Compute all parts of given problem:
Problem: A ship sets sail from Rotterdam, The Netherlands, heading due north at 7.00 m/s relative to the water. The local ocean current is 1.52 m/s in a direction 40° north of east.
Part A: What is the velocity of the ship relative to the earth?
Part B: Find the magnitude and the direction N of E?
Please also explain, thank you in advance.