Post-Lab 1(B).docx - Allison Meihofer PHY 130 Section 63 Dr...

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Allison Meihofer PHY 130 Section 63 Dr. Tianren Chen 9/5/17 Post-Lab Assignment-Lab 1(B) 1. The most significant source of uncertainty for determining the period of a pendulum is the reaction time of a human. When timing the period of a pendulum, it is impossible to determine the exact start and end time of the period. Along with this, the human reaction is delayed when starting/stopping the timer, creating a source of uncertainty when trying to determine the exact time of a single period. 2. To reduce the uncertainty of this experiment, it was necessary to measure the period of a pendulum with multiple trials. Not only were multiple trials measured, but the amount of swings measured also varied. Either 1, 5, or 10 pendulum swings were measured, and averaged to find the length of a single period.
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  • Fall '17
  • ian morrison

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