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MusWolf
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Homework Statement
A thin rod carries a charge Q distributed uniformly over its length L , and is situated on the x-axis between x=±L/2. Find the electric field at an arbitrary point (x, y). (You will have to do separate integrals for the x and y components.)
Homework Equations
∫dE=∫kdq/r2
The Attempt at a Solution
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Mastering Physics is telling me that the answer does not depend on k, lambda or a, which are variables I defined.
I have another method of attempting the question which results in a nasty integration, it's basically Mastering Physics being very ambiguous in what I am allowed to define. As seen here: