physics

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Two pellets, each with a charge of 1.0 microcoulomb (1.0×10−6 ), are located 4.0 (4.0×10−2 ) apart.A)find the electric force between them B)What would be the mass of an object that would experience this same force in Earth's gravitational field?

  • physics -

    5.6 N

  • physics -

    F = k q^2/r^2
    = 9x10^9*1x10^-12/16x10^-4
    = 5.6 N

    5.6=m*9.8 => m=5.6/9.8=5.7 Kg

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