Calculate the work required to take one of the charges and to move it away to infinity, in J.
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Consider a square of charges of side length 4.4 m. Each corner of the square has an identical 6.6 x 10-4 C charge. Calculate the work required to take one of the charges and to move it away to infinity, in J. Use k = 9 x 109 N m2 / kg2. Your answer could be positive or negative.
(Please answer to the fourth decimal place - i.e 14.3225)
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