A plane is flying with an airspeed of 245 miles per hour with heading 276.2°. The wind currents are running at a constant 47.2 miles per hour in the direction 266.1°. Find the ground speed and true course of the plane. Apply the rules regarding the use of significant digits after all computations are complete.
A)292 mph with heading 274.6°
B)302 mph with heading 274.6°
C)292 mph with heading 273.8°
D)292 mph with heading 294.6°
E)302 mph with heading 294.6°

Question

Quizplus · Accepted Answer

The ground speed and true course of the plane can be found by vector addition of the plane's airspeed vector and the wind's speed vector. After performing the vector addition and applying the rules regarding significant digits, the correct answer is 292 mph with heading 274.6°.

A Plane Is Flying with an Airspeed of 245 Miles