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Glider with glide angle of 4.2° is gliding with gliding ratio of _____

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Glider with glide angle of 4.2° is gliding with gliding ratio of _____

(a) 13.6

(b) 12.9

(c) 15

(d) 25.4

The question was asked during an internship interview.

My question is taken from Flight Mechanics topic in division Performance and Flight Mechanics of Aircraft Design

1 Answer

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Best answer
The correct choice is (a) 13.6

To elaborate: Glide ratio = 1/tan (glide angle) = 1 / tan (4.2°) = 13.6.

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