1, A ferryboat crosses a river from a point P to a point Q across the river. The width of the river is CO0 m. The ferry boat can travel at a speed of BO m/s relative to the water and the river is flowing at A m/s. a. Determine the heading (direction) the captain of the ferryboat should set to cross the river from the point P to the point Q. b. Determine the speed of the ferryboat relative to shore. c. Determine how long is the trip from P to