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    This is a hard question.
    Find the the coordinates of the point P which is the fixed point on the circumference of a circle of radius  a as it is rolled along the x axis.
    Assume that point P passes through the origin.
    Anyone got any ideas.
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    (Original post by Ano123)
    This is a hard question.
    Find the the coordinates of the point P which is the fixed point on the circumference of a circle of radius  a as it is rolled along the x axis.
    Assume that point P passes through the origin.
    Anyone got any ideas.
    Just look up the cycloid, I'm assuming that's what you mean. https://en.wikipedia.org/wiki/Cycloid
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    (Original post by Ano123)
    This is a hard question.
    Find the the coordinates of the point P which is the fixed point on the circumference of a circle of radius  a as it is rolled along the x axis.
    Assume that point P passes through the origin.
    Anyone got any ideas.
    Not that hard.
    Define some angles and your done.


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    (Original post by physicsmaths)
    Not that hard.
    Define some angles and your done.


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    What about for a cardioid? It seems more difficult.
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    (Original post by Ano123)
    What about for a cardioid? It seems more difficult.
    Yh hat is harder. Lemme have a think.
    Is the cardiod rolling such that contact with pisitive x yeh.


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    (Original post by Ano123)
    This is a hard question.
    Find the the coordinates of the point P which is the fixed point on the circumference of a circle of radius  a as it is rolled along the x axis.
    Assume that point P passes through the origin.
    Anyone got any ideas.
    I do not remember doing anything like this at A level
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    https://books.google.co.uk/books?id=...0axis.&f=false

    This might help for anyone who wants to try.
 
 
 
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