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Old 08-25-2012, 04:03 PM   #11
errei
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L0 = LF x ( 1 + λ x ΔT) =>
como ΔT = Tf - T0, tenemos:
L0 = LF x ( 1 + λ x Tf - λ x T0 ) =>
L0 = LF x ( 1 + - λ x T0 ) + LF x λ x Tf => (invertendo los membros
LF x λ x Tf = L0 - LF x ( 1 + - λ x T0 ) => entonces:


Tf = [L0 - LF x ( 1 + - λ x T0 )]/(LF x λ)


si ud queria la temperatura final como funcion de la dilatacion, ud tiene la equacion de arriba.

si ud quiere la T0 en el 1º membro:
L0 = LF x ( 1 + λ x Tf - λ x T0 ) =>
L0 = LF x ( 1 + λ x Tf ) - L0 x λ x T0 => (invertendo los membros
L0 x λ x T0 = LF x ( 1 + λ x Tf ) - L0 => entonces:


T0 = [LF x ( 1 + λ x Tf ) - L0]/(L0 x λ)

espero que esto ayude usted =)
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Old 08-25-2012, 05:35 PM   #12
smeagle_errei
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esta prueba parece ser de FISICA, no?
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Old 08-28-2012, 09:11 PM   #13
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Quote:
Originally Posted by BadGluteos View Post
esta prueba parece ser de FISICA, no?
Aunque no lo parezca, este tema nos lo dan en quimica
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