Graphical Analysis Lab

# Graphical Analysis Lab - Graphical Analysis Objective To...

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Graphical Analysis Objective: To become familiar with some principles of graphical analysis for use in later laboratories. Apparatuses used: A simple pendulum consisting of a stand, string, and a 497 gram mass. For measurements a meter stick and a stopwatch were used. Procedure: We timed 20 oscillations of the pendulums swing by setting the mass at a 5 degree angle, letting go, then timing the oscillations with the stopwatch. Between trials the only variable we changed was the length of the string. Then we input the timed trials and lengths into KyPlot to observe the relationship between pendulum period and string length. Data: Length (cm) Time 1 (s) Time 2 (s) Time 3 (s) Avg/10 (s) 10 8.05 8.87 8.10 .834 20 9.84 9.99 9.87 .990 30 11.81 11.51 11.72 1.168 50 14.90 14.42 14.90 1.474 80 18.54 18.53 18.51 1.853 100 20.75 20.81 20.75 2.077 Mass: 497 grams Average time calculation: (8.05+8.87+8.10)/3= 8.34 8.34/10=0.834 Data Analysis: ( See attached graphs for visual representation of data and Fit Lines) The data was entered into KyPlot to create graphs and obtain Lines of Best Fit.

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