The Figure Shows an Arrangement of Two Particles Each Having

question 112

Multiple Choice

The figure shows an arrangement of two particles each having charge Q = -6.8 nC and each separated by 5.0 mm from a proton.If the two particles are held fixed at their locations and the proton is set into motion as shown,what is the minimum speed the proton needs to totally escape from these particles? (m_proton = 1.67 × 10^-27 kg,e = 1.60 × 10^-19 C,k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)2.2 × 10⁶ m/s
• B)4.3 × 10⁶ m/s
• C)8.3 × 10⁶ m/s
• D)1.7 × 10⁷ m/s

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