In the figure below the -axis points north, the -axis points east, and the -plane corresponds to the surface of the water. Suppose a boat is at point B, a submarine is 7 units below point S, and a helicopter is 9 units above point H.
  1. Find the displacement vector and the distance from the submarine to the boat.
    Displacement:
    Distance:

  2. Find the displacement vector and distance from the helicopter to the boat.
    Displacement:
    Distance:

  3. Find the displacement vector and distance from the submarine to the helicopter.
    Displacement:
    Distance:

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