Two positively charged spheres are shown in the figure below. Sphere 1 has twice as much charge as sphere 2. Find an expression for the electrostatic field at point A in terms of the parameters shown in the figure. (Use the following as necessary: d, k, q, and y.) Etot = + A L 92=9 91 = 2q d/2d/2

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**Title:** Electrostatic Field of Two Positively Charged Spheres

**Description:**

Two positively charged spheres are shown in the figure below. Sphere 1 has twice as much charge as sphere 2. Find an expression for the electrostatic field at point A in terms of the parameters shown in the figure. (Use the following as necessary: \( d \), \( k \), \( q \), and \( y \).)

**Equation:**
\[ \vec{E}_{\mathrm{tot}} = \boxed{\ } \hat{i} + \boxed{\ } \hat{j} \]

**Diagram Description:**

- The diagram features two positively charged spheres located on the x-axis.
  - Sphere 1, on the left side, has a charge \( q_1 = 2q \).
  - Sphere 2, on the right side, has a charge \( q_2 = q \).
- The distance between the centers of the two spheres is \( d \).
- Point A is located on the y-axis, vertically above the midpoint between the two spheres.
  - The vertical distance from the midpoint to point A is \( y \).
  - This point forms right-angled triangles where the hypotenuse is the distance from each charge to point A.

**Variables:**
- \( d \): Distance between the centers of the two spheres.
- \( k \): Coulomb's constant.
- \( q \): Unit charge for reference.
- \( y \): Vertical distance from the midpoint of the two charges to point A.

By understanding the individual contributions of the electric fields from each sphere and summing their components, one can derive the total electrostatic field at point A.
Transcribed Image Text:**Title:** Electrostatic Field of Two Positively Charged Spheres **Description:** Two positively charged spheres are shown in the figure below. Sphere 1 has twice as much charge as sphere 2. Find an expression for the electrostatic field at point A in terms of the parameters shown in the figure. (Use the following as necessary: \( d \), \( k \), \( q \), and \( y \).) **Equation:** \[ \vec{E}_{\mathrm{tot}} = \boxed{\ } \hat{i} + \boxed{\ } \hat{j} \] **Diagram Description:** - The diagram features two positively charged spheres located on the x-axis. - Sphere 1, on the left side, has a charge \( q_1 = 2q \). - Sphere 2, on the right side, has a charge \( q_2 = q \). - The distance between the centers of the two spheres is \( d \). - Point A is located on the y-axis, vertically above the midpoint between the two spheres. - The vertical distance from the midpoint to point A is \( y \). - This point forms right-angled triangles where the hypotenuse is the distance from each charge to point A. **Variables:** - \( d \): Distance between the centers of the two spheres. - \( k \): Coulomb's constant. - \( q \): Unit charge for reference. - \( y \): Vertical distance from the midpoint of the two charges to point A. By understanding the individual contributions of the electric fields from each sphere and summing their components, one can derive the total electrostatic field at point A.
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