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A Uniform Thin Wire Has a Length

Question 13

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A uniform thin wire has a length A uniform thin wire has a length and is bent into a semicircular arc of radius R.If the wire starts at (x,y)= (R,0)and curves counterclockwise to (x,y)= (−R,0),what is the y coordinate of its center of mass?
and is bent into a semicircular arc of radius R.If the wire starts at (x,y)= (R,0)and curves counterclockwise to (x,y)= (−R,0),what is the y coordinate of its center of mass?

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