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A sound pulse sent vertically downward into the earth is reflected from two different ways...

A sound pulse sent vertically downward into the earth is reflected from two different ways of the earth such that echoes are heard after 1.25s and 1.45s, assuming the speed of the pulse is 200ms-1 calculate the distance between the lattes?
In Lagos State polytechnic
2 Answers Available
Asked by David ayubah on 18th August, 2019
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