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AP Physics 2
10.1 Electric Charge and Electric Force
AdvancedMCQConceptual19k
Suspended repelling charged spheres in static equilibrium.
Suspended repelling charged spheres in static equilibrium.
Two small insulating spheres, 1 and 2, are suspended from a common support point on a ceiling by lightweight insulating strings of equal length. Sphere 1 has mass \(m_1 = m\) and charge \(q_1 = +Q\), while sphere 2 has mass \(m_2 = 2m\) and charge \(q_2 = +3Q\). The spheres repel each other and reach static equilibrium with their supporting strings making angles \(\theta_1\) and \(\theta_2\) relative to the vertical, respectively. Which of the following correctly compares the deflection angles \(\theta_1\) and \(\theta_2\) and provides a valid justification?

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