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    http://en.wikipedia.org/wiki/Simple_harmonic_motion

    Scroll down to "Mass on a pendulum"
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    All hail wiki.
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    i remember reading it elsewhere, not in my text book
    so i assume it's not in the specification (?)
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    Surely, for a clock the time period must equal 2? This is because each swing is one second... Using T=2pi*root(L/g) and substituting T=2 you get that the length must be 0.994m?
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    (Original post by oasis13)
    Surely, for a clock the time period must equal 2? This is because each swing is one second... Using T=2pi*root(L/g) and substituting T=2 you get that the length must be 0.994m?
    Yes but then the clock wouldn't lose 1.5 minutes a day would it?
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    (Original post by malolis)
    Yes but then the clock wouldn't lose 1.5 minutes a day would it?
    I was responding to this:
    Using the formula, you end up with L=0.851772... or 0.84822... depending on whether you added or subtracted the time (it doesn't matter which)
 
 
 
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