Answer:
its to show the shape is flat and only flat at the botom and top and you can set it up ther way and it wlll still look the same.
Explanation:
Viscosity isT=u(U/y) where T is shear stress & u is velocity and y is thr length
The answer is =2.57
Answer:
thanks thanks thanks thanks
Explanation:
Answer:
No, they need to be somewhat flexible so that forces such as turbulance don't shear the wing off.
It is important because now a days we all need help from engineers