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Unformatted text preview: change in direction on the velocity graph. The initial velocities are equal to zero. The results for the second run down the track were almost identical. You have to take into consideration that they should be equal if you do everything at the exact same time, therefore if it was computer based mechanical arms doing the work the results would be equal. In conclusion, the values of a given run are precise, they do have some error in computing but that error is limited. The values from the two runs are very close and the only difference in them was the human error factor. The data in my graphs are very well described by the equations given. You could plot these equations and see why one is a parabola and the other a straight line. The data isn’t fit by the exponential curve because the initial velocity is equal to zero therefore the exponent will make the value one. Equation three is not valid and should not be used for this type of problem....
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 Spring '10
 TINDALL
 Acceleration, Velocity, Ultrasonic Motion Detector, Adam J. Englert, Kinematics Lab Adam

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