Electrostatics question

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Discussion in 'Homework Help' started by IState21, Sep 30, 2010.

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  1. Sep 30, 2010 #1
    IState21

    Thread Starter New Member

    Sep 20, 2010
    4
    0
    Determine the amount of work needed to transfer two charges of 40nC and -50nC from infinity to locations (0,0,1) and (2,0,0) respectively.

    I got an answer but it doesn't seem right,

    W=(1/(4∏ε))*((40n*-50n)/(mag((2,0,0)-(0,0,1)))
    W=-8.05 μN

    any suggestions?
     
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