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What is the electric field at the point x = 3.5 m, y = 2.0 m?

  1. Apr 12, 2012 #1
    1. The problem statement, all variables and given/known data[/b]

    The electric potential in a region of space is given by V = axy where a = 1.7 V/m2.

    (a) What is the electric field at the point x = 3.5 m, y = 2.0 m? Give your answer in unit
    vector notation.

    (b) If a particle of mass m = 1.67 × 10 −27 kg and charge q = +1.6 × 10 −19 C is released from
    this point, what is the magnitude of its initial acceleration?

    2. Relevant equations

    V=axy

    3. The attempt at a solution
    (a)V=(1.7)(3.5)(2)
    11.9
    This seems to simple is this correct. Also do not understand unit vector notation.
    (b) unsure of the equation to use
     
  2. jcsd
  3. Apr 13, 2012 #2

    rude man

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    Homework Helper
    Gold Member

    (a) What's the formula for the electric field, given the potential?
    (b) F = ma
     
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