Answer to Question #73796 in Physics for jo

Question #73796
A boy yells in a narrow valley. The sound reflects off of a boulder that is 80 m away. How long will it take to hear the echo if the speed of a sound wave is 320 m/s?
1
Expert's answer
2018-02-22T09:36:07-0500
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/physics-answer-73796.pdf

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