A piece of composite-lumber flooring is a = 54 mm wide. It c…
A piece of composite-lumber flooring is a = 54 mm wide. It consists of a layer of pine [E = 7.8 GPa] that is b = 16 mm thick and a layer of cherry [E = 9.2 GPa] that is c = 5 mm thick. Determine the distance to the centroid of the transformed section from the bottom of the board.
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