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Thread: Parabolas

  1. Aug 25th, 2003, 05:11 PM #1
    evexa
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    Parabolas

    Any of you have examples of everyday actions that when recorded graphically, would produce a parabola.

    LIke a ball being thrown at a spacific trajectory.
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  2. Aug 25th, 2003, 06:41 PM #2
    DiGiTaIErRoR
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    Weather.

    Although I'd say it's more of a sine wave.
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  3. Aug 25th, 2003, 10:06 PM #3
    cyborg
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    when throwing anything that floats down into the water it'll "pop" up again with that kind of motion.
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  4. Aug 26th, 2003, 05:40 AM #4
    evexa
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    Ahhh Excellent ideas my mathematically minded friends.
    thank you!
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  6. Aug 26th, 2003, 05:57 AM #5
    plenderj
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    The arch under a bridge, or the orbit of an asteroid/moon/planet
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  7. Aug 27th, 2003, 02:30 AM #6
    krtxmrtz
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  8. Aug 28th, 2003, 03:31 AM #7
    DiGiTaIErRoR
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  9. Aug 29th, 2003, 11:00 AM #8
    nishantp
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    Originally posted by plenderj
    or the orbit of an asteroid/moon/planet
    Wouldn't that be elliptical?
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  11. Aug 29th, 2003, 08:29 PM #9
    evexa
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    Originally posted by nishantp
    Wouldn't that be elliptical?
    Actually there are various types of orbit - the two main ones are elliptical and parabolic.
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  12. Aug 30th, 2003, 05:32 PM #10
    nishantp
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    But if it's a parabola, then it's more of a flyby than an orbit isn't it? I mean I figured an orbit involves at least one full revolution.

    I suppose segments of an elliptical orbit could be defined in terms of parabolas.
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  13. Aug 30th, 2003, 05:46 PM #11
    evexa
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    Originally posted by nishantp
    But if it's a parabola, then it's more of a flyby than an orbit isn't it? I mean I figured an orbit involves at least one full revolution.

    I suppose segments of an elliptical orbit could be defined in terms of parabolas.
    *shrug* its on the Nasa website somewhere.
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