The Water Flowing Over Niagara Falls Drops a Distance of 50

question 50

Multiple Choice

The water flowing over Niagara Falls drops a distance of 50 m.If all the gravitational potential energy is converted to thermal energy,by what temperature does the water rise? The specific heat of water is 4186 J/kg ∙ K.

• A)0.10°C
• B)0.12°C
• C)0.37°C
• D)0.42°C

Grasp the concept of constant returns to scale and its implications for economic output.

Understand the factors that increase productivity and their importance for economic growth.

Acknowledge the role of technology in improving goods and services production.

Assess the importance of international trade and investment for economic development.

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Definitions:

Tariff

A tax imposed by a government on imported goods or services to protect domestic industries or generate revenue.

Infant Industry

A new or emerging industry that may be protected by the government from international competition to allow it to grow.

Technological Efficiency

A measure of the effectiveness with which a technology converts inputs into outputs, often seen as achieving the maximum productivity with the least waste.

Silicon Chip

A small piece of silicon that contains integrated circuits used in electronic devices for processing or storage.