An airplane travels east at an air speed of TAS = 400.0 m/s into a head wind WG of 35.0 m/s. What is the airplane’s ground speed GS?
groundspeed the air headwind
GS = TAS - WG
GS = 400m/s - 35m/s
GS = 365m/s
The airplane’s ground speed is GS = 365m/s.
