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(C) The mass of the Boeing aircraft is $M = 3.3 	imes 10^5 	ext{ kg}$.The total wing area is $A = 500 	ext{ m}^2$.In level flight,the upward lift f

Vedclass · Accepted Answer

$6.5 	imes 10^3 	ext{ Nm}^{-2}$

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(C) The mass of the Boeing aircraft is $M = 3.3 	imes 10^5 	ext{ kg}$.The total wing area is $A = 500 	ext{ m}^2$.In level flight,the upward lift force generated by the pressure difference between the lower and upper surfaces of the wings must balance the weight of the aircraft.Therefore,the upward force $F = \Delta p 	imes A$,where $\Delta p$ is the pressure difference.Equating the lift force to the weight: $\Delta p 	imes A = M 	imes g$.Using $g = 9.8 	ext{ m/s}^2$,we get:$\Delta p = \frac{M 	imes g}{A} = \frac{3.3 	imes 10^5 	imes 9.8}{500}$.$\Delta p = \frac{32.34 	imes 10^5}{500} = 0.06468 	imes 10^5 	ext{ N/m}^2$.$\Delta p = 6.468 	imes 10^3 	ext{ N/m}^2 \approx 6.5 	imes 10^3 	ext{ N/m}^2$.

$A$ fully loaded Boeing aircraft has a mass of $3.3 \times 10^5 \text{ kg}$. Its total wing area is $500 \text{ m}^2$. It is in level flight with a speed of $960 \text{ km/h}$. Estimate the pressure difference between the lower and upper surfaces of the wings.

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