A kayaker needs to paddle north across a 110-m-wide harbor. The tide is going out, creating a tidal current that flows to the east at 2.0 m/s. The kayaker can paddle with a speed of 3.4 m/s.
In which direction should he paddle in order to travel straight across the harbor?
56.3 west of north
48.2 west of north
41.8 west of north
33.7 west of north