In the Figure,a Small Spherical Insulator of Mass 6

question 3

Multiple Choice

In the figure,a small spherical insulator of mass 6.00 × 10^-2 kg and charge +0.400 μC is hung by a thin wire of negligible mass.A charge of -0.220 μC is held 0.290 m away from the sphere and directly to the right of it,so the wire makes an angle θ with the vertical,as shown.What is the angle θ? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A)0.917°
• B)1.10°
• C)1.30°
• D)1.50°
• E)1.70°

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