The Pendulum A.Set up a pendulum with a photogate set to read the period. B.Start the data collection to read the period. Record the period and the length.

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Presentation transcript:

The Pendulum A.Set up a pendulum with a photogate set to read the period. B.Start the data collection to read the period. Record the period and the length of the string. C.Adjust the string to a new length and record the new period and length. D. Repeat for 5 different trials.

Setting Up for Pendulum Timing 1.Hook up the Labquest to the computer and start LoggerPro. 2. Go to Experiment> Set Up Sensors> Show All Interfaces 3. Click on the picture of the Photogate and select “ Pendulum Timing”

Data Table and Graph Table ln(L) ln(T) Data table Table for Graphing Trial 1Trial 2Trial 3 TL Period (s) Average PeriodLength (m) TT LL

Questions and Analysis 1.ln(t) vs ln(L) 2.Get the slope from the best linear fit. 3.Find the coefficient for the equation T =aL n 4. Find the value for a in the same equation. 5. Use a to find a value for the acceleration due to gravity.

Report Checklist A.Tables B. Graph with linear fit. C. Values for n and a. D. Value for g. E. Summary A.Tables B. Graph with linear fit. C. Values for n and a. D. Value for g. E. Summary