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TAMU PHYS 1401 - Experiment 3: The Stopwatch

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Experiment 3: The StopwatchIn this experiment, you will investigate error and uncertainty involved with using a stopwatch.Procedure1. Choose a place or object, like a table top or top of a door, from which you can constantly drop a marble at the same height.Note: Choosing an object that has a higher drop distance will be easier to time than shorter drop distances. 2. Read the directions that come with your stopwatch to become familiar with how to use and access the stopwatch mode. 3. Hold the marble at the designated drop height in one hand, and the stopwatch in the other hand. If necessary, a willing participant can help with timing or dropping the marble. 4. Drop the marble from the designated drop height and start the stopwatch at the same time. 5. Stop the stopwatch at the same time the marble hits the floor. Record the time in Table 3. 6. Repeat Steps 3 - 4 four more times, for a total of five trials. Exp. 3: Time Data forDropped Marble© 2014 eScience Labs, LLC.All Rights Reserved Materials1 MarbleStopwatch*Constant Drop Height (Ex. Table Top or Door Frame) *You Must ProvideDrop (Trial) Time (s)1 .52 .443 .64 .55 .44Post-Lab Questions1. What are the advantages and disadvantages of using a stopwatch to measure time?2. What are sources of uncertainty when using a stopwatch?© 2014 eScience Labs, LLC.All Rights


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