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Math Help - Angular velocity and "first priciple"

  1. #1
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    Angular velocity and "first priciple"

    I hope i've posted this in the right forum.
    I need help with the following:
    http://i259.photobucket.com/albums/h...th-problem.jpg

    To be honest I'm not sure what the question is asking for. I've tried asking my course tutor but he seems reluctant to help me or explain what I need to do. Anyway, I was hoping someone here could explain to me what the question is asking for as I can't seem to make sense of it.

    From what I understand the "first priciple" describes a number of "lesser" formulas that eventually come together to form v=rw. I have some understanding of AS-Level mechanics so I know some formulas such as s=ut+(1/2)atxt etc but, as I've said before, I can't make sense of this problem. Can anyone help?

    Thank you!
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by johnnyturbo3 View Post
    I hope i've posted this in the right forum.
    I need help with the following:
    http://i259.photobucket.com/albums/h...th-problem.jpg

    To be honest I'm not sure what the question is asking for. I've tried asking my course tutor but he seems reluctant to help me or explain what I need to do. Anyway, I was hoping someone here could explain to me what the question is asking for as I can't seem to make sense of it.

    From what I understand the "first priciple" describes a number of "lesser" formulas that eventually come together to form v=rw. I have some understanding of AS-Level mechanics so I know some formulas such as s=ut+(1/2)atxt etc but, as I've said before, I can't make sense of this problem. Can anyone help?

    Thank you!
    What is the relationship between the arc length, the angle swept out by the radius, and the radius of the circle? How can you use this formula to find a speed along the curve?

    -Dan
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  3. #3
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    I would to say I'm glad no one else gets this but I need to try and answer it. Does this make sense to anyone?
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  4. #4
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by johnnyturbo3 View Post
    I would to say I'm glad no one else gets this but I need to try and answer it. Does this make sense to anyone?
    You might try starting here.

    -Dan
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