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An airplane with a ground speed of 550 km/hr travels along a heading of 30 degrees...

An airplane with a ground speed of 550 km/hr travels along a heading of 30 degrees N of W. At that high altitude there is a powerful 210 km/hr wind (known as the jet stream) 40 degrees south of west. Determine the direction that the pilot is aiming the plane. Could you please find the solution using vector addition and the cosine law. This is for my senior year physics class, and any extra descriptions of what you are doing would be extremely helpful!

(The answer key says that the pilot must point 52.4 degrees NofW.)

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