There is a reflector in the Pyrenees Mountains that is eight stories high. It cost $2
Chapter 11, Problem 50(choose chapter or problem)
There is a reflector in the Pyrenees Mountains that is eight stories high. It cost $2 million and took 10 years to build. Made of 9000 mirrors arranged in a parabolic formation, it can reach 6000F just from the Sun hitting it! Mark Antman/The Image Works Solar furnace, Odellio, France If the diameter of the parabolic mirror is 100 meters and the sunlight is focused 25 meters from the vertex, find the equation for the parabolic dish.
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