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July 26, 2014

Homework Help: Physics

Posted by Alice on Saturday, April 7, 2012 at 6:12pm.

Charge 2 10−18 C is on the y axis a distance 4 m from the origin and charge 9 10−18 C is on the x axis a distance d from the origin.
What is the value of d for which the
x component of the force on 9 10−18 C
is the greatest? The Coulomb constant is
8.98755 109 N m2/C2.
Answer in units of m

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