Waves and Sound

The Physics of Sound


<div class="wp-block-create-block-problemblock">A person is standing on the south side of a canyon and shouts.  She hears the echo in 0.44 seconds.  Assuming the sound bounced off the other side of the canyon and came back, how wide is the canyon?</div>


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https://www.youtube.com/watch?v=FbL3B1mgH60&#038;t=04m28s
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