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lions [1.4K]
4 years ago
7

A medium-sized jet has a 3.8-m-diameter fuselage and a loaded mass of 85,000 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 at 260 m/s at an altitude where the air density is 1.7 kg/m^3? Express your answer with the appropriate units.
Physics
1 answer:
Nataly_w [17]4 years ago
3 0

Answer:

2.4\times 10^{5} N

Explanation:

The force of drag is given by

F= 0.5 C\rho Av^{2}

C is coefficient of drag

\rhois density of air

A is area which is given by \frac {\pi d^{2}}{4}

V is the velocity

F= 0.5*0.37*1.7\times \frac {\pi 3.8^{2}}{4}\times 260^{2}=2.4\times 10^{5} N

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