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3) a small, 30 gram pith ball carrying 3 nc of charge is dangling from an insulating string. another charged pith ball carrying an unknown amount of charge is brought close to the first ball, causing it to shift away. when everything is in equilibrium, the two balls are horizontally separated by distance of 4 cm, and the string is tilted about 16 degrees away from the vertical direction. how much charge is on the second ball?
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3) a small, 30 gram pith ball carrying 3 nc of charge is dangling from an insulating string. another...
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