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Unformatted text preview: of the tank. 7. A plate has the dimensions of an isoscles trapezoid with base lengths 2 feet and 10 feet, with a height of 4 feet. The plate is submerged in water so that the shortest base is parallel to, and closest to, the surface of the water, at a distance of 5 feet. Find the force exerted on one side of the plate. 8. A force of 12 lbs is required to stretch a spring from its natural length of 5 inches to a length of 8 inches. Find the work done in stretching the spring from a length of 9 inches to a length of 16 inches. 9. Find the volume of the solid generated by revolving the region bounded by y & x 2 2 x and y & x about the line x & 2. 10. Find the volume of the solid generated by revolving the region bounded by x & 4 y y 2 and x & about the line y & 1....
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