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Tuskegee University *

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101

Subject

Aerospace Engineering

Date

Feb 20, 2024

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png

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1

Uploaded by SuperParrotMaster1054

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5:58PM Thu Feb 15 i when the footballs. Answer the questions below and use the data to make a recommendation to the NFL regarding the alleged misconduct. Questions . Will a change in temperature affect the pressure that is measured using a gauge? If so, use kinetic molecular theory to explain how pressure and temperature are related. : : Flgure 1. A tire pressure gauge reads zero thn . o it is disconnected from the tire and exposed to . Describe quantitatively how pressure and temperature are i ; " ‘ atmospheric pressure. This is an example of gauge related. This explanation should include an equation. pressure. Zero on the gauge is defined as atmo- spheric pressure. In order to use the ideal gas law, . Ifafootball is initially inflated to 12.5 psi as measured with a absolute pressure must be used. Gauge pressure gauge at a temperature of 22 °C, what will the gauge pressure can be converted into absolute pressure by adding of the football be when the temperature is 9 °C? atmospheric pressure. In the picture shown the gauge pressure is 35 psi and the absolute pressure . When moved from a cold environment to a warm would be 49.7 psi. (Public domain image.) environment about how long will it take the temperature of the footballs to reach the temperature at which the pressure was originally measured? Use Figures 21 and 22 on pages 42 and 44, respectively, of Appendix 1 of the NFL report by Wells et al. . Are the two gauges calibrated such that they read the same pressure? Explain using the data in Tables 1 and 2. . Do the two gauges show a consistent difference? Explain using the data in Tables 1 and 2. . Use the data from Tables 1 and 2, your answers to the previous questions, and the Ideal Gas Law to determine if the Patriots deflated the footballs. Make sure to consider all possible scenarios, detail how you analyzed the data, and explain how you came to your conclusions. . We only considered the Ideal Gas Law when coming to our conclusions. What are some other factors that could affect air pressure in the footballs? How would those factors affect your analysis of the data? . What could the officials have done differently in collecting the data that would have helped you reach your conclusion? 10. How confident are you in your conclusions? Explain. Reference Wells, T.V., B.S. Karp, and L.L. Reisner. 2015. Investigative report concerning footballs used during the AFC champi- onship game on January 18, 2015. May 6, ZOIWncdn.com/pdf/ 2015/0506/PatriotsWellsReport.pdf (accessed August 27, 2015). All of the data and information used in the case study is from this source, which was commissioned by the National = @ 100% (@mm)
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