A large electroscope is made with leaves that are 78-cm-long wires with tiny 21-g
Chapter 16, Problem 16.16(choose chapter or problem)
A large electroscope is made with leaves that are 78-cm-long wires with tiny 21-g spheres at the ends. When charged, nearly all the charge resides on the spheres. If the wires each make a 26 angle with the vertical (Fig. 1655), what total charge Q must have been applied to the electroscope? Ignore the mass of the wires
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