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    Re: Polynomials: Schur-Cohn Criterion.

    Well here's my attempt at the first one.

    $We have the polynomial $ p(x)=x^2 + bx + c $, where $ c $ and $ b $ are real.$

    $Let the roots be $ \alpha, \beta $ such that $ |\alpha| < 1 $ and $...
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    Re: Polynomials: Schur-Cohn Criterion.

    Are the coefficients real?
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    Re: Cool problem of the day!

    Yeah, and it was a lot of fun to do too. I am doing the first one now, so far got the z direction coordinate to be \frac{ln2}{3}
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    Re: Cool problem of the day!

    Is the answer to the first one
    (\frac{\pi}{4},\frac{ln2}{2})
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    Re: A few thoughts on Mathematics

    I had him for discrete this semester, I really liked him.
  6. Thread: eV?

    by IamBread
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    Re: eV?

    As stated above, 1eV = 1.6 x 10^-19 J

    eV stands for electronvolt, it's just another unit of energy, but it is related to an electron. You could use joules, it doesn't matter.
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    Re: Should be easy question

    I'd say sin[(2x+1)y]
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    Re: Help with mechanics question please

    It's not hard, it is fun though, was probably my favourite topic in MX2! When you first look at it, it looks hard, but when you do it it's not really :p
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    Re: UNSW Exams in a Marquee??

    You know it ;)
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    Re: Help with mechanics question please

    25413
    There we go
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    Re: Help with mechanics question please

    I didn't use a diagram lol, that's where the error came in :p
    But I'll draw something up.
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    Re: Help with mechanics question please

    I know what I did wrong....

    fixed it.
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    Re: Help with mechanics question please

    When the car is going down the hill, the forces acting upon it are
    F=mg(\frac{1}{30}) - kv_d^2 \\ $The car is travelling at a constant velocity, and so $ F=0 \\ mg(\frac{1}{30}) = kv_d^2 \\ k =...
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    Re: Help with mechanics question please

    I think I got it, I'll post a solution soon.
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    Re: UNSW Exams in a Marquee??

    Really? O.o
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    Re: UNSW Exams in a Marquee??

    Tents were fine, very warm. I was just in shorts and a t-shirt and I was fine. They have air conditioning running through it to heat/cool the place.
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    Re: Finals coming up >:(

    Q3 was weird. I got an answer for it, but I managed to do all of it in about a page, which leads me to believe something went wrong...
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    Re: UNSW Exams in a Marquee??

    Yep... physics was delayed for an hr..
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    Re: Finals coming up >:(

    Not to bad, question 5 was annoying because it made me draw 5 sin waves -.-

    And it got delayed for an hr for some reason. Something about power failure in some other tents, so we had to wait so we...
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    Re: Finals coming up >:(

    Physics today! Woo!
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    Re: UNSW Exams in a Marquee??

    They are temporary whilst they build the new buildings.
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    Re: UNSW Exams in a Marquee??

    I believe they are temporary structures.
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    Re: Mechanics Freak Out!

    Resolve forces into horizontal and vertical components and you should be fine from there. Which part of mechanics are you struggling with?
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    Re: Finals coming up >:(

    But it's still a camp :( I would have made it fun somehow!
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    Re: Finals coming up >:(

    Either way, you people ruined it for us :cry::cry::cry::cry::cry:
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