Federal University of Lafia Practical Physics Results
Federal University of Lafia Practical Physics Results
Experiment Overview
- Subject: 100 Level Practical Physics
- Focus: Measuring time for oscillations at various heights
Results Table
- Measured Parameters: Height (Sp) in cm and Time for 10 Oscillations in seconds.
Time Measurements for 10 Oscillations
Height (Sp) in cm:
- 5.00
- 10.00
- 15.00
- 20.00
- 25.00
- 30.00
- 35.00
- 40.00
Time (s) for each respective height:
- Height 5.00 cm: 15.79, 15.64, 15.70 → Mean Period = 1.570 s
- Height 10.00 cm: 15.59, 15.58, 15.59 → Mean Period = 1.559 s
- Height 15.00 cm: 15.39, 15.45, 15.40 → Mean Period = 1.542 s
- Height 20.00 cm: 15.11, 15.14, 15.13 → Mean Period = 1.513 s
- Height 25.00 cm: 15.16, 15.14, 15.15 → Mean Period = 1.3.5 s
- Height 30.00 cm: 14.59, 15.07, 14.83 → Mean Period = 1.483 s
- Height 35.00 cm: 16.04, 16.27, 16.18 → Mean Period = 1.618 s
- Height 40.00 cm: 17.30, 17.04, 17.47 → Mean Period = 1.749 s
Data Analysis
- Additional Calculations:
- Height (h) in cm
- Height Squared (h²) in cm²
- Height times Period Squared (hT²) in cm·s²
Calculated Results
- Calculated Values:
| Height (h) cm | h² (cm²) | hT² (cm·s²) |
|---|---|---|
| 44.50 | 1980 | 109.47 |
| 39.50 | 1560 | 15.48 |
| 54.50 | 1190 | 81.79 |
| 29.50 | 870 | 67.29 |
| 24.50 | 600 | 56.11 |
| 19.50 | 380 | 42.71 |
| 14.50 | 250 | 37.85 |
| 0.90 | 28.98 | 3.05 |
Graphical Representation
- Task: Plot a graph of $hT^2$ against $h^2$.
- Objective: Determine the slope of the graph.
Key Concepts
- Mean Period (T): Time taken for one complete oscillation, calculated by dividing the total time by the number of oscillations.
- Slope of the Graph: Represents the rate of change of $hT^2$ with respect to $h^2$, which may relate to physical properties of the oscillating system being studied (e.g., pendulum behavior).
Mathematical Implications
- The formula to calculate the slope ($m$) between two points on a line is given by:
where $(x1, y1)$ and $(x2, y2)$ are the coordinates of two points on the graph plotted from the experimental results.