tangan sape ni....macam knal je
we all wat sendiri ni.....
sume ni kna calculate.....formula and equationnye....huhu..pening
An airfoil-shaped body moved through a fluid produces a force perpendicular to the motion called lift.
Subsonic airfoils have a characteristic shape with a rounded leading edge, followed by a sharp trailing edge, often with asymmetric camber.
supersonic flow....Foils of similar function designed with water as the working fluid are called hydrofoil.
kira lah...
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