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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
5 Nov 2021

Given information

the shape of the water tank is given as below:

Step-by-step explanation

Step 1.

Here the triangle is equilateral, the depth of the triangle is  

 as the depth increases by  , the width decreases by 2 m. So,compute the width w of the plate at any depth h from the surface of water. 

 

Now compute the area   of a thin horizontal strip of the plate of thickness dh at this depth h.

 

 

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