Two Small Spheres, Each with Mass M = 5

question 54

Multiple Choice

Two small spheres, each with mass m = 5.0 g and charge q, are suspended from a point by threads of length L = 0.30 m. What is the charge on each sphere if the threads make an angle = 20º with the vertical?

• A) 7.9 × 10^-7 C
• B) 2.9 × 10^-7 C
• C) 7.5 × 10^-2 C
• D) 6.3 × 10^-13 C
• E) 1.8 × 10^-7 C

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