Question $5(1$ point$)$

Calculate the outside diameter in inches of wheel which P$190/55$R$18.$ Provide the answer to $3$ decimal places of accuracy.

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Question $6(2$ points$)$

What would be the aerodynamic drag force in Ibs generated Audi $2008$ S$5$ detailed in the spec sheet $($Audi$\_2008\_$S$5\_$SpecSheet.pdf$)$ when it is going $80$ miles per hour. Assume air density is $0\mathrm{.}00233$ slugs $\frac{?}{f{t}^3}.$ Provide your answer with $1$ decimal place of precision $($ie: $14\mathrm{.}1).$

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