Part (a)  Find the magnitude of the electric field, in newtons per coulomb, at the center of the triangular configuration of charges, given that qa = 1.9 nC, qb = -7.2 nC, and qc = 1.4 nC. |E| =______ N/C Part (b)  Find the direction of the electric field in degrees below the right-pointing horizontal (the positive x-axis).

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Part (a)  Find the magnitude of the electric field, in newtons per coulomb, at the center of the triangular configuration of charges, given that qa = 1.9 nC, qb = -7.2 nC, and qc = 1.4 nC.

|E| =______ N/C

Part (b)  Find the direction of the electric field in degrees below the right-pointing horizontal (the positive x-axis). 

θ = ______

**Problem 21:** In the figure, the point charges are located at the corners of an equilateral triangle 25 cm on a side.

**Diagram Description:**

- The diagram depicts an equilateral triangle with each side measuring 25 cm.
- At each corner of the triangle, there is a point charge. These charges are labeled as \( q_a \), \( q_b \), and \( q_c \).
- The triangle is represented with dashed blue lines.
- The center of the triangle is marked with a black dot and labeled as point \( P \).

For further explanation or mathematical computation involving these charges and their configuration, you may refer to the related sections of the educational content.
Transcribed Image Text:**Problem 21:** In the figure, the point charges are located at the corners of an equilateral triangle 25 cm on a side. **Diagram Description:** - The diagram depicts an equilateral triangle with each side measuring 25 cm. - At each corner of the triangle, there is a point charge. These charges are labeled as \( q_a \), \( q_b \), and \( q_c \). - The triangle is represented with dashed blue lines. - The center of the triangle is marked with a black dot and labeled as point \( P \). For further explanation or mathematical computation involving these charges and their configuration, you may refer to the related sections of the educational content.
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