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Physics Kinematics Level: High School

The velocity of the wind relative to the water is crucial to sailboats . Suppose a sailboat is in an ocean current that has a velocity of 2.20 m/s in a direction 30 degrees east of north relative to the earth . It encounters a wind that has a velocity of 4.50 m/s in a direction of 50 degrees south of west relative to earth . What is the velocity of the wind relative to the water ?