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A loudspeaker at the base of a cliff emits a pure tone of frequency 3000.0 Hz. A man jumps from rest from the top of the cliff and safely falls into a net below. How far has the man fallen at the instant he hears the frequency of the tone as 3218.0 Hz? The speed of sound is 343 m/s.
Body-Worn Cameras
Portable recording devices worn on the body by law enforcement officers to capture interactions with the public and gather evidence.
Major U.S. Cities
Significant urban centers in the United States, characterized by large populations, economic influence, and cultural prominence.
Department of Justice
is a federal executive department of the U.S. government responsible for the enforcement of law and administration of justice, overseen by the Attorney General.
Bureau of Statistics
A generalized term for government agencies responsible for collecting, analyzing, and publishing statistical data on various aspects of a country or regions’ economy, population, and society.
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