LT cấp tốc Vật Lý 2010 số 54

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#! !=,- #!‚ 0 3H%1O   $RT 0 )-  2bK ( ,? #! !=,- #!;*=>B 1‚3C%1 D1‚3EH1 1‚3%% G1‚3E%1 04,gmL g8( b !(3%'%0 #0%%%€•1N8(  ! FQr1c 2 V  2;* 1b3F1% 5 −  D1b3F% 1b3F1% H −  G1b3F% X%jJ,.'T8^8,gs,-)*@^kTN1o,• J V!;* % 3% \0 t< 0 1(.,? L  ,g;*b3C%D1,g( ! 8a;*1C%t< 0 D1% \C t< 0 1% C t< 0 G1% \F t< 0 Xf=L j( R)* $ VR=*S ! ^#k%'0t'=,- #! # µλ E'% = 1#k ;,?M VR=*S€ˆ#$A#$T^^7T)* $)-#$J;J 8@d $•;*Fx1K ,g mS=‰m1 1%'0 D1X'01 15 G1%'X http://ductam_tp.violet.vn/ X0( j9 :Zb,K )e  ( ) %& ! π 0 #0 =  19" 2 !c 2 ' π X F = 'N !  π 0E % X − = 1 oD  )* D  ; T4% %  1"#$p V mj9 : !8a;*   Z b D  10%& D15%& 1%%& G1F%& XXi=.*#9;*zB 1 ! ,g;-K ! 2 !Š‹1 D1 !"#$;-K ! 2 !Š‹1 1Š‹9Šd‹TN ) W L  ,g)*"#$1 G1 ! ,gdK ! 2 !Š=q‹1 XEi=.*#9;*zB 1 !#!P8>9*K8>9 v m#!T2j(' m#![ Œ =a8>1 D1 !#!P8>9*KT#!P m  .8>9)Y1 1 !#!P8>9*Kk 2  .8>9:P;(@^1 G1 !#!P8>9*K8>9 !  .(jJ@e)-  .L9>1 XF)7c g:m fT,[J  T,[8K j  3\E#€ π •)*j 0 3E X #€ π • i,[8KU?T;* 1j  3H#€ π ~ 5 π •  D1j  3H #€ π ~ 5 π •  1j  3H #€ π \ 5 π •  G1j  3H#€ π \ 5 π •  X5$ VR=*S ! ^30'41% \4 u' R)* $ VR=*S# ! =,- #! # µλ E'% = 1K:@ VRA$)* $. ,gmS8>1 ()#*) 4HXE %15'†<%1X†%150F'5 −− === 1 % + 04' −≤ D1 % + 04' = 1 % + C0'0 −= G1 % + 04' −= XC(  " 2b )*N$O $RT'@!O ] "N€K)e•1( (K !@! 9 ( g  . `;,?  8,g)*`;,?P8,g8( =| 1o`;,?*T" V( #!#e     + • 1@^U D12 m<E 12 mX<E G12 m<0 XHD,- #!*k8‰9DJ;*%15F5%Ž1D,- #!*k8‰9b;*%'00%Ž1D,- #!*L V‰9b;* 1%1%04Ž D1%10Ž 1%1%F0HŽ G1%10Ž X4o7jq*#9):9=RR;*@^zB 19=RR ! N=RU ,gm1 D19=RR !.2R1 19=RR !.9U"#$mj9 :1 G19=RR !.`R1 E%(( j9 :N !3 π E % − €r•O $RT)-8]" !8a9 U1+)*"(( Rj9 : !(30%%#€%% π •61 ^#k>N 8( (8a c (K8]T2 !8a;* http://ductam_tp.violet.vn/ 1Z30%% Ω D1Z3F% Ω 1Z3F% Ω G1Z3%% Ω 1i W oZ•oy€% • ,- . )- / 01 2 3 4 #56 4 7 2 !8  1J ,[8• W o 1 (  n#! V9 9 !c 2b301% \5 '8]"Z3%1.9  v !.,? 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