Plab9 - Lab 9: The Simple Pendulum, the Physical Pendulum,...

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Lab 9: The Simple Pendulum, the Physical Pendulum, and the Pursuit of Buoyancy. SAR Physics A M Kolchin The Purposes of this lab are to: 1. Verify an equation relating the period of a simple pendulum to its length. 2. Verify an equation relating the period of a phys- ical pendulum to its rotational inertia. 3. Investigate how buoyancy (a) reduces the apparent weight of an object. (b) gave rise to the expression: ”.... and that’s just the tip of the iceberg.” 1
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I. The Simple Pendulum We saw in the second lab that the period of the simple period depended only on the length of the string connecting the mass to its pivot. Now we’ll be more specific and state that the period ( T ) of a pendulum is predicted to be: T pred = 2 π v u u u t L g For each of the two simple pendula set up: 1. Measure the length L and record it in the data table in meters . 2. Calculate the predicted period T pred using the formula above and record it in the data table in seconds . 3. Measure the time it takes for the pendulum to
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Plab9 - Lab 9: The Simple Pendulum, the Physical Pendulum,...

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