Asked by Anonymous

A stone is dropped into a well and the sound of the splash is heard after 3.91 seconds. If the depth of the well is 67.7 meter, find the velocity of sound???
Answered by Steve
It takes 3.7 seconds to fall 67.7 meters.
So, since time = distance/speed,

So, 3.7 + 67.7/v = 3.91
Answered by Anonymous
Bad
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