# From the ring stand rod to the center of the mass the

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from the ring stand rod to the center of the mass the same each time, as well as keeping theamplitude the same. Repeat Step 5 for each mass, using an amplitude of about 10°. Recordthe data in your data tableDATA TABLEPart I AmplitudeAmplitudeAverage period(°)(s)50100150200250Part II LengthLengthAverage period(cm)(s)Physics with Computers14 - 3
Experiment 14Part III MassMassAverage period(g)(s)WoodPlasticAluminumBrassANALYSIS1.Why is LoggerProset up to report the time betweeneveryotherblocking of the Photogate?Why not the time between every block?2.UsingExcel,plot a graph of pendulum periodvs. amplitude in degrees. Does the perioddepend on amplitude? Explain.3.UsingExcel, plot a graph of pendulum periodT vs. lengthl. Does the period appear todepend on length?4.UsingExcel,plot the pendulum periodvs. mass. Does the period appear to depend onmass? Do you have enough data to answer conclusively?How to Format Chart Axis1)After you make your chart, double-click on the vertical (y) axis. (The window thatopens should say “Format Axis” at the top)2)Click on the scale tab3)Set your minimum value to 0.04)Set your maximum value to the maximum value of your data+ 25)Click OK and you are finished5. EXTENSIONS1.Take data from your Data TableTvs.l, and determine a value forgfor three differentexperiments.2.Find the average value for all three calculations.14 - 4Physics with Computers
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