May 24, 2016

Homework Help: physics

Posted by alicia on Saturday, July 2, 2011 at 7:11pm.

A spelunker (cave explorer) drops a stone from rest into a hole. The speed of sound is 343 m/s in air, and the sound of the stone striking the bottom is heard 3.87 s after the stone is dropped. How deep is the hole?

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