The area of the cross section of an airplane wing has the following properties about the x and y axes passing through the centroid C: Ī₂ = 477 in¹, Īy = 1930 in¹, Izy = 145 in¹. (Figure 1) Figure < 1 of 1 Determine the orientation of the major principal axes. Express your answer to three significant figures and include the appropriate units. Assume-90° < 0 < 90° 0 = Submit Part B Value I = μÀ 3 Submit Request Answer Determine the principal moments of inertia. Express your answer using three significant figures. If there is more than one answer, enter them in ascending order separated by commas. Units AΣ vec 5 → Request Answer ? ? in¹

The area of the cross section of an airplane wing has the following properties about the x and y axes passing through the centroid C: Ī₂ = 477 in¹, Īy = 1930 in¹, Izy = 145 in¹. (Figure 1) Figure < 1 of 1 Determine the orientation of the major principal axes. Express your answer to three significant figures and include the appropriate units. Assume-90° < 0 < 90° 0 = Submit Part B Value I = μÀ 3 Submit Request Answer Determine the principal moments of inertia. Express your answer using three significant figures. If there is more than one answer, enter them in ascending order separated by commas. Units AΣ vec 5 → Request Answer ? ? in¹

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The area of the cross-section of an airplane wing has the following properties about the x and y axes passing through the centroid C:
\[ \bar{I}_x = 477 \, \text{in}^4, \, \bar{I}_y = 1930 \, \text{in}^4, \, \bar{I}_{xy} = 145 \, \text{in}^4. \]
(Figure 1)

**Figure Explanation:**
The diagram displays a streamlined, airfoil-shaped object, with its centroid labeled C. The x and y axes intersect at the centroid.

**Task A:**
Determine the orientation of the major principal axes.

- Express your answer to three significant figures and include the appropriate units. Assume $ -90^\circ < \theta < 90^\circ $.
- Input box for $\theta$ with units.

**Task B:**
Determine the principal moments of inertia.

- Express your answer using three significant figures. If there is more than one answer, enter them in ascending order separated by commas.
- Input box for $I$ with unit $\text{in}^4$.

Buttons for submitting answers and requesting solutions are included.

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