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Two 4.0-gg aluminum foil balls hang from 1.0-mm-long threads that are suspended from the same point...

Two 4.0-gg aluminum foil balls hang from 1.0-mm-long threads that are suspended from the same point at the top. The charge on each ball is +6.0×10−9C+6.0×10−9C.

Determine the angle between the threads. Assume the gravitational force is much greater than the electrostatic force.

Express your answer in degrees.

Determine the tension force exerted by the string.

Express your answer with the appropriate units.

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