A boat is heading due east at 23 km/hr (relative to the water). The current is moving toward the southwest at 11 km/hr.

  1. Give the vector representing the actual movement of the boat.
    .

  2. How fast is the boat moving, relative to the ground?
    km/hr.

  3. By what angle does the current push the boat off its due east course? Your answer should be a positive angle less than radians.
    .

You can earn partial credit on this problem.