An airplane with a speed of 160 knots is headed east while a 24-knot wind is blowing from 240°. Explain how you would use the result of finding the ground speed to find the course of the airplane.

The sine of 150 degrees is to the ground speed (181.2 knots).

Question: Explain how you would use the result of finding the ground speed to find the course of the airplane.

Answer: 181.2

Explanation: vertical speed of 20.78 knots

new course is (-148, 20.78) = inverse tan (20.78 / - 148) = 172° or 8° N of East at 149.45 knots

New speed ( - 148) ² + (20.28) ² = 149.45 knots round and you get 181.2

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(jacemorris04)