Question

The sound of water was found 7.7 sec after throwing the stone into a deep well. If the speed of sound is 343m / s, what is the depth of the well?

Answer 1

Answer:

953m /s

Explanation:

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Answer 2

Answer:

time=time to fall+ time for sound to return

7.7=1/2 g* h^2 + h/343

7.7= 1/2*9.8 m/s^2*h^ 2+ h/343

solve for h