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Two tiny spheres of mass m = 8.80mg carry charges of equal magnitude, 72.0 nC, but opposite...

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Physics

Two tiny spheres of mass m = 8.80mgcarry charges of equal magnitude, 72.0 nC,but opposite sign. They are tied to the same ceiling hook by lightstrings of length 0.530 m.When a horizontal uniform electric field E that is directed to the left is turned on, the spheres hang at restwith the angle ? between the strings equal to 50.0?inthe following figure

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4.0 Ratings (454 Votes)
E forceunit charge so you know the mass and you know g and you know the attraction between the spheres kqqr2 sum of the Forces ma ie but im thinking torques now honestly based on a pivot point at the hook    See Answer
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