Question: A rectangular box L= 6 ft, W = 4 ft, and H = 5 ft is filled with water (rg = 62.5 lbs/ft 3 ).

A rectangular box L= 6 ft, W = 4 ft, and H = 5 ft is filled with water (rg = 62.5 lbs/ft³). If the origin of the coordinates (x, y, z) = (0, 0, 0) is at the front, bottom corner of the above figure, what are the coordinates of the centroid? How much work is done pumping the water to a point 3 feet higher than the top of the box? (similar to 5.4 #31-34) Use the method of centroids.

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