Let $\vec { F } = \sqrt { x ^ { 2 } + y ^ { 2 } } \vec { i } + \sqrt { x ^ { 2 } + y ^ { 2 } } \vec { j }$

question 46

Multiple Choice

Let $\vec { F } = \sqrt { x ^ { 2 } + y ^ { 2 } } \vec { i } + \sqrt { x ^ { 2 } + y ^ { 2 } } \vec { j }$ Is the line integral of $\vec{F}$ around the unit circle traversed counterclockwise: positive, negative, or zero?

• A)Positive
• B)Negative
• C)Zero

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Definitions:

Bronchial Trees

The network of airways in the lungs, including the trachea, bronchi, and bronchioles.

Alveoli

Little vesicles in the lungs responsible for the transfer of oxygen and carbon dioxide.

Cartilage

A firm, flexible connective tissue found in various forms in the human body such as joints, rib cage, and ear structure.

Distal End

Referring to the end of a limb or structure that is farthest from the point of attachment or the trunk of the body.