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    hello could anyone please look at the attachment with this.. it's the June 11 question paper of mechanics 1.. I had a problem with the very last question in this paper where we were asked to find the time when Q was north west of P. I thought of equating the i and j components from the previous question where they asked us to find PQ. Turns out they did that, but took the negative of the j vector. Could you please explain why that happened?
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  1. File Type: pdf May11 M1 QP.pdf (119.1 KB, 101 views)
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    anyone?
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    Hey,
    have you seen this video, I also did not understand why, but the video helped me.
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    http://www.youtube.com/watch?feature=player_embedded&v=22JubTgfD1M
    You might want to skip to 1:25 for Q7 (C) (ii)
 
 
 

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