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A plane is flying with an air speed of 415 miles per hour and a heading of 100%. The wind currents are running at 103 miles per hour in the direction 210° from due north. Use vectors to find the true course and ground speed of the plane.

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sqdancefan

Answer:

  392 mph, bearing 114°

Step-by-step explanation:

You want the true course and speed of an airplane flying 415 mph on a heading of 100° with wind at 103 mph on a heading of 210°.

Vector sum

A suitable calculator gives the sum of the plane's vector and the wind's vector as ...

  392 mph on a heading of 114°

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