Two Protons Are Fired Toward Each Other in a Particle

question 158

Multiple Choice

Two protons are fired toward each other in a particle accelerator, with only the electrostatic force acting. Which of the following statements must be true about them as they move closer together?
(There could be more than one correct choice.)

• A) Their kinetic energy keeps increasing.
• B) Their electric potential energy keeps increasing.
• C) Their kinetic energy keeps decreasing.
• D) Their acceleration keeps decreasing.
• E) Their electric potential energy keeps decreasing.

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Definitions:

Appreciated

An increase in the value of an asset over time.

Domestic Investment

The total spending on capital within a country, including investments in machinery, infrastructure, and technology, by the private and public sectors.

Foreign Assets

Financial assets held in a country other than where the investor is based, including stocks, bonds, and real estate.

Country's Saving

The portion of a country's income that is not consumed by individuals or government spending, but instead is set aside for future investment or expenditures.