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M3 relative motion help

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1. Hi guys, i have done all of this question except part b.iii if anyone can show me the working it would be much appreciated as i dont know where to start.

Many Thanks
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2. (Original post by JxxxjoexxxJ)
Hi guys, i have done all of this question except part b.iii if anyone can show me the working it would be much appreciated as i dont know where to start.

Many Thanks
See diagram.

Red arrow is velocity of Q relative to P. You can use that to work out the angle x.

Then you want the distance "d".

3. (Original post by ghostwalker)
See diagram.

Red arrow is velocity of Q relative to P. You can use that to work out the angle x.

Then you want the distance "d".

Okay Thank you I think i have got it, do you have the answer so i can check I got it right?
4. (Original post by JxxxjoexxxJ)
Okay Thank you I think i have got it, do you have the answer so i can check I got it right?
It's going to be 2 sin x, which is

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