Two charges +8 μC and +10 μC are placed along the x axis, with the first charge at the origin (0) and the second charge at x = +1 m. Find the magnitude and direction of the net force on a -3 nC charge when placed at the following locations below. -

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**Problem Overview: Calculating Net Force Using Coulomb’s Law**

Two charges, +8 μC and +10 μC, are placed along the x-axis. The first charge is at the origin (\(x = 0\)) and the second charge at \(x = +1 \, \text{m}\). Determine the magnitude and direction of the net force on a -3 nC charge when placed at the following locations.

**Steps for Solution:**

1. **Use of Coulomb's Law:**
   - Review Section 5.3 Coulomb’s Law.
   - Calculate the force due to each of the two charges.
   - Sum the forces for the net force, considering directions for accuracy. Part (c) will require a vector sum.

2. **Problem Locations:**
   - **a.** Halfway between the two charges:
     - Determine the magnitude and select the direction from dropdown options.
     
   - **b.** On the x-axis at \(x = -0.5 \, \text{m}\):
     - Determine the magnitude and select the direction from dropdown options.
     
   - **c.** At the coordinate (1 m, 0.5 m):
     - This requires considering a direction perpendicular to the line joining the two fixed charges.

**Hints and Calculations for Part (c):**

- This is a 2-dimensional problem.
- The charge at \(x = 1 \, \text{m}\) affects force along the y-direction.
- Charge at the origin affects force along the line joining \((x, y) = (0, 0)\) and \((x, y) = (1 \, \text{m}, 0.5 \, \text{m})\).
- Express each force vector in terms of \(x\) and \(y\) components, sum them, and calculate the resultant magnitude using the Pythagorean theorem.
- Use \(\tan(\theta) = \frac{F_y}{F_x}\) to find direction.

**Answer Submission:**

- Enter the magnitude of force in mN and direction in degrees.
- Use the "Submit Question" option for checking answers.

**Question Help:**

- Access support through "Message Instructor" for clarifications.

For detailed resources and formulas, refer to the mentioned section on Coulomb’s Law.
Transcribed Image Text:**Problem Overview: Calculating Net Force Using Coulomb’s Law** Two charges, +8 μC and +10 μC, are placed along the x-axis. The first charge is at the origin (\(x = 0\)) and the second charge at \(x = +1 \, \text{m}\). Determine the magnitude and direction of the net force on a -3 nC charge when placed at the following locations. **Steps for Solution:** 1. **Use of Coulomb's Law:** - Review Section 5.3 Coulomb’s Law. - Calculate the force due to each of the two charges. - Sum the forces for the net force, considering directions for accuracy. Part (c) will require a vector sum. 2. **Problem Locations:** - **a.** Halfway between the two charges: - Determine the magnitude and select the direction from dropdown options. - **b.** On the x-axis at \(x = -0.5 \, \text{m}\): - Determine the magnitude and select the direction from dropdown options. - **c.** At the coordinate (1 m, 0.5 m): - This requires considering a direction perpendicular to the line joining the two fixed charges. **Hints and Calculations for Part (c):** - This is a 2-dimensional problem. - The charge at \(x = 1 \, \text{m}\) affects force along the y-direction. - Charge at the origin affects force along the line joining \((x, y) = (0, 0)\) and \((x, y) = (1 \, \text{m}, 0.5 \, \text{m})\). - Express each force vector in terms of \(x\) and \(y\) components, sum them, and calculate the resultant magnitude using the Pythagorean theorem. - Use \(\tan(\theta) = \frac{F_y}{F_x}\) to find direction. **Answer Submission:** - Enter the magnitude of force in mN and direction in degrees. - Use the "Submit Question" option for checking answers. **Question Help:** - Access support through "Message Instructor" for clarifications. For detailed resources and formulas, refer to the mentioned section on Coulomb’s Law.
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