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OCW Scholar - Physics II: Electricity and Magnetism 21 Online
OpenStudy (anonymous):

ELECTROSTATIC ENERGY OF THE SYSTEM. Please solve Question 4 in the attached image. Please note: There is no figure given.

OpenStudy (anonymous):

The options are: zero, -1.2 J, -1.5 J and -1.7 J. The answer is -1.7 J. Please show all the steps.

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