A Circular Disk, S, of Radius 2 and Centered on an Axis

question 38

Multiple Choice

A circular disk, S, of radius 2 and centered on an axis, is perpendicular to the y-axis at y = -6 with normal in the direction of decreasing y. Consider the vector field $\vec { F } = x \vec { i } + y \vec { j } + ( z + x ) \vec { k }$ .Is the flux integral $\int_{S} \vec{F} \cdot \overrightarrow{d A}$ positive, negative or zero?

• A)Positive
• B)Zero
• C)Negative

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Definitions:

Opportunity Cost Principle

The opportunity cost principle denotes the value of the best alternative foregone when a decision is made to pursue a particular action.

Operating Assets

Assets that are used in the day-to-day operations of a business to generate revenue, excluding investments and non-operational assets.

CAPM

The Capital Asset Pricing Model, an investment theory that shows the relationship between the expected return of an investment and market risk.

Cost of Equity

The cost of equity represents the return a firm is expected to pay to its shareholders to compensate them for their investment risk.