A uniform thin wire has a length $L = \pi R$ 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?

Question

A uniform thin wire has a length

L = \pi R

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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The Answer of A uniform thin wire has a length $L = \pi R$ 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?

A Uniform Thin Wire Has a Length L=πRL = \pi RL=πR

A Uniform Thin Wire Has a Length $L = \pi R$