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Homework Statement
A negative point charge of 10 ^(−6 )C is situated in air at the origin of a
rectangular coordinate system. A second negative point charge of 10^(-4) C is
situated on the positive x-axis at a distance of 50 cm from the origin. What is
the force on the second charge?
Homework Equations
Coulomb's law?
The Attempt at a Solution
I don't know ;_;
Coulombs law gives the force between two points, buy I need the force on one of the points. My notes say :
But I have no idea what that means. Help please?If multiple charges exist, the fore
on anyone charge equals the vector sum of the
forces exerted on it by the other charges.