Asmall plastic ball with a mass of 7.10 x 10⁻³ kg and with a charge of +0.161 µc is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). the ball is in equilibrium, with the thread making an angle of 30.0° with respect to the vertical. the area of each plate is 0.0143 m². what is the magnitude of the charge on each plate?
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= Permittivity of free space = 
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Asmall plastic ball with a mass of 7.10 x 10⁻³ kg and with a charge of +0.161 µc is suspended from a...
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