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# Mechanics Question Help watch

1. (Original post by Firefox23)
Thanks I've worked it through now, any chance you could help me out with this question if you have time? I've tried to do velocity triangles and I've tried i and j notation but I can't seem to get the right answer. Its question 14.Attachment 464353
Post some working then.

Note the wind comes from the North-West, so it's direction is South-East.
2. (Original post by ghostwalker)
Post some working then.

Note the wind comes from the North-West, so it's direction is South-East.
This is what I tried
3. (Original post by Firefox23)

This is what I tried
Your diagram is incorrect.

The velocity of the plane (relative to ground), , needs to be due North. You have going due North.

You also have the sine rule incorrect for the diagram you've given (angle goes with opposite side to that angle), but correct the diagram first.

Edit: I see you're running another thread with the same topic, so I'll not spend any more time on this.

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