Question

A parabolic metal sheet with a base of 8 inches and an altitude of 4 inches...

A parabolic metal sheet with a base of 8 inches and an altitude of 4 inches is submerged vertically in water.
(a) If the sheet is just below the water surface, find the force against one side of the
sheet. Place the vertex of the parabola at the origin.

(b) If the base and vertex are
respectively 4 inches and 8 inches below the surface, find the force against one side of the
sheet. Place the vertex of the parabola at the origin.

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