# Maths

At 3 pm ship A is 20 nautical miles south west of ship B. Assuming that the y- direction is north and the x-direction is east, the velocities of ships A and B can be expressed in knots in vector form as

Va=(12,+5) Vb=(-8,-9)

(i) Find the velocity of ship B relative to ship A

1. 👍 0
2. 👎 0
3. 👁 68

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