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What is the magnitude of the charge on two identical spheres that exert a force of 0.300 N when 75.0 apart?

  • Science -

    Use the Coulomb formula and solve for Q.

    0.300 N = k Q^2/R^2

    What are the units of the 75.0? cm? meters? When you use the formula, R (the separation distance) should be in meters. You may need to look up the constant k, if you don't know it already.

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