Question

The recommended route for boats entering the small harbor of Bong Mines pier at Freeport in Monrovia is as follows: from the northeast side of Bushrod Island proceed on a course of 135 (magnetic) for 1450 m; then alter course to 180 and proceed for 620 m; then alter course to 285 and proceed for 1190 m; finally alter course to 0 and proceed 730 m to reach West Point harbor. What is the displacement vector from Bushrod Island to the harbor? Solve this problem graphically, by making an accurate, large diagram showing the successive displacement vectors.

Answer 1

According to this diagram, the resultant (grey) vector is around 800 m.