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**1. Homework Statement**

A very long, straight wire has charge per unit length 1.47×10^10

At what distance from the wire is the electric field magnitude equal to 2.57 N/C

**2. Homework Equations**

E = lambda / (2*pi*E_o*r)

E_o = 8.85*10^-9

**3. The Attempt at a Solution**

2*pi*E_o*E / lambda = r

Is this correct so far?