During the First One-Ten-Thousandth of a Second (10^-4 S) of the Life

question 33

Multiple Choice

During the first one-ten-thousandth of a second (10^-4 s) of the life of the universe, antiprotons were very common. For every billion antiprotons, how many protons were there?

• A) exactly 1 billion since protons and antiprotons were created in equal numbers
• B) slightly more than 1 billion, thus producing the matter seen today
• C) totally unknown number since the early universe was opaque and astronomers cannot see what conditions were like then
• D) 10 billion, thus producing the dark matter seen today

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Definitions:

Labor-Saving

Technologies or methods that decrease the amount of labor required to produce goods or services, thereby increasing productivity.

Output Per Worker

The quantity of goods and services produced per unit of labor.

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The process by which a company determines the price and output level that returns the greatest profit.

Competitive Firm

A firm that operates in an environment where no single firm can influence the market price of its product.