Question: The composite body shown is formed by removing a hemisphere of radius r from a cylinder of radius R and height 2R. Determine (a) The

The composite body shown is formed by removing a hemisphere of radius r from a cylinder of radius R and height 2R. Determine
(a) The y coordinate of the centroid when r = 3R/4,
(b) The ratio r/R for which 1.2 y= − R.

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