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# Advanced Higher Mathematics of Mechanics 2016 Watch

1. Originally posted in an old thread but decided to start a new one for this year.

Just wondering if anyone has some rough solutions for this year's 2016 AH Mechanics. Here's a link to the paper:https://drive.google.com/file/d/0B3Y...ew?usp=sharing
2. Hi there

Here are my answers to the paper (sorry no workings, so no solutions to 'show that', 'prove' etc. questions)
Anyone have different ones?

1. 8.14ms^-1
2. P=40sqrt(3)-32, Q=40-32sqrt(3)
3. 27 joules
4. y=2x-e
5. Amplitude = 7.55mm, 198 full oscillations
6.b)i) 20
6.b.ii) Straight line
7. Maximum speed=21.3ms^-1, KE increase = 2048J
8.b) 3+1/(x-1)-2/(x+3)+3/(x-2)
9.a) 29
9.b) Coefficient of friction stays same on all of the track.
10.a) (1-5t)/2
10.b)i) 26.6 degrees
10.b.ii) 0.6
11. x-coordinate is 3.2, couldn't work out y in exam
12.a) Speed=86.4kmh^-1, direction=N 15.3 degreesE
12.b)i) Direction of wind now against direction of travel
12.b)ii) 24 or 25 minutes???
13.a) 2570 units cubed (3.s.f)
13.b) 11.3 units
15.b) x=0.25e^(-4t)-0.05e^(-20t)
15.c) 0.16m
16.b) 48.2 degrees
17.a)ii) sqrt(5gr)
17.b) 5r/3

3. Hey guys!

I've come across this example in my mechanics textbook... And I'm so confused... I really don't get the working, not even the first line! Could someone possibly point out to me what's going on at each step? Many thanks in advance (HAHA LOL, geddit? ;p) Seriously though, stressing out if this is a very simple concept that I just can't seem to see !

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Updated: December 11, 2016
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