What is the x component of the electrostatic force

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When three point charges +4.0 μC, -5.0 μC, and -9.0 μC are placed on the x-axis at the points x = 0 cm, x = 40 cm, and x = 120 cm, respectively.

What is the x component of the electrostatic force on the -9.0 μC charge due to the other two charges?

Reference no: EM13977889

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