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Charge distribution at a point on the positive x-axis

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Reference no: EM131604590

Question: The potential, φ, of a charge distribution at a point on the positive x-axis is given, for x in centimeters, by

Φ = 2Π(√(x2 + 4) - x)

A particle at x = 3 is moving to the left at a rate of 0.2 cm/sec. At what rate is its potential changing?

Reference no: EM131604590

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