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    An electric dipole is formed from two charges, ±q, spaced 0.600 cm apart. The dipole is at the origin, oriented along the y-axis. The electric field strength at the point (x,y)=(0cm,10cm) is350 N/C .

    What is the charge q?

    What is the electric field strength at the point (x,y)=(10cm,0cm)?

    I'm confused about which formula you use. I assumed you would use

    E=kq/r^2 and rearrange, but I got the wrong answer doing it this way.
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Updated: January 24, 2016
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