A Vector Has a Magnitude of 40

question 57

Multiple Choice

A vector has a magnitude of 40.0 units and points 35.0° above the positive x axis. A second vector has a magnitude of 65.0 units and points in the negative x direction. Use the component method of vector addition to find the magnitude and direction, relative to the positive x axis, of the resultant = + .

• A)53.3 units, 141.8° relative to the +x axis
• B)53.3 units, 52.1° relative to the +x axis
• C)39.6 units, 125.4° relative to the +x axis
• D)39.6 units, 54.6° relative to the +x axis
• E)46.2 units, 136.0° relative to the +x axis

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Definitions:

Marginal Cost

The cost of producing one additional unit of a product or service, an important concept in economics for decision-making regarding production levels.

Total Variable Costs

The sum of all costs that vary with the level of output, including materials, labor, and other expenses that increase or decrease as production changes.

Natural Monopoly

A market condition where due to high fixed costs or unique resources, a single company can supply a product or service at a lower cost than any potential competitor, thus dominating the market.

Unit Costs

The price a business incurs for the production, storage, and distribution of a single unit of a certain product or service.