You drop a stone into a deep well and hear the splash 2.5 s later. How deep is the well? (Ignore air resistance, and assume the velocity of sound is 340 m/s.)
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1 Answers
Sohini Marik
·2012-09-20 03:53:51
You drop a stone into a deep well and hear the splash 2.5 s later. How deep is the well? (Ignore air resistance, and assume the velocity of sound is 340 m/s.)
given ans: 29m..
If sound travels 340m in 1s... how can it travel only 29m in 2.5s?