A radio telescope has a parabolic surface. If it is 1m deep and 16m wide how far is the focus from the vertex?

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asked Jun 10, 2018 95.8k views

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Atiris · Answer 1 · 2018-06-14T09:07:38+0000

Basing on the description, a parabola opening up with vertex at origin, the formula with vertex at origin is used, x^2 = 4py. p is the focus and so with the dimensions given, we obtain a 0.25 and that is the distance of the focus to the vertex.

A radio telescope has a parabolic surface. If it is 1m deep and 16m wide how far is the focus from the vertex?

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