As an Interstellar Cloud of Hydrogen Gas Shrinks in Size

question 111

Multiple Choice

As an interstellar cloud of hydrogen gas shrinks in size, its rate of rotation

• A)increases, because the force of gravity strengthens as the cloud shrinks.
• B)decreases, because its angular momentum is conserved.
• C)increases, because its angular momentum is conserved.
• D)decreases, because the force of gravity strengthens as the cloud shrinks.
• E)increases, because its total energy is conserved.

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Definitions:

Price Controls

Government-imposed limits on the prices that can be charged for goods and services in the market to restrain prices to a certain level.

Economic Activity

Actions that involve the production, distribution, and consumption of goods and services within an economy.

Resource Allocation

The process of assigning available resources to specific uses chosen among many possible and competing alternatives.

Price Controls

Government-imposed limits on the prices that can be charged for goods and services in the market to control inflation or ensure affordability.