Going by your HSC marks (and tutoring testimonials), you seem to be quite a smart guy, so you may have found your 1st year maths courses easy without attending lectures or tutes, but this does NOT apply for everyone doing engineering (also, not everyone has done 4U maths in school, which is a...
This.
Not this.
Definately wait until lectures start, just don't try to buy textbooks from co-op during lunchtime. Huge lines.
Anyway, if things haven't changed much in the last couple of years (and they may have, hence the waiting until lectures to buy books):
You'll need textbooks for...
OH is the symbol for a hydroxide molecule, so (OH)2 means 2 hydroxides. eg Na(OH)2 - sodium hydroxide - 2 hydroxides are needed to make the compound stable.
4FeS2 + 11O2 = 2Fe2O3 + 8SO2
&
4NH3 + 3O2 = 2N2 + 6H2O
You have to double all coefficiants from what you first think they are so that the oxygen is balanced properly. Thats where many people get confused.
In and out of *phase* refers to waves. Waves that are in phase are aligned...
The answer is 0.3m which has already been explained. I'm going to explain one of the things that is supporting the .192 peoples argument.
Yorky, you said that it is impossible to tell whether an inertial frame of reference is still or moving at a constant velocity. Absolutely true. In this...
Sweet according to the tabulated results above I got 15/15.
Are the 'correct' answers there just the most common ones? or have they been verified by a teacher or something?