Here are the actual split times Usain Bolt's runs at Beijing and at the IAAF a year later. We'll use this data for the following questions. Ignore the final column (Study A). The RT means reaction time. The splits for the 2009 record are given in the column marked Study B. The columns marked "cumul" are the times since the beginning of the race vs the splits which are the times for each 10 section. Beijing 2008 IAAF 2009 IAAF splits cumul Diff +/- Study B cumul Study A Wind 0.0 +0.9 RT 0.165 0.146 0-10m 1.85 1.85 0.04 1.89 1.89 10-20m 1.02 2.87 0.01 0.99 2.88 2.89 20-30m 0.91 3.78 0.00 0.90 3.78 30-40m 0.87 4.65 -0.01 0.86 4.64 4.64 40-50m 0.85 5.50 -0.03 0.83 5.47 50-60m 0.82 6.32 -0.03 0.82 6.29 6.31 60-70m 0.82 7.14 -0.04 0.81 7.10 70-80m 0.82 7.96 -0.04 0.82 7.92 7.92 80-90m 0.83 8.79 -0.04 0.83 8.75 90-100m 0.90 9.69 -0.11 0.83 9.58 9.58 TIME 9.69 9.58 9.58 Courtesy of SpeedEndurance.com In the IAAF run, one of Bolt's 10m splits was the fastest ever recorded at 0.81s. What was his average speed over this distance answer in km/h Answer:

Here are the actual split times Usain Bolt's runs at Beijing and at the IAAF a year later. We'll use this data for the following questions. Ignore the final column (Study A). The RT means reaction time. The splits for the 2009 record are given in the column marked Study B. The columns marked "cumul" are the times since the beginning of the race vs the splits which are the times for each 10 section. Beijing 2008 IAAF 2009 IAAF splits cumul Diff +/- Study B cumul Study A Wind 0.0 +0.9 RT 0.165 0.146 0-10m 1.85 1.85 0.04 1.89 1.89 10-20m 1.02 2.87 0.01 0.99 2.88 2.89 20-30m 0.91 3.78 0.00 0.90 3.78 30-40m 0.87 4.65 -0.01 0.86 4.64 4.64 40-50m 0.85 5.50 -0.03 0.83 5.47 50-60m 0.82 6.32 -0.03 0.82 6.29 6.31 60-70m 0.82 7.14 -0.04 0.81 7.10 70-80m 0.82 7.96 -0.04 0.82 7.92 7.92 80-90m 0.83 8.79 -0.04 0.83 8.75 90-100m 0.90 9.69 -0.11 0.83 9.58 9.58 TIME 9.69 9.58 9.58 Courtesy of SpeedEndurance.com In the IAAF run, one of Bolt's 10m splits was the fastest ever recorded at 0.81s. What was his average speed over this distance answer in km/h Answer:

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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