A Potential Energy Function Is Given by U(x) =

question 53

Multiple Choice

A potential energy function is given by U(x) = ( 3.00 N/m) x - ( 1.00 N/m³) x³. At what position or positions is the force equal to zero?

• A) m and - m
• B) 0.00 m, m and - m
• C) 1.00 m and -1.00 m
• D) 3.00 m and -3.00 m
• E) The force is not zero at any location.

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Definitions:

Short Run

A time period in economics during which at least one input (such as plant size) is fixed and cannot be changed.

Long Run

A period of time in economics during which all factors of production and costs are variable, allowing full adjustment to changes.

Average-Total-Cost Curve

A graphical representation in economics that shows how the average total cost of production changes as the quantity of output is altered.

Marginal Cost

The elevation in costs incurred by the creation of an additional unit of a good or service.