Potential Energy of Point-Charges: a Very Small Object Carrying -

question 18

Multiple Choice

Potential energy of point-charges: A very small object carrying - 6.0 μC of charge is attracted to a large, well-anchored, positively charged object. How much kinetic energy does the negatively charged object gain if the potential difference through which it moves is 3.0 mV? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A) 18 nJ
• B) 0.50 kJ
• C) 0.50 J
• D) 6.0 μJ

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