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The figure shows two tiny 5.0-g spheres suspended from two very thin 1.0-m-long threads. The spheres...

The figure shows two tiny 5.0-g spheres suspended from two very thin 1.0-m-long threads. The spheres repel each other after being charged to +71 nC and hang at rest asshown. What is the angle ?? (k = 1/4pe 0 = 8.99 × 109 N · m2/C2)

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