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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?
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Asked by Belvic on 21st November, 2020
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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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