Electron is at rest just above surface of sphere by radius

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An electron is at rest just above the surface of a sphere by a radius of 22 mm and a uniformly distributed positive charge of 1.8 x 10^-15 C. Like a rocket blasting off from the Earth, the electron is given an initial speed e radically outward from the sphere if the electron coasts to infinity, where its kinetic energy drops to zero. What is the escape speed Ve?

Reference no: EM13674646

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