$(20$pts$)$ An airplane flies at $200$ mph$.$ At a certain point close to the top of the wing, the air speed $$relative$$ to the wing is $50$m$/$s$.$

a$)(5$pts$)$ What is the governing equation for this problem?

b$)(5$pts$)$ What are the assumptions for this problem?

c$)(5$pts$)$ Determine the stagnation pressure at the leading edge of the wing $($point A$).$

d$)(5$pts$)$ Find the pressure at the point on the top of the wind $($point B$)$