A piece of aluminum foil of mass 5.10 ✕ 10-2 kg is suspended by a string in an electric field directed vertically upward. If the charge on the foil is 2.20 µC, find the strength of the field that will reduce the tension in the string to zero.
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A piece of aluminum foil of mass 5.10 ✕ 10-2 kg is suspended by a string in an electric field directed vertically upward. If the charge on the foil is 2.20 µC, find the strength of the field that will reduce the tension in the string to zero.
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