An airplane is flying in a jet stream that is blowing at 45. 0 m/s in a direction 28° south of east. Its direction of motion relative to the earth is 45. 0° south of west, while its direction of travel relative to the air is 11º south of west.
a. What is the airplane's speed relative to the air mass in meters per second?
m/s
b. What is the airplane's speed relative to the Earth in meters per second?