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) cmh² (cm²)hT² (cm·s²)
44.501980109.47
39.50156015.48
54.50119081.79
29.5087067.29
24.5060056.11
19.5038042.71
14.5025037.85
0.9028.983.05

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:
    m=y<em>2y</em>1x<em>2x</em>1m = \frac{y<em>2 - y</em>1}{x<em>2 - x</em>1}
    where $(x1, y1)$ and $(x2, y2)$ are the coordinates of two points on the graph plotted from the experimental results.