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 =Z%⇒Z=:|) s ;  =FRY!  =Z%⇒Z=:|)) X.)⇒=sY)= Z Z Z 3 Z &/ Z    mv mgh⇔ =   v gh⇒ =   . =F3-*}⇒   n t v v v= + r r r   v v= n v r t v r    -* -* t v v c v c α α = =  ~   t mv mgh⇔ =  ~   t v h g ⇔ = ~  : -* : -* h l c c α α =    V pV V⇒ = − +  Z  m RT pV RT RT µ = = =    α {  t V r  V r n V r  V r F α fgKhKKi X3./⇒ Z Z m5%=• ; { =⇒=FR Z Z ⇒=FRI %S Z ⇒ Z Câu 3: #$% la3#\W2!^3/bFNF Z Z  Z 6%N#13-K Z Z & Z Z Z T3<NPvZ s f$%#CA: s BP1>-@/\: s 192!.>%C!? %'<3β=€ -  { : s f'F>  KI.J#DZ.,39 Z Z Câu 4: !  =!   Z   V RT V= − +    V V T R R ⇒ = − + ~    V T R R = − +  S  :  • :    m T K= − + =    F F F F= + + r r r r      kq F F F a = = = µ µ     Y e o F F F DF BDC= = =     e   -*  o kq F F c a ⇒ = =  F r µ µ           -* F DF ADH F F F F F c α α = = = + +     : : -*AH AD DH AD DH c α = + −  -*  c α ⇒ =   ekq F a ⇒ =       ~ : : :3-* €  O F F F F F β β = + − ⇒ ; F r   ekq F a = K  β α  F r  F r F r  F r    F  {  f s |     #$% Z Z ) Z ξ4V#W %S 4==Ω Z & ⇒ S =Ω Z 3%!,4O3<#\U4V#^4$N≡ q9#719#19 %A3- Z Z Z Z Z %!,4O3`‚  =‚s‚  = Z Câu 5: #$%  Z =⇒= 3% Z Z Z A.HR30)6%=4∆F  Z Z _∆F - ⇒Fa3#73a3$PA.HRS=s3% Z +EX4=#O4Fa3#73a3$PF Z 3 Z Z              R R R r R r r ξ ξ = + + ⇒ = Ω          R p RI r R r R R ξ ξ = = = + +     X R R R R R R = + + [ ]          R R ntR R             Z e :  R R R R R R R R R R R R R = = Ω + = + = Ω = = Ω + I A R r ξ = = +           : e  e  AB AB AB U I r V U I I A R U U U U U V U I A R ξ = − = = = = = = = − = = =   Z     T rad s T π ω π = ⇒ = =  -*    *   x c t v ϕ π ϕ ϕ = =   = ⇒ ⇒ = −   > <   3-*Z   x t cm π π ⇒ = −    o g l m cm ω ⇒ ∆ = = = •    T T t s∆ = + =  Z  T t s T∆ = = +  e   e€ee  s A A cm⇒ = + = + = ‚   ‚  ‚  ‚  ‚   ξ  ‚          Câu 6: #$%   X%^3 #7/A⇒ Z Z   LE4L E:x!/b)E #?@3-*3<   LE4 Z Z ) ⇒=Zse= 3% m5∆‚K3<K‚  =‚  sK  ⇒  =  ssK  ⇒= 3% Z Z Z Z Xƒ⇒^HLE3D  ≈3% T#14RLE3D.\*^F3% Z Z Câu 7: #$% s„!G\%?#@*P#<FCSPG7#O93d#- #'*0P.…oPN1OG\%: Z sf^/EP%a31>3/0FN-G\% Z sx!/b#HFPTVsF9s&ssG3-4G4R-G \%:3-\#'4V#W ! 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