"" |'_- ed ed ed ed ed ed ed ed ed ed ed ed ed (6%) Problem 14: Two thin plastic rods, each oflength L = N15 cm, are placed lengthw1se along the x- axis with their ends D = 13.5 cm apart. Each rod carries a uniform linear charge densn'y }_ = 3'5 ithm. Refer to the figure. I tllccxlln'liuxum a 17 % Part (a) Enter an expression for the magnitude of the electric force that a thin slice dxl of the rst rod, located at x1, exerts on a thin slice dxz of the second rod, located at x2, in terms of dened quantities and the Coulomb constant. Grade Summary JP\" 2 ' Deductions Potential 100% Submissions 11 l\" B [ 7 8 9 Attempts remaining: _ d3; dxl dxz 4 5 6 ( per attempt) LIL'ltlilcll um dr g k 1 3 m t x + 0 x1 X2 y N't) Submit Hint Hints: deduction per hint Hints remaining; 7 Feedback: deduction per feedback. a 17% Part 0)) Choose the correct expression for the magnitude of the electric force that the rst rod exerts on the second rod. Find that expression by integrating your answer in part (a) over the lengths of both rods. Combine the resulting logarithms into a single logarithm. u-,t;l'n-'-; ...;*;f;'-; x Incorrect! Feedback: is available. s: 17% Part (c) Calculate the magnitude of the electric force on the second rod due to the rst rod, in newtons. Fl2 = 7.790 X Incorrect! 17% Part (cl) What is the direction of the electric force on the second plastic rod? Take positive to indicate to the right. Positive xdirection J Correct! a 17% Part {0) Calculate the magnitude of the force that the second rod exerts on the rst rod, in newtons