xperiment 9

xperiment 9 - T^2 L L 3.291 0.76 4.032 0.96 4.739 1.14...

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Robert Nelson Group: Michael Schultz General Physics I Lab PHY2048L Experiment 9 10/27/11

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Introduction: The period of the pendulum is the time it takes for the object to swing passed the midpoint and back. When the angle of a pendulum is small we can use the formula two pi radical L(length) times g(gravity). It is dependent on the gravity and length, but not amplitude and mass since the speed of gravity is not affected by the an objects mass. This formula works when using small angle formula, since sin theta would be close enough to theta to not be considered in the formula –mgsin(theta).
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Unformatted text preview: T^2 L L 3.291 0.76 4.032 0.96 4.739 1.14 5.382 1.34 5.954 1.54 T^2 Conclusion: This experiment shows us first hand that mass and amplitude, in small enough angles, does not affect the period of the pendulum swing. The measured results were close to the calculated showing a successfully accurate experiment, and in the graph there is a straight slope referencing the acceleration of the object, because of gravity. We couldn’t experiment on this, but with the information we can see that changing the gravity would change the period of oscillation....
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