In 20 Minutes, Lucy Ran 2

question 19

Multiple Choice

In 20 minutes, Lucy ran 2.40 km on a treadmill facing due east. Relative to the gym, what were her displacement and average velocity during this time interval?

• A)0; 0
• B)0; 2.00 m/s
• C)2.40 km, east; 0
• D)2.40 km, east; 2.00 m/s, east
• E)2.40 km, west; 2.00 m/s, west

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Definitions:

Marginal Utility

The additional satisfaction or utility that a consumer receives from consuming an additional unit of a good or service.

Money Income

The total amount of monetary earnings or receipts accruing to an individual or household from various sources before any deductions like taxes.

Total Utility

The complete fulfillment experienced when a certain amount of products or services is consumed.

Utility Schedule

A utility schedule is a table that shows the relationship between quantities of a good or service consumed and the utility or satisfaction derived from that consumption.