A Tiny Object Carrying a Charge of +3

question 630

Multiple Choice

A tiny object carrying a charge of +3.00 μC and a second tiny charged object are initially very far apart.If it takes of work to bring them to a final configuration in which the +3.00 μC object i is at
X = 1.00 mm,y = 1.00 mm,and the other charged object is at x = 1.00 mm,y = 3.00 mm,find the magnitude of the charge on the second object.(k = 1/4πε₀ = 8.99 × 10⁹ N • m²/C²)

• A) 2.15 μC
• B) 4.30 μC
• C) 10.74 μC
• D) 4.30 nC

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