Asked by Wade
A small aircraft A is about to land with an airspeed of 80 mi/hr. If the aircraft is encountering a steady side wind of speed 10 mi/hr, what angle (alpha) should the pilot direct the aircraft so the the absolute velocity is parallel to the runway? What is the speed at touchdown?
Answers
Answered by
Andrew
Kinematics
Average Velocity= the change in displacement of the x value time the elapsed time(avg velocity)
Vage=X/T
Average Velocity=initial velocity+final velocity divided by 2(avg velocity for constants)
Vavg=Vi+Vf/2
Acceleration=the change in velocity divided by the elapsed time
a=V/T
Average Velocity= the change in displacement of the x value time the elapsed time(avg velocity)
Vage=X/T
Average Velocity=initial velocity+final velocity divided by 2(avg velocity for constants)
Vavg=Vi+Vf/2
Acceleration=the change in velocity divided by the elapsed time
a=V/T
Answered by
Steve
I see a lot of verbage, but nothing related to actually solving this problem.
Draw a diagram of the vectors involved. Clearly,
sin α = 10/80, so α = 7.18°
The speed at touchdown will be
80 cosα = 79.37 mi/hr
Draw a diagram of the vectors involved. Clearly,
sin α = 10/80, so α = 7.18°
The speed at touchdown will be
80 cosα = 79.37 mi/hr
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