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Experiment 1 - Determination of Local Free-Fall Name Lab Day1/1/Mab Time5 p Partnen Max on son Procedure A. Initial distance of fall 1.61 , m ± 0.002 m Proportional error in distance Times of Fall (in seconds): |Drop 1 Drop 3 Drop 4 Drop 5 505 5812 553 0.5868 Average time of fall Sample standard deviation in time-of-fall data Standard error in the mean for time of fall Table 1-1 value for η Uncertainty in the time of fall Proportional error in time Calculated value of g Proportional error in g Uncertainty in g 2, 230 for a level of confidence of 90% 8.520 9526-me 0.0012 01163m/s 5

Procedure B Record the measured values in this table Height (n) Times of Fall (s) Av. Time () Record heights used and squares of average times in the following table. h (m) t2 (s2) 0 3113 1.594 0.32 528 0.3115 0. 2 410 i, 213 1. 051 2144 Slope of graph Graphically determined value of g Percentage error in g s-/m m/s2 (based on comparison to standard)

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