Electrical force between charges

edit: I see that my title is incorrect. This isnt between charges, it is between a charge and a point, sorry about that.

The problem:
Find the magnitude of the electrostatic force that works on a point 3 meters from q1.

q1=3μC

My attempts:
Feq1=1/(4πε0)*(q1/r)
r=3m
1/(4πε0)=8.988×109

Feq1=8.988×109*(3×10-6/3)=89.9kN

As far as I can tell, this is the way it should be done, but the force seems pretty large… Is there something that I am missing? Or is this actually correct?

http://ift.tt/1gvgWYA

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