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  1. H

    Does anyone here work @ JPL?

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  2. H

    Finding total impedance of circuit

    It's been a while since I last took an EE course. But from what I remember for a parallel circuit (Cd & Rd) the impedance is calculated by 1/Z = 1/Z1 + 1/Z2 then I take the inverse and add Z3 (Rel) to get the total impedance. Is that correct for this circuit? I have the answer doing it this...
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    Rotating an ellipse in matlab

    So I have a two part assignment, the first part is to plot the ellipse for a) (x^2/9)+(y^2/4) = 1 I think I did this right as when i do plot (x,y) it displays an ellipse b) draw the ellipse obtained by rotating (x^2/9)+(y^2/4) = 1 30 degrees counterclockwise. I can't for the life of...
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    Replacing battery on 2006 BMW 330i Dealer or Autozone?

    Battery needs to be replaced on my sister's car. Can I get the replacement battery @ autozone? The dealership says battery is $248 w/o labor. W labor it's $364. Hoping to find a cheaper option. anyone know if it's ok to put in a battery from autozone? TIA
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    Is this guy trying to scam me?

    I recently lost my job and was looking at craigslist for job postings in the tech support area. I received the following email, he basically wants windows xp w/ office on 7 laptops. But I'm a bit cautious to the way he wants to go about the transaction. Also, he's sent two emails and they're...