A submarine emits a sonar pulse which returns from an underwater cliff in \( 1.02 \mathrm{~s} \)...

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A submarine emits a sonar pulse which returns from an underwater cliff in \( 1.02 \mathrm{~s} \). If the speed of sound in salt water is 1,531 \( \mathrm{m} / \mathrm{s} \), how far away is the cliff?
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