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03:07
Oklahoma State University

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Problem 1

Two positively charged spheres, each with a charge of $2.0 \times$ $10^{-5} \mathrm{C},$ a mass of 1.0 $\mathrm{kg}$ , and separated by a distance of $1.0 \mathrm{cm},$ are held in place on a frictionless track. (a) What is the electrostatic potential energy of this system? If the spheres are released, will they move toward or away from each other? (c) What speed will each sphere attain as the distance between the spheres approaches infinity? [Section 5.1$]$

a) $359.6 \mathrm{J}$
b) Away from each other.
c) The speed approaches zero.

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## Video Transcript

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