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Posted: **Wed Jul 06, 2022 10:14 am**

: Problem 19 Two Electrons Initially At Rest Are Separated By A Distance Of 101 M A Find The Potential Energy Stored 1 (77.04 KiB) Viewed 14 times

: Problem 19 Two Electrons Initially At Rest Are Separated By A Distance Of 101 M A Find The Potential Energy Stored 2 (28.63 KiB) Viewed 14 times

: Problem 19 Two Electrons Initially At Rest Are Separated By A Distance Of 101 M A Find The Potential Energy Stored 3 (66.08 KiB) Viewed 14 times

Problem 19. Two electrons, initially at rest, are separated by a distance of 101 m. A) Find the potential energy stored in this configuration. B) Find the final total kinetic energy if the electrons fly (infinitely) far apart. Express your answer in Joules and in eV. C) Find the speed of each electron after they have flown far apart. (Hint: Each electron ends up with 1/2 of the total kinetic energy.)
Problem 20. How much energy is stored in an arrangement of three protons sitting on the corners of an equilateral triangle of side-length 10-9 m?
Problem 23. The voltage at a place with coordinates (x, y, z) due to a point charge at the origin of coordinates can be written as where r = V: = kq r kq - √x² x² + y² + z². Derive Coulomb's law E = kî, from this expression for voltage using the relation Ē=-VV=- ᎧᏙ Ox î ᎧᏙ ду ý - Əv Əz 2