Solving a problem in physics section 73 point 28 electr

Solving a problem in physics section 73 point 28 electr

28. In figure AA is a charged infinite plane with a surface charge density σ = 40 µC / m2 and B is a ball of the same name with a mass of m = 1 g and a charge of q = 1 nC. What angle α with the AA plane forms the thread on which the ball hangs?

Additional information:

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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