a light airplane, with mass of 1000 kg, has a conventional-section (naca 23015) wing of planform area 10 m2 . a. find the angle of attack of the wing for a cruising speed of 63 m/s. b. what is the required power to fly the aircraft?



Answer :

1000 KW  is the required power to fly the aircraft.

Required power = [tex][P=F_DV],[P=1/2\rho AV^2C_DV][/tex]

[tex]C_D=0.65[/tex]

[tex]P=1/2\rho AV^2C_D V=1/2*1.23 *10 *63^2*0.65 *63=1000kW[/tex]

power is produced when a force causes a displacement. There is no connection between power and the amount of time this force takes to cause a displacement. The process's speed might range from being finished quickly to taking some time. For example, it takes an abnormally long time for a rock climber to elevate her body a few meters over the cliff's edge. A trail hiker, on the other hand, may swiftly lift her body a few meters if she selects the faster path up the mountain. Even though the two people put in the same amount of power , the hiker finishes the assignment far faster than the rock climber.

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