A Boeing 747-400 commercial jet aircraft has a maximum takeoff mass of 396,890 k

Question

A Boeing 747-400 commercial jet aircraft has a maximum takeoff mass of 396,890 kg, a typical

take-off speed of 180 MPH, and an effective wing area of 524.90 m^2.

From this data estimate the average speed of the air over the top of the wing at takeoff

Assume that the speed of the air underneath the wings is the same as the airspeed of the plane.

Given: 1 m/s = 2.236 MPH, density of air = 1.29 kg/m^3

A Boeing 747-400 commercial jet aircraft has a maximum takeoff mass of 396,890 kg, a typical take-off speed of 180 MPH, and an effective wing area of 524.90 m^2. From this data estimate the average speed of the air over the top of the wing at takeoff Assume that the speed of the air underneath the wings is the same as the airspeed of the plane. Given: 1 m/s = 2.236 MPH, density of air = 1.29 kg/m^3

Explanation / Answer

60.668 MPH

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