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August 29, 2015

Homework Help: College Physics

Posted by Samuel on Monday, March 24, 2014 at 12:18am.

The point charges in Figure 17.41 are located at the corners of an equilateral triangle 25.0 cm on a side, where qb = +12.0 ÁC and qc = -4.50 ÁC. (Assume that the +x-axis is directed to the right.)


(a) Find the electric field at the location of qa.
Magnitude
? N/C
Direction
? ░ (counterclockwise from the +x-axis)

(b) What is the force on qa, given that qa = +1.50 nC?
Magnitude
? N
Direction
? ░ (counterclockwise from the +x-axis)

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