A charge of uniform density (29 nC/m) is distributed along the x axis from the origin to the point x = 20.9 m. What is the electric potential (relative to zero at infinity) at a point, x = 79 m, on the x axis?

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**Problem Statement:**

A charge of uniform density (29 nC/m) is distributed along the x-axis from the origin to the point \( x = 20.9 \text{ m} \). What is the electric potential (relative to zero at infinity) at a point \( x = 79 \text{ m} \) on the x-axis?

**Explanation for the Graphs/ Diagrams:**

There are no graphs or diagrams provided in this image. If a detailed explanation or solution involving graphical representation or a diagram is required, one could consider visualizing the problem as follows:

1. **Coordinate System:**
   - Draw the x-axis, marking the origin at \( x = 0 \) and extending to \( x > 20.9 \text{ m} \).
   
2. **Charge Distribution:**
   - Illustrate the uniformly distributed charge segment from \( x = 0 \text{ m} \) to \( x = 20.9 \text{ m} \).
   
3. **Point of Interest:**
   - Indicate the point \( x = 79 \text{ m} \) where the electric potential is to be calculated.

This setup would help visualize the scenario for deriving the electric potential due to a line charge. 

**Solution Outline:**

To solve the given problem, understand the following steps:

1. **Break the Uniform Line Charge:**
   - Consider a small element of charge \( dq \) at a distance \( x \) from the origin within the line segment \( 0 \leq x \leq 20.9 \text{ m} \).

2. **Expression for \( dq \):**
   - Let \( λ \) be the charge density (λ = 29 nC/m), then \( dq = λ \, dx = 29 \times 10^{-9} \text{ C/m} \times dx \).

3. **Electric Potential Contribution \( dV \):**
   - The potential due to a small charge element \( dq \) at \( x = 79 \text{ m} \) is given by \( dV = \frac{kdq}{r} \) where \( k \) is Coulomb's constant \( 8.99 \times 10^9 \text{ N·m}^2/\text{C}^2 \), and \( r \) is the distance between the
Transcribed Image Text:**Problem Statement:** A charge of uniform density (29 nC/m) is distributed along the x-axis from the origin to the point \( x = 20.9 \text{ m} \). What is the electric potential (relative to zero at infinity) at a point \( x = 79 \text{ m} \) on the x-axis? **Explanation for the Graphs/ Diagrams:** There are no graphs or diagrams provided in this image. If a detailed explanation or solution involving graphical representation or a diagram is required, one could consider visualizing the problem as follows: 1. **Coordinate System:** - Draw the x-axis, marking the origin at \( x = 0 \) and extending to \( x > 20.9 \text{ m} \). 2. **Charge Distribution:** - Illustrate the uniformly distributed charge segment from \( x = 0 \text{ m} \) to \( x = 20.9 \text{ m} \). 3. **Point of Interest:** - Indicate the point \( x = 79 \text{ m} \) where the electric potential is to be calculated. This setup would help visualize the scenario for deriving the electric potential due to a line charge. **Solution Outline:** To solve the given problem, understand the following steps: 1. **Break the Uniform Line Charge:** - Consider a small element of charge \( dq \) at a distance \( x \) from the origin within the line segment \( 0 \leq x \leq 20.9 \text{ m} \). 2. **Expression for \( dq \):** - Let \( λ \) be the charge density (λ = 29 nC/m), then \( dq = λ \, dx = 29 \times 10^{-9} \text{ C/m} \times dx \). 3. **Electric Potential Contribution \( dV \):** - The potential due to a small charge element \( dq \) at \( x = 79 \text{ m} \) is given by \( dV = \frac{kdq}{r} \) where \( k \) is Coulomb's constant \( 8.99 \times 10^9 \text{ N·m}^2/\text{C}^2 \), and \( r \) is the distance between the
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