Application of vector - answer checking

  • #1

Homework Statement



Two ships, A and B are sailing along straight routes with constant velocities. At 10 o clock morning, ship B is 8 nautical miles from A and its bearing from A is 315°. At 10.15 in the morning, ship B is 6 nautical miles from A and its bearing from A is 320°. Find the direction of velocity B relative to A.

Homework Equations





The Attempt at a Solution



My answer: W30.5°N, but answer given if E30.5°S, what answer do you guys get? :smile:
 

Answers and Replies

  • #2
HallsofIvy
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The given answer, E30.5S is correct. How did you get "W... S"?
 

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