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OpenStudy (bloomlocke367):
Please help!!!! 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 4 inches deep, how far from the vertex should the microphone be placed?
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OpenStudy (bloomlocke367):
@Conqueror
OpenStudy (bloomlocke367):
@iGreen Can you please help? I don't want an answer.. I just need an explanation.
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