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Drex7
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Homework Statement
A small airplane flies at a velocity of 145 km/h toward the south as observed by a person on the gound. The airplane plot measures an air velocity of 172 km/h south. What is the velocity of the wind that affects the plane?
Beyond knowing the velocity of both the plane and the wind and that they are both vector quantities going in the same direction, I'm unsure where to go from there and how exactly to answer the question. My initial thought was that there would not be just a portion of the wind's velocity that would affect the plane's. 172 km/h seems too simple. Please help clarify, thank you.