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    Florida nightclub shooting: 50 killed and 53 injured in 'act of terror'

    I don't wish to get involved in this argument, but I can't help but say that it is extremely idiotic to make the sweeping generalisation that there are NO non-islamic school shootings or acts of terrorism. If you would actually bother to research you would see that there have been various...
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    General Thoughts: Physics

    But for it to move at a constant velocity it would need to be pushed/pulled by a constant force. Otherwise friction would cause it to slow down and hence not move with a constant velocity. You could therefore argue that that constant force continued after the magnetic field of the permanent...
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    General Thoughts: Mathematics Extension 1

    Someone uploaded somewhere on the first page of this thread.
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    Back EMF help

    Thanks a ton.
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    Back EMF help

    Could someone please explain the whole concept of back EMF. I know it rises as a result of Lenz's law and the law of conservation of energy, but I'm now sure how to explain it in detail. Also, I know that back EMF opposes supply, but what are the states and why does back EMF initially...
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    Forget to write student numbers on an additional booklet.

    That may be true in some schools. However, in my examination room there were about 150 students, and every single paper was checked by the supervisors. Also, someone else stated in a similar thread that all booklets that arrive to the marking centre have to be assigned to a person. There's also...
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    Forget to write student numbers on an additional booklet.

    Don't the supervisors individually check and collect all papers? I am pretty confident they would have asked you to write your student and centre numbers if you had forgotten to.
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    2015 Paper 1 thoughts???

    There's already a thread for this, under 2015 HSC exams.
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    Another ATAR ESTIMATE (SORRY)

    Thanks for the estimate, but I'm a bit skeptical. Would my atar really be that high? I thought english and maths would drag me down.
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    Another ATAR ESTIMATE (SORRY)

    @Ss622 That is 10 units. 4 maths + 2 English + 2 phys +2 chem
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    Another ATAR ESTIMATE (SORRY)

    School rank- Varies between 15-25 usually English Advanced- 60/140 Maths Extension 1- 50/110 Maths Extension 2-30/55 Physics -20/65 Chemistry-25/105 So, as the title suggests, could I please get an ATAR estimate? (BTW ranks probably seem a bit too even, i know, but these are very...
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