A hiker is at the bottom of a canyon facing the canyon wall closest to her. She shouts something and hears her echo 1.2 seconds later. If the sound wave travels at a speed of 340 m/s, how far away is the canyon wall in meters? (hint: to hear an echo the sound wave has to travel there and back)
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A hiker is at the bottom of a canyon facing the canyon wall closest to her. She shouts something and...
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