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The force of attraction between the earth and its artificial satellite in circular orbit is given by F=GMm/x2, where x is the distance of the satellite from the earth's centre, G is a constant, M is the earth's mass, m is the satellite's mass. A 500kg satellite is circling the earth at 4000 km...

I get all of it except how you got the equation of the parabolic slice, whats the method for that?

can you please post your solution?

hehe, is computer eng similar to to elec eng in those terms? What do you guys think?

Using the chain rule: dy/dt=[dy/dx]*[dx/dt] =[3x2+1]*[dx/dt]

^Yeah i know how to do those types of questions, but couldnt get the required answer as below, nor did sasquatch Anyway, i just noticed this property: nCr= nCn-r. So if we use it on: LHS = (n 1)(n n) + (n 2)(n n-1) + (n 3)(n n-2) + .... + (n n)(n 1) For example: (n n)=(n 0), and if its...

hehe yeah extreme cooling: phase change, check XtremeSystems, those guys frequently get those oc-ing world records, with their crazy cooling techniques. Source

lol oh damn. Heres a sweet review of the Core 2 http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2795. Wow its oc'ing ability is looking awesome as well.

Yeps, ill be looking towards a Core 2 based system when i get a new rig at the end of the year as well :) My old rigs have been pretty average so want to go the whole set this time, i want water cooling as well.

yes its screwed. So that method works?

well i was just interested to know, thanks for the link redslert

ok, what kind of theory do you learn in the hardest maths course? And how hard do you think it is actually?

^? Also how far does the level of maths go in comp.eng ?

Help pls kthx :), okay i expanded both sides but i cant campare the coefficients properly as they wont match up like the answer requires, also what would give a coefficient of xn+1 on the RHS?

^lol yeah, its the just because of the 'watered down' physics course in terms of the mathematics involved, otherwise it would be the same as maths.

btw, for Newton's Method, do you guys find it easier to find a general formula even when they dont ask and to use it instead of manually entering the data in the calculator everytime?

thanks, heres another one i cant quite complete yet: By comparing coefficients of xn+1 on both sides of (1+x)n.(1+x)n = (1+x)2n, show that:

Why are you using that ? Thats not part of the question right?

The method is not meant to be the same as in the physics course we do.

How did you get these parts: