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What is the force between two small char...

What is the force between two small charged soheres having charges of `2xx10^(-7)C` and `3xx10^(-7) C` placed 30 cm apart in air ?

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We can use Coulomb.s law to find the force.
`F=1/(4piepsilon_0)(q_1q_2)/r^2=9xx10^9xx((2xx10^(-7))xx(3xx10^(-7)))/(0.3)^2`
`=6xx10^(-3)` N
Both the charges are of the same polarity , hence the force is repulsive.
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