The compass on an airplane indicates it is headed due east, and the airspeed
indicator shows it is moving through the air at 450
km/hr
. The wind is blowing 120
km/hr
in
a direction 30° south of east.
(a) What is the velocity of the airplane rel
ative to the earth?
(b) In what direction should the pilot head for the plane to travel due east? What will be the
airplane velocity relative to the earth?
Please explain to second part preciely
thank you
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