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Alarge electroscope is made with "leaves" that are 70 cm long wires with 19 g spheres at the ends. when charged, nearly all the charge resides on the spheres. if the wires each make a 30° angle with the vertical, what total charge q must have been applied to the electroscope? ignore the mass of the wires.
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Alarge electroscope is made with "leaves" that are 70 cm long wires with 19 g spheres at the ends. w...
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