A radar station locates a sinking ship at range 15.5 km and bearing 136° clockwise from north. From the same station, a rescue plane is at horizontal range 19.6 km, 147° clockwise from north, with elevation 2.25 km.
a) Write the displacement vector from plane to ship, letting ihatbold represent east, jhatbold north, and khatbold up.
b) How far apart are the plane and ship?