(a) plane has a wing using a NACA 2410 aerofoil. It is an altitude of 8000m and...

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Mechanical Engineering

(a)plane has a wing using a NACA 2410 aerofoil. It is an altitude of8000m and has an angle of attack of 5deg. How far could it glide inkm. (4s.f, tolerance +/- 0.1km)?
(b) same plane (with NACA 2410 aerofoil) still at an altitudeof 8000m is now flown with an angle of attack of 2degree. How farcould it now glide in km? (4s.f)

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3.8 Ratings (533 Votes)

(a) glide angle(a)              =             angle of attack =             5 deg

Height (h)            =             8000 m

Length                  =             L

tan(a)                    =             h/L

tan(5)                    =             8000/L

L                              =             8000/0.087

                                =             91440 m

                                =             91.44 km

(b) similarly

tan(2)                    =             8000/L

L                              =             8000/0.034

                                =             229090m

                                =             229.1 km


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