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(Solved): Two tiny spheres of mass 8.80 mg carry charges of equal magnitude, 72.0 nC , but opposite sign. The ...



Two tiny spheres of mass 8.80 mg carry charges of equal magnitude, 72.0 nC , but opposite sign. They are tied to the same ceiling hook by light strings 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 rest with the angle

\theta

between the strings equal to

58.0\deg

(Figure 1 ). Part A Which ball (the one on the right or the one on the left) has positive charge? the one on the right the one on the left Previous Answers Correct Part B What is the magnitude

E

of the field? Express your answer with the appropriate units.

E=,\pi


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