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Not really a homework problem but related. In one of my homework problem, it says ,

Calculate the moments Mx and My and the center of mass of a lamina with density ρ = 4 and the given shape.

Mx = 2

My = 12

(x, y) = (2,1/3 )

I got the answer. YOUR WELCOME.

But, I only got it because I looked up the formula to find Mx,My and (x,y).

the formula is given in this site near the intro http://www.math.utep.edu/Faculty/javila/Calculus%20II/Math%201312%20problems%20for%20section%207.6.pdf [Broken]

But I was hoping one of you could prove this, since my book didn't.

Calculate the moments Mx and My and the center of mass of a lamina with density ρ = 4 and the given shape.

Mx = 2

My = 12

(x, y) = (2,1/3 )

I got the answer. YOUR WELCOME.

But, I only got it because I looked up the formula to find Mx,My and (x,y).

the formula is given in this site near the intro http://www.math.utep.edu/Faculty/javila/Calculus%20II/Math%201312%20problems%20for%20section%207.6.pdf [Broken]

But I was hoping one of you could prove this, since my book didn't.

## Homework Statement

## Homework Equations

## The Attempt at a Solution

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