1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Bearing Problem

  1. Jun 6, 2007 #1
    1. The problem statement, all variables and given/known data
    A boat is moving with constact velocity -1 + 6j.
    Find the direction in which the boat is moving, giving your answer as a bearing.


    3. The attempt at a solution

    [​IMG]
    Alpha is the bearing I want right?
    In the mark scheme it says 351, its this because they take the bearing in an Anti Clockwise motion. The angle next to Alpha is 9 degrees by the way (rounded).

    However, I always thought you ALWAYS take bearings in a clockwise motion?

    Can someone please clear up my confusion?

    Bearing seems to be my main weak point in Mechanics, and the test is tommorow :|.
    Thanks in advance!

    P.S: If you're doing the velocity of A relative to B. You minus B from A?
     
  2. jcsd
  3. Jun 6, 2007 #2
    you want alpha + 180.
     
  4. Jun 7, 2007 #3
    bearing are taken to be CCW
    that is why u need alpha only not 180+alpha
    also if u want an exact answer try using arctan

    and velocity of A relative to B is A-B (yes u minus B from A) but use vector subtraction!!!
     
    Last edited: Jun 7, 2007
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: Bearing Problem
  1. Ball bearing problem (Replies: 4)

Loading...