A Person Looks Horizontally at the Edge of a Swimming

question 5

Multiple Choice

A person looks horizontally at the edge of a swimming pool. If its length is 5 m, and the pool is filled to the surface, to what depth (in m) could the observer see? (n for water is 1.33)

• A) 3.2
• B) 4.4
• C) 2.1
• D) 1.0
• E) 0.3

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Definitions:

Recessions

Periods of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP in successive quarters.

Deficit

A deficit occurs when expenses exceed revenues, imports exceed exports, or liabilities exceed assets.

Current Expenditures

Spending by the government or an organization on short-term items that are consumed within the fiscal year, such as wages, utilities, and supplies.

Future Generations

Future generations refer to the people who will live at some point in the future, and whose well-being is considered in discussions about sustainability and long-term environmental policies.