Wind Speed Varies in the First Twenty Meters Above the Ground

question 4

Multiple Choice

Wind speed varies in the first twenty meters above the ground. For a particular day, let $f ( x ) = 9.8 \ln x + 3.3$ model the wind speed $x$ meters above the ground. At what height is the wind speed 9 meters per second? Round results to the nearest hundredth.

• A) 1.79 m
• B) 0.58 m
• C) 0.49 m
• D) 0.56 m

---

Definitions:

Rigidity

Refers to inflexibility or stiffness in materials, or metaphorically to strictness in methods, rules, or systems.

Formalism

A philosophical and critical framework emphasizing form over content in various arts, mathematics, and science.

Kant's Philosophy

A philosophical doctrine by Immanuel Kant emphasizing rationality, ethics, and a categorical imperative guiding moral actions.

End Justifies

A philosophical principle suggesting the morality of an action can be determined by its outcome or intended result.