Stars Originate as Large Bodies of Slowly Rotating Gas

question 36

Multiple Choice

Stars originate as large bodies of slowly rotating gas. Because of gravity, these clumps of gas slowly decrease in size. The angular velocity of a star increases as it shrinks because of

• A) conservation of angular momentum
• B) conservation of linear momentum
• C) conservation of energy
• D) the law of universal gravitation
• E) conservation of mass

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Definitions:

Gross Profit

The difference between revenue and the cost of goods sold (COGS), indicating the profit made from sales before deducting operating expenses.

Beginning Inventory

The initial value of goods available for sale at the start of an accounting period.

Purchases

The acquisition of goods or services by a company in exchange for money.

Perpetual Inventory System

An inventory system in which a detailed inventory record is maintained, recording each purchase and sale during the accounting period.