A man facing a high wall notice that an echo is heard 4 seconds after...
A man facing a high wall notice that an echo is heard 4 seconds after...
A man facing a high wall notice that an echo is heard 4 seconds after he makes a sharp sound. After walking 200 m towards the cliff, an echo is heard after 3.4 seconds. Calculate the speed of the sound and the distance he was from the wall when he made the second sound?
InPhysics
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Asked by Belvic on 21st November, 2020
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