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A man facing a high wall noticed that an echo is heard 4s after he...

A man facing a high wall noticed that an echo is heard 4s after he makes a sharp sound.After walking 200m directly towards the hall ,an echo is heard after 3.4s.Calculate
1) speed of sound
2)how far he was from the wall when he made the second sound.?
3 Answers Available
Asked by JollyShorpy on 9th September, 2020
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts