Parallel plate capacitorsplease help!

  • Thread starter sarah_a289
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  • #1
A point charge of mass 0.0836 kg and charge q = +6.84 μC is suspended by a thread between the vertical parallel plates of a parallel-plate capacitor, as shown in the figure below.


If the angle of deflection is θ = 22.3°, and the separation between the plates is d = 0.0221 m, what is the potential difference between the plates?


sorry it wouldn't let me paste the picture..
 

Answers and Replies

  • #2
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If you know the gravitational force and most of the details about the electric force you can use trigonometry to figure out how they relate. How far are you?
 

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