1.a Force 217lb is acting N22°20'E at a point and another is acting N36°30'W at the same point.What is their resultant if it is acting N19°10'W?
2. The bearing of a lighthouse from a ship, 9km from it is N17°E. The ship sails due west and stops. If the bearing now of the lighthouse from the ship is N70°E, how far has the ship sailed?