labreport3 - Kinetic energy and work Statement of the...

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Kinetic energy and work Statement of the problem: In the experiment, we tested the efficiency of a bumper. We did the experiment using a cart with a magnet colliding with a magnetic bumper; therefore we neglected the force of friction when calculating the efficiency. We used a long metallic block with friction to create an incline and released the car from rest from some height above the ground. When the car reached the bottom of the incline it bounced back We made a movie with the video equipment provided. We recorded the cart going back and forth on the block and made a recording of 2 collisions. The movie was analyzed with LabVIEW to study the efficiency of the bumper. Prediction Our group predicted that the expression for the efficiency of the collision is the ratio of the final energy to the initial energy of the system. We decided to check this in terms of the car’s initial height above the bumper and the car’s maximum rebound height above the bumper. We start with 4 diagrams of critical situations in the experiment:
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labreport3 - Kinetic energy and work Statement of the...

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