A hydrogen atom contains one electron and one proton. (a) Find the electric force between the proton and the electron. (The distance between an electron and a proton in a hydrogen atom is 5.29 × 10-11 m. A proton’s positive charge has the same magnitude as the negative charge of an electron.) (b) What is the gravitational force between a proton and an electron? (c) If the electric force is stronger than the gravitational force, why don’t people accelerate toward charged combs, balloons, and other electrically charged objects?
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