Experiment 1 - Velocity, Acceleration, and g

Experiment 1 - Velocity, Acceleration, and g - Velocity,...

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Unformatted text preview: Velocity, Acceleration, and g Experiment #1 Jae Chung 10/1/2007 Introduction: For this lab, we studied a riders motion on a level air track for the first experiment and on a sloped track of varying angles for the second experiment. The purpose of the first experiment was to determine the coefficient of restitution and the purpose of the second experiment was to determine gravitational acceleration using kinematics formulas. Our unweighted coefficient of restitution came out to 0.834 0.088 and our gravitational constant was 10.30 0.18 m/s 2 . Both values seemed reasonable, so they met our general expectations. Procedure: As illustrated in the diagrams above, we worked with a Sonic Ranger, air track, rider, and data acquisition PC. The leveling feet were used to fine tune the height of the air track, and the metal shims were used to incline the track to various heights for the second half of the experiment. Before beginning, we made sure our Sonic Ranger is working properly by switching it to person mode and measuring velocity vs. time for your partner. Since x = v + at, the resulting graph should be approximately linear. After seeing that it was approximately linear, we proceeded with the experiment. Next, the Sonic Ranger was aligned with the air track. To do this, we switched the Ranger to cart mode, turned the air track on, set the rider on the track, and gave the rider a small push. Then we checked to see that the PC plots a smooth position vs. time plot. After several rearrangements, we were satisfied. For the first half of the experiment, we leveled the air track as much as possible using the leveling feet and paper sheets to eliminate as much gravitational effect as we could. We decided to have one person always push the rider and one person always retrieve the data. This way, we would hopefully be able to obtain consistent velocity data and streamline the process.obtain consistent velocity data and streamline the process....
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This note was uploaded on 04/07/2008 for the course PHYS 1493 taught by Professor Lab during the Fall '08 term at Columbia.

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Experiment 1 - Velocity, Acceleration, and g - Velocity,...

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