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well, technically speaking, the space craft itself would have momentum, but the system including the exhaust gases would have zero momentum essentially the momentum out as gases backwards would equal momentum of space craft forwards so you can say net momentum = 0

nope never heard of them what is this english thing you keep going on about

What are English trials? I don't think I've heard of them before? Has anyone else heard of these? Is it like a kind of food? I have no idea what English trials are soz

● Examine traditional ground oven control used by Aboriginal and Torres Strait Islander Peoples ● Explore the physics of traditional tools and instruments, eg didgeridoo lel

Now that English is over, I'm actually looking forwards to the rest of my trials Physicssssssss

TS Eliot

Re: HSC 2016 2U Marathon jk you are right there probably was lel, i've kind of zoned out of the memory now i will update when we get it back lel

lmao

Re: HSC 2016 2U Marathon a, b, c form an AP with a sum of 9 and then in a different order they form a GP (I *think* it was b, c, a) I didn't read that bit, and just thought that a,b,c was an AP and a GP and solved it like above and proved it was 3,3,3 but it wasn't :( oh well, it was out of...

Re: HSC 2016 2U Marathon good lord an almost identical question was in my trial, except there was minor difference in the wording (the sequence was in a different order as a GP and a different order as an AP), but I didn't read it properly and ended up doing basically this working out to...

lol mod b lol.

Trials start tomorrow lol Feel decently prepared for once

Huh, I've never actually considered writing notes explicitly connecting things like that - I might try and rewrite my notes after trials

naw, maybe a little tricky in internals if you have crazy physics teachers but generally speaking projectile is ez pz

probably the easiest part of space

and now I have a whole new set of past papers that I need to do lol I hope the other questions are of similar trickiness lol

space is ez pz moving about is all you need

how many marks is it? generally speaking a question like this is more the non-science part of science subjects, so they'd want you to talk about cost, speed that kind of thing core and cladding are more like the structure, and don't really come into play I would think

fiber optic

The only problem with this is when you write the question down wrong :haha: (has happened way too many times to me actually :cry:)