The Velocity of an Electron Is Changed from C/2 in the -X

question 21

Multiple Choice

The velocity of an electron is changed from c/2 in the -x direction to c/2 in the +x direction. As a result, its kinetic energy changes by:

• A) mc²
• B) 0.5mc²
• D) 2mc²
• E) zero

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Definitions:

Market

A system through which buyers and sellers interact to trade goods, services, or resources.

Law Of Supply

The principle that, all else equal, an increase in the price of a good will result in an increase in the quantity supplied.

Suppliers

Entities or individuals that provide goods or services to consumers, businesses, or other organizations.

Good

A physical item that is produced and can be offered to the market to satisfy a want or need.