The Kilogram Is Currently Defined as

question 82

Multiple Choice

The kilogram is currently defined as

• A) the mass of a platinum-iridium cylinder kept in Sévres, France.
• B) the weight of a platinum-iridium cylinder as measured on the Earth's moon.
• C) the mass of 5.9786332 × 10²⁶ protons.
• D) the mass of one liter of pure water, free of air, at standard temperature and pressure.
• E) the mass of a cube of pure water, free of air, 10 cm on each side, at standard temperature and pressure.

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Definitions:

Demand Curve

A graph showing how the quantity demanded of a good or service varies with its price.

Elastic

A characteristic of a good or service where its demand or supply changes significantly when its price changes.

Average Costs

The total costs of production (fixed and variable) divided by the total quantity of output produced.

Central Planning Model

A system of economy where all choices regarding the creation and use of goods and services are made by the government.