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A magnet was dropped through a plastic tube and the magnet dropped into the hand at t=1.3s. The magnet was then dropped into an equal diameter aluminium tube and then the magnet dropped at t=2.4 s. Part a) already explained Now when the tube was sliced straight down through the middle and the...

- Define gravitational potential energy as the work done to move an object from a very large distance away to a point in a gravitational field. : The movement of an object in a field requires work to be done which requires energy. In a gravitational field, -Gm1m2/r^2 which is actually also...

Check out my post in prelim Guys. Free prelim resources and very useful for maths 2u,3 u, physics and chemistry a lot of resources. Josh wont be back for a while :)

You donot repeat that year.

whichever keeps you off distractions better. Usually typing means less scribbling but writing means less distractions.

Re: HSC 2013 4U Marathon Oh ok. cool i will do this next year for the 2015'ers.

Re: HSC 2013 4U Marathon +1 spiral :) But It would be an overload task so yeh.

Re: HSC 2013 4U Marathon My apologies..u understood correctly: ii) ->OZrot -45 = z cis -pi/4= (2at + iat^2)(1/sqrt(2) - 1/sqrt(2)i) ????

haaha heroic +1 You know everyone so well . its realise , a girl. that unintended pun

Re: HSC 2013 4U Marathon ii) ->OZrot 45 = z cis pi/4= (2at + iat^2)(1/sqrt(2) + 1/sqrt(2)i) ????

Binocircularpolygeometrigonometrinduction And that makes me normal ? :cool2:

In bed?

Re: HSC 2013 4U Marathon Well 96 pages for the 2014 boyz. Yeah. My challenge to u sy123: keep it alive and till the end of 2014 HSC at 200pages I am god of careless mistakes and mind blanks during exams. so much so of a god that coz of me other people that sit nearby me make it too...

Anyways how did much did u kill the mx2 exam>? edit: Kill as in how did u go

Well... not truly so. I enjoy maths but realise takes it do a completely different mode of enjoyment. :speechless:

? :blink2:

+1 for the logic

Dat logic and whats with the signature.... My hate for english -> infinity but finally getting hold of it so hate for english < infinity where infinity=/= infinity and so infinity is a variable integer k -> infinity and is positive since logic is not negative and english is not logical...

Re: HSC 2013 4U Marathon Guys how did it go? The test?

Hey kuro man long time no see. Trust me it is fun. Remember to explore with limits since it makes it much easier. Edit: it short only 5 types of curves, ln (fx), e(fx), f(x) consisting of normal functions such as lf(x)l or lf(lxl)l or sqrt (fx), y^2= f(x), y= sin or cox or tan of (fx), and a...