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# lab3 - track’s magnet grew the times it took to pass...

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Zoheb Noorani Todd Chapman Experiment 3 Introduction The purpose of this lab is to prove that force is the derivative of Potential energy. We accomplish this by placing a magnet on a glider and another magnet with the opposite polarity facing the glider on the frictionless track. This causes the magnets to build up a potential energy that gets converted into kinetic energy which moves the glider down the track. As the glider moves down the track we measure the time it takes to go through a photogate in order to measure the time it takes to travel thorough it thus allowing us to calculate the velocity and kinetic energy of the glider, which in turn helped us find the potential energy of the glider when it is forced near the magnet on the track. Conclusion Upon completion of this lab, we observe that as the glider’s starting distance from the
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Unformatted text preview: track’s magnet grew the times it took to pass through the photogate increased. This observation follow the theory that as the starting potential energy decreases the final kinetic energy will decrease. We used the average times to than calculate the potential energy of the magnets at the different distances. We accomplished this by using the formula U= (m1)/((x + m2)^3). We than graphed these values against the distance between the magnets and found the Potential energy curve. This graph supports the observation that as the magnets were placed further apart the potential energy decreased. The main error in this lab include the fact that when the 2 magnets were close together the energy was so great that when the glider was released it would hop off the track thus causing the gliders velocity to be alerted....
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