A styrofoam ball of mass 0120 g is placed in an electric
A Styrofoam ball of mass 0.120 g is placed in an electric field of6000 N/C pointing downward. What charge must be placed on the ball for it to be suspended?
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a styrofoam ball of mass 0120 g is placed in an electric field of6000 nc pointing downward what charge must be placed
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