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    Electrostatic Forces and Movement of Charged Particles

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    1) Particles 1, with charge q1 and 2, with a charge q2 are on the x axis, with particle 1 at x = a with and particle 2 at x=-2a. For the net force on a third charges particle, at the origin to be zero q1 and q2 must be related by q2=:
    (answer B, but explain)
    a) 2q1
    b) 4q1
    c) -2q1
    d) -4q1
    e) -q1/4

    2) A particle with charge Q is on the y axis a distance a from the origin and a particle with charge q is on the x axis a distance d from the origin. The value of d for which the x component of the force on the second particle is the greatest is:
    (e is answer - why)
    a) 0
    b) a
    c) SQRT 2a
    d) a/2
    e) a/ SQRT 2

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    Solution Summary

    The solution provides step-by-step calculations with diagrams for questions involving the concepts of electrostatic forces between charged particles.