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Textbook Expert
Textbook ExpertVerified Tutor
8 Nov 2021

Given information

The density of the plate is and the region is given as below:

 

Step-by-step explanation

Step 1.

Solve the equation of the circle   for   in terms of .

The  region is bounded by the -axis on 0 and r. Compute and .

     

   

 

Now compute and  

 

 

   

So, the centroid of the region is at   .

 

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