Solved: Constructing a Flashlight The reflector of a
Chapter , Problem 11.2.65(choose chapter or problem)
Constructing a Flashlight The reflector of a flashlight is in the shape of a paraboloid of revolution. Its diameter is 4 inches and its depth is 1 inch. How far from the vertex should the light bulb be placed so that the rays will be reflected parallel to the axis?
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