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# Edexcel - M3 - 18th May 2016 watch

1. (Original post by tiny hobbit)
Assuming that you mean a solid cone, use the standard formula for the volume of a solid, using the line y = rx/h

This gives the distance from the vertex.
No sorry I meant shell, not solid shapes. Also if you have time can you please assess my working?
2. (Original post by BBeyond)
How many papers u done?
Probabky like 4-5 but still need to do more as im still doing stupid stuff atm
3. (Original post by samb1234)
Probabky like 4-5 but still need to do more as im still doing stupid stuff atm
Thats M3 for ya, most annoying module ever.
Suvats in circular motion are annoyin g af. Always make some numerical error.

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4. (Original post by physicsmaths)
Thats M3 for ya, most annoying module ever.
Suvats in circular motion are annoyin g af. Always make some numerical error.

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Yeah they could at least make it so the time has a relatively nice solution instead of like 0.317536832
5. (Original post by samb1234)
Yeah they could at least make it so the time has a relatively nice solution instead of like 0.317536832
Haha ikr.

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6. (Original post by Ayman!)
Assuming your reaction force/tension is in terms of an arbitrary angle, it's just T = 0 (when string goes slack - won't happen for a rod) or R = 0. June 13 and June 13 R is are good examples.

Could you do me a favour and tell me which ones between 2002 and 2005 are worth doing once you get started, if it's not too much trouble?
(Original post by samb1234)
Leaves when R=0, then it's just a projectile question
Thanks I got the hang of it now

So far I've done June 2002, Jan and June 2003 and found them to be easier than last yrs exams.
7. So is everyone reasonably confident? I'm getting A*'s for most papers, but some questions do give me a headache.

How are you guys feeling?
8. (Original post by samb1234)
Yeah they could at least make it so the time has a relatively nice solution instead of like 0.317536832
(Original post by physicsmaths)
Haha ikr.

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Did the paper and got 70/75. Damn, that was one ugly quadratic. I messed up 1(b) of all things.
9. (Original post by Ayman!)
Did the paper and got 70/75. Damn, that was one ugly quadratic. I messed up 1(b) of all things.
10. (Original post by Ayman!)
Did the paper and got 70/75. Damn, that was one ugly quadratic. I messed up 1(b) of all things.
So did I I messed up 1b aswell.

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11. (Original post by Ayman!)
Did the paper and got 70/75. Damn, that was one ugly quadratic. I messed up 1(b) of all things.
Lol yeah it was ugly. Wouldn't mind a paper like that tbh, at least i don't need very high so doesn't matter too much
12. How many marks would STEP III 2004 Q10 be for finding the accelerations?
13. june 2012 is an awkward paper.
14. (Original post by physicsmaths)
june 2012 is an awkward paper.
lol yep, fiddly. I got my script back from last year when I did M3 and it turned out that all 5 marks I lost were due to rounding errors or alike
15. (Original post by Foutre en L'air)
How many marks would STEP III 2004 Q10 be for finding the accelerations?
Looks roughly like 10/12 marks. Did you mean to put this in the STEP Prep thread?
16. (Original post by Zacken)
Looks roughly like 10/12 marks. Did you mean to put this in the STEP Prep thread?
Well it is M3 so..
17. (Original post by physicsmaths)
june 2012 is an awkward paper.
Are you resitting M3 this year?
18. (Original post by Foutre en L'air)
Are you resitting M3 this year?
yeh they entered me by accident but it was my only B (bar S2) so i thought i might aswell revise for it makes afm a*easier.
19. Whats the displacement for b one
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Attached Images

20. (Original post by SOREN_TORETTO)
Whats the displacement for b one
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It has the same centre of oscillation after it's been struck

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