What is the force between the spherical charges

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The small identical conducting spheres have charges of2.0 x 10^-9C and - 0.5 x10^-9 Coulomb respectively. When they are placed 4 cm apart. what is the force between them ? If they are brought into contact and then separated by 4 cm, what is the force between them ?

Reference no: EM13260898

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