Electrostatics: Force between two Protons.

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Find the distance r between two protons at which the electrostatic repulsion between them will equal the gravitational attraction of the earth on one of them.

Proton charge = 1.6 E -19 C; proton mass = 1.7 E -27 kg.

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Solution Summary

Calculation or the distance between two protons using Coulomb's law.

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