A 10-C Point Charge Is 15 M from a Second Point

question 1

Multiple Choice

A 1.0-C point charge is 15 m from a second point charge,and the electric force on one of them due to the other is 1.0 N.What is the magnitude of the second charge? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A)25 C
• B)1.0 C
• C)10 nC
• D)0.025 C
• E)25 nC

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