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Projectile motion2 - Random errors were more significant in...

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Discussion: The time-of-flights in the first part of the experiment changed with the initial velocity. As V 0 =R/T, the time of flight is inversely proportional to the initial velocity. A basic way to say this is the more rapid a projectile is traveling, the less time it needs for it to reach its destination. In this experiment, the predicted results for time of flight as well as range agreed with the experimental uncertainties that were calculated. Different tools were used to measure time of flight vs range (photogates versus a tape measure, respectively). When measuring the range, random error is more prevalent while systematic error is seen more often with using photogates (technological errors could be due to faulty calibration, etc).
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Unformatted text preview: Random errors were more significant in this experiment because of environmental changes, such as small gusts created as an individual walked by. The initial velocity could have been affected in this manner as could have flight time. The launcher’s spring could affect the initial velocity as well, since the amount that the spring was compressed could influence how much initial velocity the projectile had when launched. Random error could have been combated by carrying out multiple trials and calculating an average, which would greatly decrease this type of error if not eliminate it. The individual reading the tape measure may have been at an inconvenient angle and could have misread the measurement of the tape measure....
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