A Block of Ice 30

question 5

Multiple Choice

A block of ice 30.5 cm thick floating in fresh water just supports a man weighing 801 N.If the specific gravity of ice is 0.917,the smallest area the block can have is

• A)3.25 m²
• B)3.57 m²
• C)2.88 m²
• D)1.45 m²
• E)0.269 m²

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Definitions:

Smoot-Hawley Tariff

A set of protectionist tariffs enacted in 1930 in the United States, which raised import duties on thousands of goods, contributing to the severity and duration of the Great Depression.

Dumping

The practice of a company selling a product in a foreign market at a price lower than its cost of production or lower than the price in its domestic market.

Comparative Advantage

The ability of an individual, company, or country to produce a good or service at a lower opportunity cost than competitors, leading to more efficient international trade.

Economics

The study of how individuals and societies choose to use the scarce resources that nature and previous generations have provided.