DESPEJE DE FORMULAS Lesson

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DESPEJE DE FORMULAS

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DESPEJE DE FORMULAS

Para despejar formulas debemos de tener en cuenta lo siguiente:

1) Para despejar formulas recordarnos de las operaciones y sus inversas

2) Despejar la variable indicada tratando de dejar lo mas simplificado que se pueda

3) Que la variable despejada siempre sea positiva.

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EJEMPLO 1:

Despejar:

V=IR,\ R

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EJEMPLO 2:

Despejar:

s=vt+d,\ d

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EJEMPLO 3:

Despejar:

C=\frac{Q^2}{2V},\ V

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EJEMPLO 4:

Despejar:

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2},\ T_2

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EJERCICIO 1:

Despejar:

s=\frac{1}{2}at^2,\ a

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EJERCICIO 2:

Despejar:

MV=Ft,\ t

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EJERCICIO 3:

Despejar:

c^2=a^2+b^2,\ b

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TAREA:

Despejar

$F=ma,\ a$
$F=\frac{mv^2}{R},\ v$
$2as=Vf^2-Vo^2,\ a$
$\frac{1}{R}=\frac{1}{R_1}+\frac{1}{R_2},\ R_1$
$mV_2-mV_1=Ft,\ V_2$
$V=Vo+at,\ a$

DESPEJE DE FORMULAS

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