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 +91 nC and hang at rest as shown.What is the angle θ?
(k = 1/4πε0 = 8.99 × 109 N • m2/C2) 
A) 4.1°
B) 8.2°
C) 12°
D) 16°
Correct Answer:
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