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Calculate the ratio of electric and grav...

Calculate the ratio of electric and gravita-tional forces between two electrons. (charge of the electron (e) `= 1.6 xx 10^(-19) c`, mass of the electron (m) `= 9.1 xx 10^(-31) kg, (1)/(4pi epsilon_(0)) = 9 xx 10^(9) Nm^(2)C^(-2)`, universal gravitational constant `G = 6.67 xx 10^(-11) Nm^(2) kg^(-2)`)

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`4.17 xx 10^42`
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