A Point Charge Q Is Placed on the X Axis

question 62

Multiple Choice

A point charge Q is placed on the x axis at x = −2.0 m. A second point charge, −Q, is placed at x = 1.0 m. If Q = 60 μC, what is the magnitude of the electrostatic force on a 40-μC charge placed at the origin?

• A) 16 N
• B) 27 N
• C) 32 N
• D) 11 N
• E) 3.0 N

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