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Fluid Mechanics, Moment of Inertia

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A symmetrical trapezoidal plate has the following dimensions: the widths of the parallel sides are, respectively, 2.50 ft and 4.50 ft; the perpendicular distance between those sides is 1.50 ft. the plate is submerged in a liquid in a vertical position with the parallel sides horizontal and the shorter parallel side at the top and exactly even with the surface of the liquid. the moment of inertia of the plate with respect to the surface of the water would be? answer in FT to the power of 4.

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This solution helps with a problem regarding fluid mechanics.

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