A negative Duarte of 4.0 x^-4 c positive charter of 5.0×10^-4c are separares ny 0.20 what is the magnitudes of the forc between the charges? Is this

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A negative Duarte of 4.0 x^-4 c positive charter of 5.0×10^-4c are separares ny 0.20 what is the magnitudes of the forcé between the charges? Is this repulsive?who mUcH would the magnitudes of the forcé between the charges change ir the separación of two is double