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A jet airliner moving initially at 300 mi/h due east enters a region where the wind is blowing at 120 mi/h in a direction 31.0 north of east.
A jet airliner moving initially at 300 mi/h due east enters a region where the wind is blowing at 120 mi/h in a direction 31.0° north of east. What is the new velocity of the aircraft relative to the ground?