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A charge Q=5.8×10−4 C is distributed uniformly along a rod of length L, extending from =−29.7/2 cm to =+29.7/2 cm, as shown in the diagram below. A charge q=7.8×10−6 C, and the same sign as Q, is placed at (D,0), where D=71 cm.

Use integration to compute the total force on q in the x direction.

L/2
dy
r
D
-L/2

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