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Problem: A -3.0 nC charge is on the x-axis at x= -7.0 cm and a +4.0 nC charge is on the x-axis at x= 18 cm.At what point or points on the y-axis is the electric potential zero?y= ?? cm

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Electric potential due to a point charge:

V=kqr

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Problem Details

A -3.0 nC charge is on the x-axis at x= -7.0 cm and a +4.0 nC charge is on the x-axis at x= 18 cm.
At what point or points on the y-axis is the electric potential zero?

y= ?? cm

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