The electric force between two charges is equal to a constant divided by the distance between the charges squared. Two charges are separated by $1 \mathrm{~m}$. The force between them is $10 \mathrm{~N}$. How much work must be done to increase the distance between the charges to $3 \mathrm{~m}$ ?

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The Answer of The electric force between two charges is equal to a constant divided by the distance between the charges squared. Two charges are separated by $1 \mathrm{~m}$. The force between them is $10 \mathrm{~N}$. How much work must be done to increase the distance between the charges to $3 \mathrm{~m}$ ?

The Electric Force Between Two Charges Is Equal to a Constant