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Magnitude and direction of the electrostatic

  1. Jul 9, 2010 #1
    Hello, I'm new in this forum. I hope you can help me in my homework. thank you

    1. The problem statement, all variables and given/known data

    The given is write in my attachment picture.


    2. Relevant equations

    Find the magnitude and direction of the electrostatic at q4


    If they are given equal mass of 1 kg, find the gravitational force at q1+q2, q1+q3, q2+q3.

    3. The attempt at a solution

    I cannot attempt to try a solution because I don't know how to find the distance starting from q4.
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     

    Attached Files:

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  3. Jul 9, 2010 #2

    Doc Al

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    Staff: Mentor

    Re: Electrostatic

    You need to be given the distances involved, or at least enough information so you can figure them out. (Unless they expect you to treat it as a scale diagram and measure the distances.) Are you sure you've posted the entire problem exactly as given, word for word?
     
  4. Jul 9, 2010 #3
    Re: Electrostatic

    Yes Sir I post all the given in my attachment picture. I'm confused because the only given distance is 100cm in the trapezoid.
     
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