Mathematics, 23.05.2021 23:30 belen27

The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed on the focus of the parabo parabola is 24 inches wide and 9 inches deep, how far from the vertex should the microphone be placed?

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The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The mi...