A Sound Source Departs from a Stationary Observer

question 85

Multiple Choice

A sound source departs from a stationary observer. The frequency heard by the observer is

• A) higher than the source.
• B) lower than the source.
• C) the same as that of the source.
• D) equal to zero.
• E) impossible to predict.

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Definitions:

Federal Deposit Insurance Corporation (FDIC)

A U.S. government agency that insures deposits in banks and thrift institutions for up to $250,000 per depositor, per insured bank, for each account ownership category.

Securities Exchange Commission

A U.S. federal agency that oversees the securities markets and protects investors by maintaining fair, orderly, and efficient markets.

Social Security System

A governmental program designed to provide financial assistance to individuals during retirement, and in some cases, upon disability or to surviving family members upon a worker's death.

Transcontinental Railroad

A contiguous network of railroad trackage that crosses a continental landmass with terminals at different seas or ocean borders.