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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
5 Nov 2021

Given information

The distance d and velocity is:

   

Speed of sound,  

 

The distance d and velocity is:

  

  

Step-by-step explanation

Step 1.

To determine the depth of the lake, use the time and speed of sound in air.

 

Given:

   

 

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