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A thin, charged rod is laid along the +:L'-axis. The rods length is L = 45 cm: and its left end is located a distance D = 3.0111 from the origin. The linear charge density A of the rod is not uniform= but instead varies with position according to M33) = (1(35' ~ D), where a = 270 pC/In2 is a constant. De- termine the magnitude of the electric eld E at the origin that results from this charged rod. For the limit. check, inves- tigate what happens to E if the rod is moved very far down the +ZE-ELXiS (i.e., D ~> 00) while everything else remains the same. Representation: 0 1 2 Physics Concept (5): 0 1 2 Initial Equation(s): 0 0.5 1 Symbolic Answer: 0 1 Units Check: 0 0.5 1 Limits Check: 0 0.5 1 Neatness: 2 1 0 Total: Correct Answer: Y N