How do I calculate impedance for different components at a specific frequency?

[joe007]

Calculating Impedance Help!

Homework Statement

calcuate the impedance at the frequency 10Hz of a:

-4.7 kil0 ohm resistor
-1microFarad capacitor
-25mH inductor

Homework Equations

w=2*Pi*f

The Attempt at a Solution

for the capacitor impedance= 1/20*Pi*1*10^-6

for the inductor impedance=(1/20*Pi)*25*10^-3

Are these correct? and how do i solve it for the 4.7kohm resistor??
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cheers

 

[rock.freak667]

The resistor will just be its own value, the total impdence will be the complex sum of all three.

Z = R +j(X_c+X_L)

 

[skeptic2]

Your formula for finding the reactance of an inductor is not correct.