In an experiment to measure the Coulomb constant, a tiny sphere with charge P = +7.90 nC is suspended from a spring. When two other tiny charged spheres, each with a charge of R = -3.90 µC, are placed in the positions shown in the figure, the spring stretches 0.300 mm from its previous equilibrium position. Calculate the spring constant. 8.00 cm | RO--OR 2.00 cm 2.00 cm |N/m

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**Experiment Description**

In an experiment to measure the Coulomb constant, a tiny sphere with charge \( P = +7.90 \, \text{nC} \) is suspended from a spring. When two other tiny charged spheres, each with a charge of \( R = -3.90 \, \mu\text{C} \), are placed in the positions shown in the figure, the spring stretches \( 0.300 \, \text{mm} \) from its previous equilibrium position. Calculate the spring constant.

**Diagram Explanation**

The diagram illustrates a vertical setup where:

- A sphere (P) is suspended from a spring.
- The charge \( P \) is shown at the point where it is connected to the spring.
- Two charges \( R \) are placed horizontally to the suspended sphere.
- The vertical distance from the charge \( P \) to the horizontal line where the charges \( R \) are located is \( 8.00 \, \text{cm} \).
- Horizontally, the charges \( R \) are both \( 2.00 \, \text{cm} \) away from the centerline passing through charge \( P \).

The spring constant is to be calculated and represented in \(\text{N/m}\) using the given parameters.
Transcribed Image Text:**Experiment Description** In an experiment to measure the Coulomb constant, a tiny sphere with charge \( P = +7.90 \, \text{nC} \) is suspended from a spring. When two other tiny charged spheres, each with a charge of \( R = -3.90 \, \mu\text{C} \), are placed in the positions shown in the figure, the spring stretches \( 0.300 \, \text{mm} \) from its previous equilibrium position. Calculate the spring constant. **Diagram Explanation** The diagram illustrates a vertical setup where: - A sphere (P) is suspended from a spring. - The charge \( P \) is shown at the point where it is connected to the spring. - Two charges \( R \) are placed horizontally to the suspended sphere. - The vertical distance from the charge \( P \) to the horizontal line where the charges \( R \) are located is \( 8.00 \, \text{cm} \). - Horizontally, the charges \( R \) are both \( 2.00 \, \text{cm} \) away from the centerline passing through charge \( P \). The spring constant is to be calculated and represented in \(\text{N/m}\) using the given parameters.
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