An Oceanographic Vessel Suspends a Paraboloid-Shaped Net Below the Ocean $750$

question 29

Essay

An oceanographic vessel suspends a paraboloid-shaped net below the ocean at depth of $750$ feet, held open at the top by a circular metal ring of radius $30$ feet, with bottom $70$ feet below the ring and just touching the ocean floor.Set up coordinates with the origin at the point where the net touches the ocean floor and with z measured upward.

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