The Figure Shows Two Tiny 5

question 59

Multiple Choice

The figure shows two tiny 5.0-g spheres suspended from very light 1.0-m-long threads. The spheres repel each other after each one is given the same positive charge and hang at rest when θ = 4.1°. What is the charge on each sphere? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)22 nC
• B)89 nC
• C)360 nC
• D)180 nC
• E)45 nC

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