A vessel sets out from Hook of Holland, the Netherlands, heading due north at 7.5 m/s relative to the water. The local ocean current is 1.50 m/s in a direction 40.0° north of east. What is the resultant velocity of the vessel?
a) 8.56 m/s at 35.0° north of east
b) 6.30 m/s at 50.0° north of east
c) 9.20 m/s at 20.0° north of east
d) 7.95 m/s at 45.0° north of east
