Relative Velocity: A plane has an eastward heading with an airspeed of 156 m/s. A 20.0 m/s wind is blowing southward at the same time as the plane is flying. The velocity of the plane relative to the ground is
A. 157 m/s at an angle 7.31° south of east.
B. 157 m/s at an angle 7.31° east of south.
C. 155 m/s at an angle 7.36° south of east.
D. 155 m/s at an angle 7.36° east of south.
E. 157 m/s at an angle 7.36° south of east.
Answer: A
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