Two Like Charges of the Same Magnitude Are 5

question 13

Multiple Choice

Two like charges of the same magnitude are 5.0 mm apart.If the force of repulsion they exert upon each other is 2.0 N,what is the magnitude of each charge? (The constant of proportionality for the Coulombic force is 9.0 × 10⁹ N·m²/C². )

• A)7.5 × 10^-2 C
• B)7.5 × 10^-8 C
• C)7.2 × 10² C
• D)7.5 × 10^-5 C

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