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Thread: The Universe

  1. #81
    Anglophobiphile Brawny's Avatar
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    SUMF=ma.

    My sister's in algebra...she had to solve for acceleration in that formula AND COULDN'T DO IT.

    She's 14...

  2. #82
    Gaz
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    or F = mv/t

    that equation is actually very important when looking and understanding centrifugal forces
    Mac Expert.

  3. #83
    Senior Member Napalmbrain's Avatar
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    Quote Originally Posted by crazyman2
    F=ma =)
    Time to show off: More precisely, F=dp/dt. F=ma only works if the mass is constant.



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  4. #84
    WiiChat Member crazyman2's Avatar
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    Or F=mv^2/r, very important in understand centripital force



    Quote Originally Posted by Napalmbrain
    [showing off]More precisely, F=dp/dt. F=ma only works if the mass is constant.[/showing off]
    Whats the p? Derivative of what in relation to time?


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  5. #85
    Senior Member Napalmbrain's Avatar
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    Quote Originally Posted by crazyman2
    Whats the p? Derivative of what in relation to time?
    p is momentum (mass times velocity).



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    Quote Originally Posted by AndThen?
    @ROB64 - The longer you spend on this forum, the more you realise that Napalmbrain knows a lot about everything.


  6. #86
    WiiChat Member crazyman2's Avatar
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    aww yes yes. or it could be hc/(no symbol for lambda on my keyboard lol)


    Its not my fault im a fast reader

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  7. #87
    I'm Good at Games Dorkfish's Avatar
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    Quote Originally Posted by Gaz
    or F = mv/t

    that equation is actually very important when looking and understanding centrifugal forces
    PUT PARENTHESES AROUND V/T!!!
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  8. #88
    Senior Member Napalmbrain's Avatar
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    Quote Originally Posted by Dorkfish
    PUT PARENTHESES AROUND V/T!!!
    Actually, it's not vital to do so since there's no way to confuse that particular equation.

    Quote Originally Posted by crazyman2
    aww yes yes. or it could be hc/(no symbol for lambda on my keyboard lol)
    That's energy, and it's for quantum mechanics.



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  9. #89
    I'm Good at Games Dorkfish's Avatar
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    Quote Originally Posted by Napalmbrain
    Actually, it's not vital to do so since there's no way to confuse that particular equation.



    That's energy, and it's for quantum mechanics.
    I know I know, its just a habit of mine to do it when I have a calculator.
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  10. #90
    WiiChat Member crazyman2's Avatar
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    Quote Originally Posted by Napalmbrain
    Actually, it's not vital to do so since there's no way to confuse that particular equation.



    That's energy, and it's for quantum mechanics.

    Aww crap, your right. sheesh you know your stuff. i meant h/(lambda). Derived from Einsteins e=mc^2 equation of course. haha.


    Its not my fault im a fast reader

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