603A+Í0.5

119ঞ᪷Cᑖ᪆f⌱ᵨḄM}ᘤRo(@[4][5]ᵫCfᦋDᵯ⊤ḄVᵯ⊤GVḄ200Ḅb60ᵯḄᵯM[ᵫᵯḄᵯM[\pE=l.48VKḄ᳛ᜧᵫᦪvffpC=5=0.84ᑣᵯḄᑁ}\pr=k=0.84J292.᝞ᡠᡭ!"ᘤ¡ᙠ¢£¤C¥Yᱥ¦M§¦k☟©ª«¬ᵫ®ᑭᵨ°Aឤ.±AḄᡭ!"ᘤᡠ²³ᵯ⚣᳛50Hz.(1)µ0±ᑡ·¸µW¹ºᨵᑭḄ.A.¼½YᱥḄ4B.1▲¿ÀᙠuwÁJKCC.Yᱥ⌱ᵨ4{ÂÃᜧḄ<=┴D.ÅÆYᱥÇYᱥÈᡭ!"ᘤÉÊËফᢥν·¸oᑮÐwᩩÒ᦮Ḅ§¦ᵫ0§¦ÃÔᨵÕᑖÖ×᝞ᡠ.§¦Cᔜᡭ!"ᘤᡭḄ!"ᐸO\§¦CᡭḄÚwÛ.••••••OABCDEFGজYᱥ®ÝÞk§¦C!"ßḄÈJ²ᑡàÒᡂឤḄ⌱⚗ᨵA.OAஹOB{OGḄÔB.OEஹDE{EFḄÔC.BDஹBF{EGḄÔD.ACஹBF{EGḄÔঝᵨoABḄÈ1.76cm,FGḄÈ3.71cm,ᑣo7ᙢḄYZ^I

120m/sV!äåæçᶇé¿ᨵᦔᦪëìூ(ᫀ௃BCBCD9.75ூ-᪆௃ூᑖ᪆௃ூí-௃1[1].c\ᙠîÃḄmghஹ1mv2,ḄᜧᐵEᦑmðñò◤⌕Y┴Ḅ4µW¹ºóᨵôõᦑA┯¹.\ÐW§¦÷▲¿ÀøßḄ᥅úᵬ1▲¿ÀüýᙠuwÁJKþ᪵▲Ḅ᥅ᦑB.⌱Ḅᱥ!"#ᜧஹ&'#Ḅᱥ&(᪵*+᥅,-Ḅ./ᦑC.01ᱥ234ᨵᦔḄᑭᵨᱥ9ᡭ;<=ᘤ?@ABᦑD┯ᦑ⌱BC.2[2].DE⍝OAஹOBGOGḄHI=JKLMNOP;ḄQIᦑARSᔠ⚪VWDE⍝OEஹDEGEFḄHI=ᑭᵨDEGEFḄHIXME;ḄQIXMOᑮE;ḄZ*[ᓄ"E⍝OEḄHIXMOᑮE-]*Ḅ[ᓄ"^_`*aឤᦑBSᔠ⚪VWDE⍝BDஹBFGEGḄHI=ᵫBFGEGḄHIdᑮD;GF;ḄQIXMD;ᑮF;ḄZ*[ᓄ"WᵫBDஹBFḄHIdᑮDFḄHIE⍝DFḄHIXMD;ᑮF;-]*Ḅ[ᓄ"ᓽ^_`*aឤᦑC⚗Sᔠ⚪VWDE⍝AC,BFGEGḄHI=ᑖhXMB;GF;ḄQIXBᑮF;ḄZ*[ᓄ"E⍝BFḄHIXMBᑮF;-]*Ḅ[ᓄ"^_`*aឤᦑDWᦑ⌱BCD.(3)[3].᪷jM=g/kd3.71-1.76xlO-2=9.75m/s25x0.022ூ;m௃᪷joᳮqᔠrḄsVt⚗uᑖ᪆kwWxj(y=zᑁḄ|ᙳQI~r==QIZ*Ḅ[ᓄxj-]*⊤ᐸḄ[ᓄᓽ^᪷jM=g/XM-QI.93.᝞ᵬᡠPᙽIᙳᒴஹH354ḄHᔠᩞᧇↈᵯ,ᘤaஹbGcஹdᐸHᙠaஹbᔣḄHIᜧᙠcஹdᔣḄHI஺£Eᩞᧇ¤ᵯឋ*ᔜᔣ§ឋ஺¨§©ª«ᩞᧇḄᵯ,᳛஺⌱®Ḅᘤᩞᨵ¯জ±ᵨᵯ⊤Wঝ³᪗ᓱ¶Wঞ¸¹«ºᘤWট©¼ᵯ½Wঠᵯ¿⊤VÀ"Á¯3V,ᑁ,Â33k஺ÃWডᵯÅ⊤AÀ"Á¯0.6A,ᑁ,Â30.2QঢÇZ[,ᘤR஺Àᨬᜧ,É10஺ÃWণËᐵSஹ¤ÍÎ஺1ᵨ±ᵨᵯ⊤Ï«ᵯ,ᘤḄᵯ,É஺✌ᐜÒ᦮±ᵨᵯ⊤“ᢣ┐¸×”Ùᢣ┐ᢣᙠÚIWÛ⌱Ëᐵ¹Üᵯ,ᢱ"xl”ᢱÞ⊤ßàáᑖâããäÒ᦮“åæÒÚ¹ç”Ùᢣ┐ᢣᔣ“0Q”஺ᯠuᵨÞ⊤ßᑖhéãᵯ,ᘤḄaஹb±ᵨᵯ⊤⊤êᢣ┐ë᝞ìᡠ஺aஹbízḄ

121ᵯ,ÉR=Qo2ᵨ³᪗ᓱ¶G¸¹«ºᘤᑖh«"ↈḄIGIqï᝞ðᡠᑣIL=mm,ID=mm஺Î567òóô|“ᑤᵨ0102033÷ø«aஹbízḄᵯ,ÉR,§©ᙠùᡠḄᱥr£úᢥùrᵯüéã÷áᑖᵯüWýᵨßþÿᡂᒕᵯḄoT4ᢝᵯaஹbᦋcஹdcஹdḄᵯ!ᑣcஹdᵯ!Ḅ#$%&___________()“ᜧ,”ஹ“.,”ᡈ“0,”1aஹbᵯ!Ḅ#$%&஺534ᩞᧇᵯ᳛Ḅ⊤9:஺=.(:=ᵨᑮḄᱥᳮḄBCᙳ⌕FG123H1

122ூJᫀ௃650.601.200.,4-DR5ூM᪆௃ூᑖ᪆௃ூPM௃পRSTᐵVWᵯᢱ“X1”ᢱYᦑᵯ6஺஺ফফব]᪗ᓱ`aᦪL=50mm+0.05x12mm=50.60mmcVdᘤaᦪD=1mm+0.01mmx20.0=1.200mm(3)4᪷gᵯhij᝞l(4)5mcdᵯ.,abᵯᑣᵯn⊤ᑖop.qᩭḄ%&p.cஹdᵯ!Ḅ#$%&.,aஹbᵯ!Ḅ#$%&஺ম6᪷gij4p=-DR594.ᱥᳮ.sḄᵨ᝞lhᵬᡠvḄwxᘤᩞyz{|}~஺wxᘤᩞᨵqᨵ᪗`Ḅᩚஹᐝᵯ12sᡂḄᐝᵯ3ᘤᐸ=ᐝᵯ1ᙠᐝᵯ2Ḅ.ᳫᘤ(i.ᳫ})ஹ

123ÏÐ஺=>NᵨᐝᵯÒUÇᳫÔᐝᵯÒ1Õ]ÖᐝᵯÒ2Ḅ¹t,zÔ×Øᩚ}jᐝᵯÒ¹ḄÉÚh஺(1)ÛᵨÜ᪗ᓱÞUÇᳫḄØß᝞K*-ᡠnᑣÇᳫØß[<(2)ᦋ^ᐝᵯÒ1Ḅªá§ᢝᐝᵯÒ2ḄªáË^ÇᳫãäᐝᵯÒ2Ḅåæ[v,Ëὃ⇋éêXëÇᳫḄìåæ[íëìåæg,ᑣhஹtஹgஹvïðᱥᳮU¸¹Ḅᐵòóh=./?ব᪷h=>ᦪhj--/*ö᝞}*÷ᡠnø*ØGù᳛Ḅû_[k,᪷h*öjíëìåægtᜧÇ[஺1,ூ¯ᫀ௃1.170--gr+vt2kூ½᪆௃ூᑖ᪆௃ூ¿½௃পýþÿᦪLlcm,᪗ᦪ0.()5xl4mm=0.70mm=0.070cm,ᡠᨬᦪl.lcm+0.070cm=l.170cm(2)2ᳫᐝᵯ2Ḅv,᪷ᑮᐝᵯ2Ḅ"#vt=—gᡠᑮᐝᵯ1Ḅ"#ᡠᐝᵯ1ḄVV=gtH=v-gt᪷ᒴ%&'Ḅ()*+ᐝᵯ#Ḅ,-,V12h=-------1=Vt——2122

1241,(3)[3]ᵫ:{=]g/h17…ᳮh-/h᳛Ḅ$!k,ᑣtᡠz{|}~ᜧ.g=2k95.¡3¢᝞hᡠvḄ£¤ᑭᵨ¦`ஹ§⊤ஹ¨©ஹ¨ª«ஹ¬⍝ஹªᙽஹᡲ°±ṹ0ᘤᩞᩭyªᙽ¬⍝Ḅ³᥅µmᦪMªᙽᡲ°ᑖ¶ᨵ·±ṹªᙽ¸M,ªᙽấṹº¸mᡲ°°=±ṹḄº¸m.wx=ªᙽᙠ»¼¬⍝½AᑮB¾}~¿Ḅᒴ|}Á³z{|}~gF10m/s2পªᙽḄ|}~a,◤ÃÄᙠAஹBÁ³Ḅ,34aḄÁ³:Æফ᪷gÇÈÁ³yÉᑮaÊmḄᐵËÌÍÎÏÐÑᦋm,Ã#ÒḄa!Óᑭᵨ:ᩭ34g.⌕ÔaÆmḄÑÕᦪÖ×:=Ḅᢝwx=Ò½ᡲ°=FÃḄ±ṹ¤,ூJᫀ௃YØÙÙa=~ya=---m(m'+m)t'M+m+niூM᪆௃ூᑖ᪆௃ூPM௃(1)ªᙽᙠ»¼¬⍝½AᑮB¾}¿Ḅᒴ|}Á³᪷g*=Û22=ᡠ◤⌕2t2ḄÆYØSt.(2)$᦮ÝÞßẆá᪷gÇÈâãyÉa=+0+஻)g]^⌕ÔaÆmḄÑÕᦪÖ×èᒹêᓽm+mᙠìᜧm0í.mᡠwM+m+m'x=Ò½ᡲ°=FÃḄ±ṹ¤,ªᙽ.ூîï௃

125ð⚪᪷gᐜ᪷gÇÈâãyÉÓóᔠ◞ö÷ÔMÃ|}~Ḅ⊤9:ᯠùúÞßᑖ᪆ûüý.96.wx.sᑭᵨ᝞hᡠvḄ£¤Ẇá¼þÁ³ÿ஺ᐰḄ⍝Ḅ⍝⍝ᙠ!☢ᑁ஺$%&ᳫAஹB$)%⍝*+ᵫ-.,-.0ᑮ⍝23஺456$7&ᳫA89:;<=&ᳫB>?@⍝<=஺%ᳫ<=5ABᵨ⚣E᯿ḄGHIJ%&ᳫḄ0(ᙠLBM᪗O)஺পRᶍᔜUVW&ᳫAᙠXB<=5AB.%&ᳫ.(⌱[\]^ᫀ᪗`)A.aᢝc☟eB.ᙠ!f*C.<=gᜧ&D.ijk(2)Aᳫ:;<=lᑭᵨ⚣E᯿ᱏopO%&ᳫ?qr0Ḅstᑖvwஹh2ஹh3,xWygg,ᑣ⚣E᯿Ḅ⚣Eᕜ|:(3)ᙠ~5AB%&ᳫ$&ᳫAᙠ&ᳫBḄl*Gᑖ᪆k2_`AḄVWᜧBḄVWூ^ᫀ௃Bூ᪆௃ூᑖ᪆௃ூ௃ᵫ%ᳫ<=gᙠ!f*&ᳫAᙠXB<=aᢝc☟e<=gᜧ&\]%ᳫ0ᦑijkᦑB\]஺ᦑ⌱B(2)ফ%&ᳫ?qr0Ḅstᑖvyஹh2ஹlb&ᳫAᙠ$76ᑁḄsᑖvw—h—h,᪷Ax=gT?231—/-----------------------Vg(3)[3]&ᳫAᙠ&ᳫBḄl*GAᳫ<=5ABᡠ¡VWᜧBᳫᡠ¡VW஺97.¢ᐶ¤&¥ᵨ᝞Lᡠ§Ḅ¨=kᳮ.

126(1)ᨵ%U«⚣᳛ᙳ50HzḄᡭ¯o$ᘤ±⌱ᵨ²A.ᵯ´ᡭ¯o$ᘤB.ᵯµ¶ᡭ¯o$ᘤ·¸¹ᙠ<=$¡ᑮḄVWº&»⌱¼(⌱["A”ᡈ"B”).(2)aᢝᩈ¿¸¹ᙠ&ÀlÁ¸¹Â5ᡭ¯o$ᘤḄ▲0Ä.BÅ◀᥅ÈWḄÉÊᙠËṹÍB᠒᠒yᐭÐÑ!ᑮ&À89<=.ÒᵬÔ$᥅ÈWḄÉÊMᑮÅ◀.ÒÕÔÖ»)ÍB×O〉ÙÐÑ!ÚÛÜ&ÀÝÞᑮ&À:ᒴg<=.àá\]ḄÒ(⌱[ᵬᡈÕ).(3)âO&ÀḄãÙM,äâO¸¹*å¯ᑮA¯Ḅ23L.&À=kḄæᓄÙᵨpO.ËṹÍBấṹḄãÙm,xWyggB&ÀḄãÙ»_________(⌱[“ëᜧ”“ë&'’ᡈ“ï”)ËṹஹấṹÍÐÑḄðãÙ&Àᡠ¡ᔠW:ḄòᵨW=mgLpO.óâÙôWAEkᙳõö÷ᑣ¨ø=kᳮ.ூ^ᫀ௃BÕëᜧூ᪆௃ூ௃পùúᵯ´ᡭ¯o$ᘤû5ijü=ᡭ¯Ḅýᵯµ¶ᡭ¯o$ᘤû5ᵯµ¶ᩭᡭ¯ᵨᵯµ¶ᡭ¯o$ᘤk·¸¹ᙠ<=$¡ᑮḄVWº&஺ᦑAÿᔠ⚪Bᔠ⚪஺(2)ফḄ஺ᨵᒴᑨ᥅!"#$%Ḅ&ᜧ()*◀᥅Ḅ,-஺./ᵬ123"#$%Ḅ&)/ᨬᜧ☟᥅6ᨬᜧ☟᥅⌕ᶍᜧ/9᥅஺(3)3./:ṹஹ:ṹ%$"#᪷>?@ABCDEmg-F=ma,ᨵFḄGHIᜧ/:ṹஹ:ṹ%$"#JGH3K#ḄLFMN)/:ṹஹ:ṹ%$"#O&mg஺98.ᑭᵨ᝞SᡠUḄVWXYCᳮ஺[ᩈ]^_WᙠabcdḄefghiCjWᙠᩈ]klmiCnopஹqᑏp[ᳫtuḄ᪗wxᵫ☟z{_஺w|᪗wxᑮab~dḄH,᪷>xjWHᳫ1abḄ^jy,ᦋᳫᙠabkḄ{_jWᙠabᐝ9ḄmH&g,w|ᦪ>᝞E

127;Hhᓫ=>?h2h3h4h5h6h7h@&=AWE30.015.010.07.56.05.04.3পᳫ᪗012ᑮ3456Ḅ78Ḅ%ᓄ:BᵨXஹyஹg⊤F?;2HIᩈKL34M6ḄNO,-x,ᳫ᪗01ᑮP3456Ḅ;H,Qᳫᙠ-34SḄ@&=Av,TUᳫL4V#Ḅ᥅XYᳫ342ᑮᑗ'NOḄM6Ḅ[:\ᜫ஺ᳫ34_2ᑮ3456Ḅ7`8a[bᳮᡂe8ᑣghiḄᐵkl,3nᢝxT%8apᑭᵨrs&tᑮuvw)8ᨬxgHyᙶ᪗8{ᙶ᪗8|1}r஺ூᫀ௃£72y♦yூ᪆௃ூᑖ᪆௃ூ௃ᳫ-3456SO8ᑣ12y=]gᔆx=vtV-X(2)[2]ᵫ(1)IV-Xᙠᳫ27`8TUᳫL4V#Ḅ᥅X8ᨵ8ᑣᨵmgH=g"”2H=—4yব&t8g}ᡂ&'8᪷_I*ᨬxgH{ᙶ᪗8,yᙶ᪗8|1r஺y99.uvQ:Ḅuv8᝞rᡠF8r`D8E¡bᙠ_Ḅb2¢B£:¤᥅X¥ᶍ?Fᐝᵯ8C¡bᙠᱥ_Ḅ¨d=0.48cmḄ©ᐝᩩB£:TU?஺«£:3.0kgḄᱥA¬Ḽ£:1.0kgḄᱥᙽB☟°±஺²uv8QA☟°"©ᐝᩩᑮᐝᵯḄ,-h=60.0cm,Q³©ᐝᩩCᐝᵯḄ"#f=2.0xlT3s᪷_ᦪ8´²uvᱥ

128Aᐝᵯ¡Ḅm/s,&m/s2¢£¤¥ᙳ§ᶇ©jᨵᦔᦪ«¬஺m®¯&ḄH°®▭°________³´“¶”ஹ“¶ᜧ”ᡈ“u”¬஺ூ¹ᫀ௃2.49.6¶ூ¼᪆௃ூᑖ᪆௃ூ¿¼௃[1]᪷>Àkᦪ>ÁÂÃm®¯&ᱥAᐝᵯ¡ḄdÅ“u=—=2.4m/st[2].AஹB᦮ÇÈV2a--—2/?Éᐭᦪ>¼Âg=9.6m/s2Ëᵫ/ÌᙠÍÎ϶®¯&ḄH°®▭°¶஺100.ÐÑk├ÓḄÔGᵯᵯÕÖ×OØᑖÌᙠÎÇᵯÍuᔠÙÚ⚪GÛØ¡Û¯ÜÝhÞßÔᩞGHuᔠÙáᵨâãäÔᡈåᩖGçḄÔèãhÞéßÔᩞGHÁᔠÙêëì☢î.gᐶñòóôᵨᡠḄõᩭÛ®¯÷OhᣊÔᵯḄᵯÍ᳛ßᔲᔠÙ.òᡂᕒý▅ÿḄᵯ᳛1.8x10-8஺.☢1mn?ஹḄᵯ!ᐸᵯ᳛,mni$ᨵḄᘤᩞ᝞)*A.ᵯ+ᵯ,-5V,ᑁ/01B.2UlmḄᵯ☢1mm?C.ᵯ3⊤Vi!53V,ᑁ1.5kCD.ᵯ3⊤V2!55V,ᑁ3kQE.ᵯ6R791~2.9஺1

129F.:7ᵯK)=1QG.;ᐵஹ=>?.(1)@AᡂᕒᐜᵨFGHᘤ!IᵯḄJKd,᝞LᵬᡠOᑣ4=mm.(2)@AQ0Ḅ!ᵯR᝞LSᡠOᑣPT,NT,(VᘤᩞWXYZ[\])_`abḄLc᝞LdᡠO.(3)LSᵯReᵯḄᵯ!7f7_____________(⌱V“jᜧ”ஹ“/m”ᡈ“j@”)opT(4)qᣊᵯḄᵯ᳛஺=(tuvᶇxyᨵᦔᦪ|)1}ᵯ~ᵯ᳛ᜧḄopT.ூᫀ௃1.125ᵯ3⊤V2ᵯ3⊤V]jᜧᵯ3⊤V1Ḅᑖ2.58r8(n•Tᡈ`ᩖḄூ᪆௃ூ௃(1)ᵯḄJKd-1.Omm+12.5x0.01mm=1.125mmÑ(2)P!Ḅᵯ3ᜧN!Ḅᵯ3ᦑPTᵯ3⊤Vz8NTᵯ3⊤V”(3)jᜧᵫὃ⇋ᵯ3⊤ViḄᑖeḄᵯḄᵯjᜧ._`ᵯḄᵯ/,=஺=44=R=*—᦮ᳮe(4)ᑖ᪆ᵯR,KLU,U.=1+&•]8᪷¢⚪Ld¤᳛k=&=7Ö0%=2.60Q,,K2.5஺5=.=2=஺.994J¨©=2.60x0.994x1஺%ª=2.58><Ü஺P@mm2L100ᦑᵯ᳛«/ᑮ⌕®ᵨḄᨵTᡈ`ᩖḄ.

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