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?

physics - Henry, Sunday, July 3, 2011 at 3:05pm
d = 343m/s * 3.87s = 1327.4m.
physics - drwls, Sunday, May 27, 2012 at 12:45am
Wrong. Not all of the 3.87 seconds is sound travel time. Most of it isnt

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