Question 2 stunned me as I didn't practice any of those lamina algebraic integration without given y and x, after exam friend told me you use gradient of line and form your y=6-2x/3 equation the use integral (xy) dx/integral y dx. Everything else was eZ just hope i got the non show that questions right aswell
One of the best maths papers I have ever done, completed every quesion and confident that I got almost all of it right. 100UMS would be nice but that was so easy grade boundaries will be high.
Ignoring simple mistakes, I might've got every answer apart from the 9 marker. When it's allowed, please would a genius post/send me a worked solution with how many marks for each step?
Really? I thought June 15 was easier. Specially 6b will throw ppl off
Comparing the two papers :
1) Calculus for Kinematics : S16 easier than the one in S15 involving the trap rule imo
2) COM : unexpected question as they regularly ask for proving the COM of laminas so S16 probably harder
3) Energy in Hookes Law : S15 harder as that involved a spring not a string
4) Horizontal circular motion : practically identical to S15 so both equal
5) COM : again practically identical cone question so both equal
6) Vertical circles : part a) is standard and so is part b) but just worded in a confusing manner. It's the same concept that t must greater than zero at the top, after finding the radius of the new circular motion it was standard. Thought S15 end question was harder as that involved projectiles which I can often make mistakes on.
7) S16 starts of easier but the second part is unexpected as that involves momentum, so overall S16 harder
Overall about the same but this paper was very similar to S15 so if you nailed that before the exam I'd say you were pretty well prepared for this. Just hope that I didn't make any notation mistakes as that could be a grade changer, reckon the boundaries will be quite high for this one.. Sorry for the rant