## math_proof Group Title center of mass of the upper half(y>0 of the disk bounded by the circle x^2+y^2=4 with p(x,y)=1+y/2 one year ago one year ago

1. math_proof Group Title

|dw:1352957998418:dw|

2. math_proof Group Title

is it asking for the quarter circle or of the half circle

3. math_proof Group Title

$\int\limits_{-2}^{2}\int\limits_{0}^{2+x}(1+\frac{ y }{2 })pdydx$