What is maximum speed electron can reach after releasing it

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An electron starts from rest 15.0 cm from the center of a uniformly charged insulating sphere of radius 10.0 cm and total negative charge -3.00 μC. What is the maximum speed (in m/s) the electron can reach after releasing it? (Note: suppose a reference level of the potential V = 0 at r = ∞)

Reference no: EM13660708

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