3. Consider there are four point charges of magnitude qı = 2 nC, q2 = -6 nC, q: = 8 nC and qa = unknown are located at four different corners of a square of edge 4 mm. The net electrostatic potentials at the center point of the square is 140 V. Calculate the value of unknown point charges.

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Answer the questions in the image

2. If e and p denote the electron and proton in the figure, calculate the net
electrostatic force and its direction at point O.
-e
30°
30°
3. Consider there are four point charges of magnitude q1= 2 nC, q2 = -6 nC q3= 8 nC and q.=
unknown are located at four different corners of a square of edge 4 mm. The net electrostatic
potentials at the center point of the square is 140 v. Calculate the value of unknown point
charges.
Transcribed Image Text:2. If e and p denote the electron and proton in the figure, calculate the net electrostatic force and its direction at point O. -e 30° 30° 3. Consider there are four point charges of magnitude q1= 2 nC, q2 = -6 nC q3= 8 nC and q.= unknown are located at four different corners of a square of edge 4 mm. The net electrostatic potentials at the center point of the square is 140 v. Calculate the value of unknown point charges.
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