Mathematics, 07.01.2020 06:31 linnybear300

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 parabola. if the 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...

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