# Time interval between every other block as the period

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time interval between every other block as the period.Verify that this is so.5.Now you can perform a trial measurement of the period of your pendulum. Pull the mass tothe side about 10º from vertical and release. Clickand measure the period for fivecomplete swings. Click. Click the Statistics button,, to calculate the average period.You will use this technique to measure the period under a variety of conditions.Part I Amplitude6.Determine how the period depends on amplitude. Measure the period for five differentamplitudes. Use a range of amplitudes, from just barely enough to unblock the Photogate, toabout 30º. Each time, measure the amplitude using the protractor so that the mass with thestring is released at a known angle. Repeat Step 5 for each different amplitude. Record thedata in your data table.Part II Length7.Use the method you learned above to investigate the effect of changing pendulum length onthe period. Use the steel ball and a consistent amplitude of 20º for each trial. Vary thependulum length in steps of 10 cm, from 1.0 m to 0.50 m. If you have room, continue to alonger length (up to 2 m). Repeat Step 5 for each length. Record the data in the second datatable below. Measure the pendulum length from the rod to the middle of the mass.Revised 2015 by Jacki OmlandPhysics with Computers
Pendulum PeriodsPart III Mass8.Use the 5 different drilled balls to determine if the period is affected by changing the mass.Measure the period of the pendulum constructed with each mass, taking care to keep thedistance from the ring stand rod to the center of the mass the same each time, as well as

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