Magnitude of the electric field?

[Eliasm]

Homework Statement

Charge of uniform density 4.0nC / m is distributed along the x axis from x = - 2.0m to x = + 3.0 * m . What is the magnitude of the electric field at the point x = +5.0 m on the X axis?

Relevant Equations

Electric field

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[kuruman]

According to PF rules, you need to show some effort and attempt at a solution before receiving help. Also, "Electric field" is not an equation, it is a vector.