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Re: Why is g = +9.8 in the g-force and acceleration formula when gravity acts downwar Thanks :)

thanks :)

*chosen direction is upwards :spzz:

I've always been confused between the two! :(

I would drop english extension

Subject selections are coming up soon! How risky is it to do 11 units? :S I want to do 12 units but I hear the workload is pretty stressful. And on top of that you need to be managing your time well - something I'm bad at.. What do you guys think?

Ok it's easier if there's an example lol Say you need to find the empirical formula for magnesium oxide Method 1. Weight empty crucible and record results 2. Set up the apparatus according to the diagram (draw one lol) 3. Add magnesium sample into crucible after sanding it to remove any...

I figured it out! thanks for the help guys ^_^

y = x all over the sqrt(x^2 + 1) How do you know which is the best rule to use? Because you can use both product and quotient rule in this eg :S Thanks!! :D

Yeah kind of :) ..but is it possible to determine it graphically using gradients and perpendicular lines?

Using radius and tangent theorems... Thanks!! :)

Thank you for the replies! :)

Lul yes its from cambridge

(a + b + c)(ab + bc + ca) - abc = (a + b)(b + c)(c + a) Can anyone show the full working out? My algebra stinks. After working it out, I got up to here, now what? :( LHS = ab( a + b) + ac (a + c) + bc (b + c) + 2abc

You can wear your school uniform if you don't have any idea what to wear for mufti For mufti, hmm keep it casual and comfortable. If you're going to buy your school uniform there, you might want to wear something easy to slip off and on LOL.

I got this from a tutor sheet

Sorry if it's in the wrong section i didn't know it was in mx2 :/ Carrotsicks can you explain? How do you form the polynomial?

If α and β are the roots of x2 = 5x - 8, find ³√α + ³√β without finding the roots. Anyone know how to do this?