Question: An electron that is initially 53 cm away from a proton is displaced to another point. If the change in the electrical potential energy as

An electron that is initially 53 cm away from a proton is displaced to another point. If the change in the electrical potential energy as a result of this movement is 2.7 × 10 −28 J, what is the final distance between the electron and the proton? The Coulomb constant is 8.98755 × 10 N · m 2 /C 2 , the acceleration due to gravity is 9.8 m/s 2 and the fundamental charge is 1.602 × 10 −19 C. Answer in units of m.

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