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**time as a function of distance???? electrostatic force**

C = coulombs, Ke = electrostatic constant, d = distance, m = mass of electrons, v = velocity, c = a constant

F(d) = (KeC^2)/d

E(d) = (KeC^2) * integral (1/d) dd

= KeC^2(lnd2 - lnd1)

E = 1/2 mv^2

v = sqrt(2E/m)

= sqrt((2KeC^2(lnd2 - lnd1))/m)

d = vt

t = d/v

t(d) = (1/sqrt((KeC^2)/m)) * integral (1/sqrt(lnd - c)) dd

= ?????????????????????????????????????????????? what is that integral(antiderivative) does it even matter ?????????????????