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alice122

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alice122

Sound

A ship uses sonar to measure the depth of the seabed. The signals take 20s to return to the measuring device. Calculate the depth of the sea if the speed of sound in seawater is 1500 metres/second to...
16:27 Mon 14th Apr 20146 answers, last by Graham-W 21:27 Mon 14th Apr 2014

Only 1 question