(1356) Problem 7: A 3-D printer lays down a semicircle are of positively charged plastic with a radius R - 1.$ cin, and a linear charge density of a= + 1.9 pCim. After the printer has de finished the ane, the stylus moves to the center of the are as shown. The minute segment of the plastic are highlighted in the diagram subsends an angle of Stylus tip Ctheexpertta.com a 14% Part (a) Input an expression for the charge do on the segment of size do in terms of given parameters. a 14% Part (b) Input an expression for the electric field vector, dE, generated at the center of the are by the minute segment of plastic subtending the are do. Express your answer in terms of given parameters, the Coulomb constant &, and the unit vectors i and j. a 14% Part (c) Evaluate the expression from part (b) as an indefinite integral to determine the x- component of the electrical field, E,, at the center of the are generated by the entire line of charged plastic. 14% Part (d) Select the limits of integration that would result in the correct calculation of the electric field at the center of the are generated by the entire line of charged plastic as shown in the diagram. a 14% Part (e) Use the limits from part (d) and the expression from part (c) to determine an expression for the magnitude of the electric field at the center of the are generated by the entire line of charged plastic. - 4 14% Part (1) Calculate the magnitude of the electric field (in N/C) at the center of the are generated by the entire line of charged plastic. tanki