Solve the all parts of given problem:
Problem: A kayaker needs to paddle north across a 120-m-wide harbor. The tide is going out, creating a tidal current that flows to the east at 1.9 m/s. The kayaker can paddle with a speed of 3.0 m/s.
Part A: In which direction should he paddle in order to travel straight across the harbor?
° west of north
Part B: How long will it take him to cross?
s
Please show how you obtained the solution for above problem.