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(Solved): a) [111 pts] A plastic rod 1.1 m long is rubbed all over with wool, and acquires a charge of 7.7E-8 ...



a) [111 pts] A plastic rod 1.1 m long is rubbed all over with wool, and acquires a charge of 7.7E-8 coulombs. We choose the center of the rod to be the origin of our coordinate system, with the x-axis extending to the right, the y-axis extending up, and the z-axis out of the page. In order to calculate the electric field at location

A=(:0.7,0,0:)m

, we divide the rod into 8 pieces, and approximate each piece as a point charge located at the center of the piece. What is the length of one of these pieces?

1=0.1375

m (b)

(0)/(1)pts

What is the location of the center of piece number 6? <

?

.

>m

(c) pts



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