A pilot is unaware of a small cross-wind blowing north to south at a speed of 24.9 m/s relative to the ground. According to his compass he is heading directly west at an air speed of 69.0 m/s. What is the speed of the airplane relative to the ground?

Answer rating: 100% (QA)

To solve this problem we can use the Pythagorean theorem a fundamental principle in geometry Here we ... View the full answer