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I have very little time . Please fast

The airplane on the left has a relative speed to
the wind of 150 km/h. The speed of the wind
relative to the ground is 15 km/h at an angle of
20° as shown.
a) Determine the angle at which the plane
must be directed in order to travel in the
direction of the runway.
b) What is the speed of the plane relative to the
runway?
Finals answers must be:
a) 0= 5.39°; b) v= 147 km/h along the runway;
288
H
20°

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