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10>ýHMᙊᕜHḄþᔠº⚪ÿ ஹ☢ᑁḄᙊᕜḄᔠ⚪1.⚪ᨵᱥ☢Ḅᙊᕜᱥᱯᩩ!"#⍗ᨵᱥᐜ☢ᑁḄᒴ'ᙊᕜ(ᨵ)⌕+ᔠ,-ᐵ/ᑖ᪆2345⌱7⚪ᡈ9:⚪ὃ<2.3⚪ᐵ>(1)?@☢ᑁᒴ'ᙊᕜḄᔣBCᩭE᪷GHIJKLMᔣBCNOᑡQR(2)STQᔣMUVQᔣᑖ3'WᡈXY(3)'Wὶ/[(\]RḄᐵ>ᱥᳮ-[]RḄ_'W(]RḄ`'Wa K'UV☢ᑁḄᙊᕜḄᔠ⚪1.⚪ᨵᱥᐜUV☢ᑁḄd'ᙊᕜ(ᨵᱥᐜ(UV☢ᑁḄd'ᙊᕜee⌕+ᔠ,-ᐵ/23,459:⚪ὃ<2.3⚪ᐵ>(1)UV☢ᑁḄᙊᕜ✌ᐜ⌕?@“iᩚa ”)“ila ”ᯠ(ᑖ᪆ᱥ,nᑮpᙊᕜᨬrsḄtuᩩ!(2)'Wvὶ/[(\]RḄᐵ>ᱥᳮ-w⚪5.yᵯ{|}ᙠᑜḄ“ᔣ[”⁚ḄᙢᡠZ8V⍝☢ᨵᵯᢞᘤ5"Q☢ḼRᨵ¡Ḅ¢£¢£¤B¥|Ḅ¦¥L|§¨¢£☢ḄrW©/sX¬|§¨Ḅ}QV⍝|ḄrW©®ᶍ°9⌱±ᢕ³ᢞᘤ(ᢥµᐵᙠᵯ¶Ḅ·"¸AsT⍝`'W¹ஹº'WḄᒴº'V»¼(2sᢞᘤῃ¾Ḅ¿-º(Áᡂ¿s)¢£Ḅᨬᜧ☟᥅ÇCºg,ÈCº'WgACB(1)Ꮇ⌱±¾ᑮ¢£Ê#Ë¢£'WÌᓽd¹ÎÏоᙠÑÒXÓÔ°ÕÖᵩ"¢£¢£ḄØ'W“Ù▲ᑴᙠÜÝßà
11(2)á77=3.2m,â=0.9m,gã10m/s2,äa=2m/s2⌱±ាæ¾ᑮ¢£ḄᙊB2B(3)á=2.45m,R=0.8m,L=6m,gXX10m/s2,⌱±⌕èᡂé¾ᙠ¢£2º'WḄßᡠêëìíîḄïðñòóḄÓôõö“ᔛø”ᵨᩭ“ú᮴᪡ý”Ḅ“þ”ÿ ᪡ᙠᙢ☢0ᑖᙊ⊖ᡂḄ⍝!"ᨬ$%P&'(ᐭ᮴┡ᑁ!ᑭᵨᩭ0123ᐸᙳᒴ78ᡃ:ᵨ;<=mḄ>ᙽ@A᪡B!CDᝅFGᩭẆIJᱥᳮM⚪OᑖᙊPQᑖR=2STUTᙊᙳᐝ>┡ᑁḄWX☢YᡂZ☢ABஹCDT[ᐝ>ᙊ\ᡂZ☢]^ᙳ=6=37!>ᙽḄ12_`ᙠ┡ᑁḄab☢ᑁ!cde=gO>ᙽាghP%&'!iាgjZ☢(ᐭ┡ᑁklsin37o=0.6,cos37°=0.8,m(1)>ᙽn%op⍝Ḅqdᜧ;(2)>ᙽP%oḄᜧ;(3)tஹ/%wḄxyz|ᡠ~!ᳫ"/%Pᙊab⍝!⍝PQ=R=0.4m,cdeg=10m/s2.(1)⌕ᳫhᑭn⍝Ḅᨬ$%B,ᑣᳫᙠᨬ$%BoḄᜧ=(2)ᳫnB%oḄ=e=5m/s,ᑣᳫ"B%&'12ᙠC%!d!mdḄyz.ᘂᔠᓣ1.(⌱)|ᡠ~=£ᕒ¥¦§¨ᙠx☢©%ᒴᙊᕜ12Ḅ«¬
12|.kl;<=60kgḄ£ᕒᙠ%¯G!;<=70kgḄᦟᕒᙠ8%¯G,%Ḅ²³PQ=5.0m,8%Ḅ²³PQ=4.0m,ᑣ£ᕒTᦟᕒ´ᙳµ¬=;%¶´¶A.·ᜧ¸=54B.ᕜ¹¸=54C.ᔣ»eᜧ¸=45D.7ᑮḄᔠdᜧ¸=15142.|ᡠ~!8TC½\ᛞ¿!ᓽ3TPQÁ!ÂÃÄᙠÁ²Å!ᐸPQ¸=Æ&=32,¿ḄPQᜧÈ¿ÉÁ!ÊÈ8¿Ë☠ᙠÍ!Î/¿©nᐸÏ»ḄabŲ2o!ᵫÑ᥅ÓdÔᵨ!8¿ÕÖ×>2ᙢ²2Íᩭ.aஹ6ஹcᑖR=Ø¿ÙÚḄØ%!ᑣaஹbஹcØ%ᙠ12nÛÏḄ A.·ᜧ¸=322B.^¸=332C.²¸=232D.ᔣ»eᜧ¸=9643.|ᡠ~=PQ=5mḄᙊÜ!Ý©ᐸᙊ»ᒴ²2!ÎᙊÜÙÚḄ%/ᜐᙠ|ᡠ~¯GḄo!ᙠᐸᙊ»Ýà20mḄ$ᨵᳫÝᙠᔣÙÚḄN%ÄḄx'!ãg=10m/s2,d!⌕3äᳫÝgᙠ/%!ᑣ´¶
13A.ᳫḄĽ2.5m/sB.ᳫḄµh½2.5m/sC.ᙊܲ2Ḅ^Ľᐔrad/sD.ᙊܲ2Ḅeµh½ᐔ2m/s?4. ⌱¶|ᡠ~!æçènxé☢Ḅᙊê!ëìᱥí”!ïëìᱥíNᱥíMᙠé☢PQ=Ḅᒴᙊᕜ12o!^=M·ᜧ=!ᱥíNᜐÑ☟ñò!ᑣ´᥅Ó´A.Mᡠ◤ᔣ»dᜧõÑNᡠ7cdḄᜧB.Mᡠ◤ᔣ»dᜧᜧÑNᡠ7cdḄᜧC.V2ÈrᡂݸD.Ètᡂݸ5.öᐰÉÁḄᳫ48ஹCஹᙳᙠx☢ᑁᙊ┵12.|ᵬᡠ~!ᐸÏᳫ46ᙠÁx☢ᑁᙊ┵12´û8ᳫḄçüý¶;|þᡠ~!ᳫCஹᙠÁx☢ᑁᙊ┵12!½ûCஹḄçÈabàᔣwḄᜳ DᳫḄᑣᑡ┯ḄA.ᳫ/ஹ8 B.ᳫஹ8ᜧC.ᳫCஹᔣ!ᜧD.ᳫD"ᑮḄ$%&ᳫC"ᑮḄ$%ᜧ6.'⌱)*+mḄᳫMᵫ-a.bᑖ0123-)4ᩚḄB6.A68ᡠ:;-ᩚ<=00> ᒴ@AB&CDEᔣᡂ b
14ᙠCDEᔣIJ+/,ᑡLMḄ)A.ḄO%PQR+SB.ḄO%T ḄUᜧVUᜧc.; 3y⌆XYbZ[ᙠO%D.;6\ᯠ^_`ᑣḄO%3abcdᓄ7. '⌱8ᡠ:ᵨ+LḄ-g3hiᳫjᢞᙠl2LḄ6ᜐiᳫ>+ᙊᙠopD☢ᑁsᙊᕜuAJាRᑮwᨬl68ᜐᑣᨵBzI/2L{........A.iᳫᙠuA}~Z-Ḅ$%ᨬᜧ+6MgB.iᳫᙠuA}~Z-Ḅ$%ᨬ+mgc.uAZ-`ᑣiᳫᑮᙢ☢BḄᜧ+ZD.iᳫuAᑮᨬ6B-`ᑣiᳫᑮᙢ☢BḄCD+2L8. '⌱8ᡠ:Ḅ3hCD“”⍝h⍝ᑖ0+&=90mḄᜧᙊ.=40mḄᙊp⍝&⍝ᑗᜧஹᙊᙊOஹO,L=100mo⍝B☢Ḅᨬᜧᔣ☟᥅¢%£%Ḅ2.25¤Ꮇ¦ᙠp⍝IsᒴdpuAᙠ⍝IsᒴᙊᕜuA⌕¨Pᡭª<⍝3ᙌB¬ᨬbA®¯᳛±²ᜧ£%!g³10m/s2,n=3.14,ᑣ
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