Consider the following graphs showing the period versus mass data for a mass on a spring vibrating about an equilibrium position. Which of the graphs represent the best line fit for the data? A. B 14 1.6 13 y= 3.2229x +0.3793 R =0.9859 y-0.4678e R-0.9417 12 14 11 12 0.9 0.8 0.7 0.8 0.6 0.6 05 0.4 04 a1 0 15 0.2 0.25 03 0.35 0.05 015 0.25 0.3 0.35 Mass (kg) Mass (ke) y2.507 R-0.9974 14 1.4 y= 10667x-9600x+ 3226 7x-502x+ 39.167x -0.55 R-1 13 13 12 1.2 11 1.1 0.9 0.9 0.8 07 0.7 06 0,6 0.5 0.5 04 0.4 0.05 015 0.2 0.25 0.3 035 0.05 0.1 015 0.2 0.25 0.3 0.35 Mass (kg) Mass (kg) Perlod, T Perlod, T Period, T

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**Period vs. Mass Data for a Mass-Spring System**

This section analyzes four different graphs (A, B, C, and D) showing the relationship between the period (T) and mass (m) of a vibrating system at equilibrium. Each graph represents a distinct mathematical fit for the data.

---

**Graph A:**
- **Equation:** \( y = 3.222x - 0.3793 \)
- **Coefficient of Determination (R²):** 0.9895

Graph A shows a linear relationship, with a relatively high R² value indicating a strong correlation between mass and period.

---

**Graph B:**
- **Equation:** \( y = 0.4766x^{1.7} \)
- **Coefficient of Determination (R²):** 0.9417

Graph B represents a power law fit, suggesting that the period increases at a rate proportional to the mass raised to the power of 1.7. The R² value is moderate, indicating a less ideal fit compared to Graph A.

---

**Graph C:**
- **Equation:** \( y = 1066x^4 - 9600x^3 + 3226.7x^2 - 39.167x - 0.55 \)
- **Coefficient of Determination (R²):** 1

Graph C uses a polynomial fit of degree 4, with an R² value of 1, implying a perfect fit to the data. However, overfitting may be a concern.

---

**Graph D:**
- **Equation:** \( y = 2.5078x^{0.502} \)
- **Coefficient of Determination (R²):** 0.9374

Graph D displays another power law fit, with the period proportional to the mass raised to approximately 0.502. While this has a lower R² value compared to graph A, it still describes a significant portion of the variation.

---

**Analysis:**
When determining the best line fit for the data, consider both the simplicity of the model and the R² value. Graph A, with its linear equation and high R², offers a straightforward and highly predictive fit. In contrast, Graph C, while perfect in R², might overcomplicate the model.
Transcribed Image Text:**Period vs. Mass Data for a Mass-Spring System** This section analyzes four different graphs (A, B, C, and D) showing the relationship between the period (T) and mass (m) of a vibrating system at equilibrium. Each graph represents a distinct mathematical fit for the data. --- **Graph A:** - **Equation:** \( y = 3.222x - 0.3793 \) - **Coefficient of Determination (R²):** 0.9895 Graph A shows a linear relationship, with a relatively high R² value indicating a strong correlation between mass and period. --- **Graph B:** - **Equation:** \( y = 0.4766x^{1.7} \) - **Coefficient of Determination (R²):** 0.9417 Graph B represents a power law fit, suggesting that the period increases at a rate proportional to the mass raised to the power of 1.7. The R² value is moderate, indicating a less ideal fit compared to Graph A. --- **Graph C:** - **Equation:** \( y = 1066x^4 - 9600x^3 + 3226.7x^2 - 39.167x - 0.55 \) - **Coefficient of Determination (R²):** 1 Graph C uses a polynomial fit of degree 4, with an R² value of 1, implying a perfect fit to the data. However, overfitting may be a concern. --- **Graph D:** - **Equation:** \( y = 2.5078x^{0.502} \) - **Coefficient of Determination (R²):** 0.9374 Graph D displays another power law fit, with the period proportional to the mass raised to approximately 0.502. While this has a lower R² value compared to graph A, it still describes a significant portion of the variation. --- **Analysis:** When determining the best line fit for the data, consider both the simplicity of the model and the R² value. Graph A, with its linear equation and high R², offers a straightforward and highly predictive fit. In contrast, Graph C, while perfect in R², might overcomplicate the model.
Expert Solution
Step 1

Time period of a vibrating particle is given by;

T=2πmk

Here, T is the time period

m is mass

k is force constant

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