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# Vector Question Watch

1. Some help with this question would be appreciated. ^^

Edit: No calculator allowed
2. (Original post by BananaPie)

Some help with this question would be appreciated. ^^
What have you tried?
3. I've just sketched out a coordinate graph and plotted everything in. Though I'm not quite sure what do to after that. x.x
4. (Original post by BananaPie)
I've just sketched out a coordinate graph and plotted everything in. Though I'm not quite sure what do to after that. x.x
The direction vector of S1 is (10,20), so what does "thrice the speed" mean in this context?
5. r= u(30,60) I presume?
6. Correct me if I'm wrong, but I've calculated the closest point to B along the path that S1 takes is (44,-22). I have no clue if this is correct though =S

Edit: Scrap that, it doesn't seem realistic =S

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