1. Determine the y-coordinate of the centroid of the volume obtained by revolving the shaded area about the x-axis through 180°.
2. The tapered body has a horizontal cross section which is circular. Determine the height h of its mass center above the base of the homogeneous body.
![834_Determine the y-coordinate of the centroid.png](https://secure.tutorsglobe.com/CMSImages/834_Determine the y-coordinate of the centroid.png)