A small charged pith ball is suspended 2 cm above a second charge pith ball resting on an insulated surface. If the char

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answerhappygod
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A small charged pith ball is suspended 2 cm above a second charge pith ball resting on an insulated surface. If the char

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A small charged pith ball is suspended 2 cm above a second
charge pith ball resting on an insulated surface. If the charge of
the lower ball is +20 statC and it has a mass of 0.25 g, what
charge must be on the upper ball to lift the lower ball?
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