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Period.handtime.xlsx      Period.photogate.xlsx       Period.theta.xlsx       Velocity.theta.xlsx

8.1. What is the point of measuring 125 cycles (25 × 5) in Part A? Would it have been as accurate to measure one cycle 125 separate times? Why?
8.2. Which value of g is more accurate, the one obtained by hand-timing or obtained with the photogate? Which method is faster to use?
8.3. Which quantity, T or L, makes the larger contribution to the fractional uncertainty in g? Does this suggest a way to improve the experiment?
8.4. Compare your most precise value of g with 9.804 m/s2. Do you have a significant discrepancy?
8.5 Which experiment measured g to better fractional uncertainty, the Pendulum, or Free Fall? Give a quantitative comparison.
8.6. What was the largest single source of uncertainty (systematic or random) in your experimental verification of v02 = 2gh?
8.7. For which parts of the experiment did your results accord with your expectations? Which did not? Why? 

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