An Airplane Traveling at Half the Speed of Sound Emits

question 22

Short Answer

An airplane traveling at half the speed of sound emits sound at a frequency of 5 000 Hz. At what frequency does a stationary listener hear the sound as the plane approaches, and after it passes by? Assume the airplane is not flying very high.

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Definitions:

Tennessee Valley Authority

A federally owned corporation in the United States created in 1933 to provide navigation, flood control, electricity generation, and economic development in the Tennessee Valley.

Regional Planning

Regional planning involves creating and implementing strategies to address the growth, development, and sustainability of specific geographical areas.

New Deal

A series of programs, public work projects, financial reforms, and regulations enacted by President Franklin D. Roosevelt in the 1930s to counter the Great Depression.

Supreme Court

The highest judicial court in the United States, with ultimate appellate jurisdiction over all federal and state court cases that involve a point of federal law.