The displacements of two ships, A and B, one hour after leaving from the same port can be represented with position vectors = (20, 50, 0) and = (-60, -10, 0) . Assume that the port is located at the origin and that all units are in kilometres. a. How far from the port is each ship? b. The displacement of a bird from the port can be described with the vector (- 65, -8, 0.5). i. How high above the water is the bird? ii. How far from ship B is the bird? c. What will be the position vector of the displacement of ship A from the port 3.5 hours after leaving the port? Assume that the direction and speed of the ship are constant throughout the entire trip.