The pilot of an aircraft flies due east relative to the ground in a wind blowing 20.0
Chapter 4, Problem 128(choose chapter or problem)
The pilot of an aircraft flies due east relative to the ground in a wind blowing 20.0 km/h toward the south. If the speed of the aircraft in the absence of wind is 70.0 km/h, what is the speed of the aircraft relative to the ground?
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