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## Homework Statement

Two small charged objects of the same mass and volume are brought into brief contact with each other. If the initial charges on the two objects are -3.00 x10^-6 and -1.50 x10^-6, what is the electric force between the objects when they are seperated to a distance of 0.500m after contact?

The answer is 1.82 x10^1 N

## Homework Equations

F=KQ1Q2/r^2

## The Attempt at a Solution

I thought it is just plug in the numbers but i get a different answer. So is there anything that goes on when they are in contact?

F= (9.0x10^9)(-3.00x10^-6)(-1.50x10^-6)/(0.500)^2

=0.162N