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wait not for this forum >.< for the distinguished achievers one. but I think we had a few top acheivers :)

approximately 42 Pymble Ladies' College girls!!!! =)

what was question 20 on?? :S I don't remember any of it......

Whilst I agree that your premise is correct - one should have to take into account the distance travelled between light pulses - must also realise that light IS CONSTANT FOR ALL OBSERVERS!!!! Hence the light would be travelling at 3 x 10^8 m/s no matter where the spaceship is going!! and you'd...

I was just wondering: why is it possible for the atoms in a metal crystal to cease vibrating altogether? how does this not contradict Heisenberg's Uncertainty Principle if we are able to know the exact momentum (and I'm assuming we can know its position)??? Thanks in advance!!

We were just taught today that: if you have red and blue light and want to have the same energy per unit area you will need different numbers of photons since E(red) < E(blue). So then to have the same intensity, you need more red photons then blue photons...if intensity is equal to W/m^2...

don't study in the year 11 holidays!! year 11 is for having fun. you shouldn't even study too much in yr 12 holidays...you gotta have a balance. if you do too much study you will just burn out...i have seen people do this and it's not pretty. :)