A spelunker cave explorer drops a stone from rest into a
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 4.88 s after the stone is dropped. How deep is the hole?
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a spelunker cave explorer drops a stone from rest into a hole the speed of sound is 343 ms in air and the sound of the
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