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vector addition -velocities

A plane is headed eastward at a speed of 156 m/s. A 20 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:

Answer Choices:
157 m/s at an angle of 7.31 degrees south of east
157 m/s at an angle of 7.31 degrees east of south
155 m/s at an angle of 7.36 degrees south of east
155 m/s at an angle of 7.36 degrees east of south

Solution Summary

By the principle of vector addition the particle moving in a plane is illustrated

$2.19