Question: A medium-sized jet has a 3.8-m m-diameter fuselage and a loaded mass of85,000kg kg.The drag on an airplane is primarily due to the cylindrical fuselage,

A medium-sized jet has a 3.8-m

m-diameter fuselage and a loaded mass of85,000kg

kg.The drag on an airplane is primarily due to the cylindrical fuselage, and aerodynamic shaping gives it a drag coefficient of 0.37.

How much thrust must the jets engines provide to cruise at230m/s

m/sat an altitude where the air density is1.4kg/m

3

kg/m3?

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