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In the Rutherford model of the hydrogen atom, a proton (mass M, charge Q) is the nucleus and an electron (mass m, charge q) moves around the proton in a circle of radius r. Let k denote the Coulomb force constant (1 /4πε0) and G the universal gravitational constant. The ratio of the electrostatic force to the gravitational force between electron and proton is: kMm/GQq kQq/GMmr2 GMm/kQq kQq/GMm GQq/kMm

In the Rutherford model of the hydrogen atom, a proton (mass M, charge Q) is the nucleus and an electron (mass m, charge q) moves around the proton in a circle of radius r. Let k denote the Coulomb force constant (1 /4πε0) and G the universal gravitational constant. The ratio of the electrostatic force to the gravitational force between electron and proton is: kMm/GQq kQq/GMmr2 GMm/kQq kQq/GMm GQq/kMm

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In the Rutherford model of the hydrogen atom, a proton (mass M , charge Q ) is the nucleus and an electron (mass m , charge q) moves around the proton in a circle of radius r . Let k denote the Coulomb force constant ( 1 / 4 π ε 0 ) and G the universal gravitational constant. The ratio of the electrostatic force to the gravitational force between electron and proton is: k M m / G Q q k Q q / G M m r 2 GMm/kQq k Q q / G M m G Q q / k M m

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