Astudent standing in a canyon yells "echo", and her voice produces a sound wave of frequency of f = 0.61 khz. the echo takes t = 3.9 s to return to the student. assume the speed of sound through the atmosphere at this location is v = 322 m/s.

 is the distance from the obstacle of reflection.

wavelength

Explanation:

Given that:

We know,

During an echo the sound travels the same distance back and forth.

 is the distance from the obstacle of reflection.

Now the wavelength of sound waves:

all of the answers are correct.

falsification is manipulating research materials, equipment, or processes or changing or omitting data or results such that the research is not accurately represented in the research record. plagiarism is the appropriation of another person's ideas, processes, results, or words without giving appropriate credit.

explanation:

your answer would be fusion