Search results

Hello, how would I do this question? Thanks Explain (using examples) why every acid-base reaction (proton transfer reaction) involves the formation of a co-ordinate covalent bond.

Thanks alot jetblack, now I understand why the solutions said that accel = c-kx (I understood the kx bit, but no clue why it had a c, but now I get it =D)

Hello, could someone please do this for me? Thanks A particle moves in a straight line with retardation which increases uniformly with the distance moved. Initially the retardation is 5ms-2 and when the particle has moved a distance of 12m the retardation is 11ms-2. Find the distance moved by...

The syllabus doesn't explictly state that you need to know how they work. But my Physics teacher said that it's one of those borderlines things so it's better off knowing how they work incase they ask it.

If\ I_n = \int^\frac{\pi}{2}_0 sin^nxcos^2xdx\ for\ n\ge0\ show\ that\ I_{n-1}=\frac{n-1}{n+2}I_{n-2}\ for\ n\ge2 Thanks

How would I do this? Thanks \int \sqrt{x^2+x+1} Thanks

Just do past papers and work harder.

Do past papers.

Our 3U exams seem to be relatively hard. I think the average was around 50% for the half yearlies. Top mark was 93% and I got 2nd at 90%. Then the next highest mark was like 80%. Obviously a nice spread means a hard exam.

Our school makes 2U exams hard for some reason. The 2U half yearly's average was about 55% or something I think.

My teacher did them all and then gave us his solutions =D Too bad I had already done them before he gave them to us.

It's from the last question in the 2003 Ext 1 CSSA as Trebla posted above :)

Divide top and bottom by (cosx)^2 and then let u=tanx

Clearly you did not. Took you nearly a month and half to think of a response... did you say that your IQ was a complex number of form a+ib, where b is real and b=/=0 ?

Hello... Does anyone know any disadvantages of transistors over vacuum valves? I have tonnes of the benefits. Thanks

Well when they sent a C set down the Bankstown Line vandals burned the last two carriages at Villawood. That's why C5 (a set number) only has two carriages, which is always connected to another 4 carriage C set to make it a 6 car consist.

That's not true. Also on the South/Inner West Line C sets (chopper controlled silver cars that are a/c'ed) and Tangaras run on the line. On weekends you'd probably get alot more a/c'ed trains.

True Sector 2 does get Milleniums (the newest fleet on the network) but at the same time, they don't have that many of those trains (there's only like 14 4-car sets, so 7 8 car consists in total, which is what it operates as most of the time). And also, some Milleniums from Sector 2 have been...

P plate drivers false logbooks Although not many, as predicted, there are people that get caught ;)

Uhh anyone?