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Unformatted text preview: 1.31s 2 Metal 2 1.13s 3 Golf 1.22s 4 Metal 1 1.16s 5 Golf .84s Observations: Metal ball 1 and Metal ball 2 are the same size and shape Calculations: g=9.8m/s 2 Test # Formula Gravity 2 2(2.69m) / (1.13s) 2 4.2m/s 2 5 2(2.69m) / (.84s) 2 7.63m/s 2 Test # Error Formula % Error 2 (4.2-9.8) / 9.8-57% 5 (7.63-9.8) / 9.8-22% Reasons for Air speed, level ground, ball mass in grams, not dropping the Error: ball in the same position every time. Summary 1. What could you do to improve this lab? Questions: Conclusion: 1. Level ground, perfect timings, and fixed heights....
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- Fall '07
- General Relativity, Stop Watch, commonly accepted value, metal ball, m/s2 Multiple Balls