Objective question in Physics Jr

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You drop a stone into a deep well and hear the splash 2.5 s later.Â How deep is the well?Â (Ignore air resistance, and assume the velocity of sound is 340 m/s.)

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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?

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Objective question in Physics Jr

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