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QUESTION: Positive charge Q is distributed uniformly along the positive y-axis between y=0 and y=ay. A negative point charge −q lies on the positive x-axis, a distance x from the origin.
Part A
Calculate the x-component of the electric field produced by the charge distribution Q at points on the positive x-axis. Express your answer in terms of some or all of the variables Q, x, y, a, and constant k.
*So I took this and I was able to get: kq/r^(2) then r = C in a^2+b^2=c^2. replace r, you get cos(x/(sqrt(x^(2)+y^(2). From that I am lost besides sec(T) = 1/sqrt(x^2+y^2) What needs to be done after this to calculate an intergul?
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