Use spherical coordinates to find the centroid of the solid in the first octant bounded by the coordinate planes and the sphere x^2 + y^2 + z^2 = a^2 .

Can you tell me, in the question, why x bar = y bar = z bar? Thank you very much.

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- September 16th 2007, 11:55 PMkittycatspherical coordinates
Use spherical coordinates to find the centroid of the solid in the first octant bounded by the coordinate planes and the sphere x^2 + y^2 + z^2 = a^2 .

Can you tell me, in the question, why x bar = y bar = z bar? Thank you very much. - September 17th 2007, 03:20 AMJhevon