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Could also use particle accelerators as they are faced with relativistic effects of increasing mass when they accelerate particles to near speed velocitieis. That's mass dilation. For time dilation there's muons and the atomic clocks stuff.

14.79 so 14.8 I guess.

~80. Hopefully 81.

The "Complete Solutions" are pretty much right anyway..

Test wasn't that bad. I was able to complete it, although I thought it was a bit long. However I didn't check my answers very well :(

I think I did the same, just worked in a different direction. I used a substitution in A to show it had to be minimum value instead of proving it like that though.

I think you'd need more work for a mark, as it's only worth 2 and one mark might be for answer while the other for the differentiation etc.

The question is worded (IMO) saying yes the root is an apprxiumation however, it is as close as you can get to one decimal place. "Correct to 1 d.p" From the process twice, the root to one decimal is obviously 0.7. I don't mind if they accept 0.8 but they should accept 0.7 as it is the right answer.

3aii - it is between 0.7 and 0.75 therefore to 1dp is just 0.7 dii - you want the smallest l for x is still real. That is b^2 - 4ac > 0 so b^2 > 4ac but we want smallest b^2, occurs when b^2 = 4ac l^2 = 4(12) l = root(48) = 4 root(3) 7bii I did this graphically. Drew a general...

Didn't say once. Just said use the method. After 2 it was closer to 0.7, I said 0.7

Yes, sinAsinB - cosAcosB = - (cosAcosB - sinAsinB)

Is the question a solve for @ and $? I tried to prove LHS = RHS, but it seemed wrong to me. I tried to substitue @ = pi/4 and $ = pi/4 and LHS = 2, RHS = 0. So is it a solve for @ and $?

Q30, projectile / cricket: I think he meant a 50000 Pig. Question 31 Find all real x such that |4x - 1| > 2 sqroot[x( 1-x)]

I'm impressed he has soolutions up already. Made me find some stupid mistakes, yet at the same time confirm some things.. (Eg getting the probability right, that was good :D)

Ah I wasn't talking about faster speeds sorry, but I meant in general usage. For speeds, I recommend Bit Tornado, but BitComet is faster in terms of the way it runs on the computer.

This would have something to do with an extension. Unlikely that internet explorer has a problem. That sounds so ironic =\ Try this program http://www.nirsoft.net/utils/shexview.html And disable all "shell extensions" that have to do with IE.

Nintendo Revolution doesn't seem to have a lot going for it, but it's definately the one I want :) Nintendo = good games. I need Zelda, and so even if it does suck I will buy it for Zelda. Second of all, I dont think Nintendo lies when they say it will revolutionise gaming. The way to look at...

Anyone who uses Azareus should try BitComet. It has a few less features, but is a hell of a lot faster. (Maybe it's just me, but I really hate Java)