An electron is at rest just above the surfaceof a sphere with a radius of 2.7 mm and a uniformly distributedpositive charge of 1.8 * 10-15 C. Like a rocket blasting off fromthe Earth, the electron is given an initial speed ve radially outwardfrom the sphere. If the electron coasts to infinity, where its kineticenergy drops to zero, what is the escape speed, ve?

An electron is at rest just above the surfaceof a sphere with a radius of 2.7 mm and a uniformly distributedpositive charge of 1.8 * 10-15 C. Like a rocket blasting off fromthe Earth, the electron is given an initial speed ve radially outwardfrom the sphere. If the electron coasts to infinity, where its kineticenergy drops to zero, what is the escape speed, ve?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 98P: From a distance of 10 cm, a proton is projected with a speed of v=4.0106 m/s directly at a large,...

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