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Math Help - Volume, center of a mass and moment of inertia of a reqular square pyramid

  1. September 2nd 2010, 05:49 PM #1
    taurine330
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    Volume, center of a mass and moment of inertia of a reqular square pyramid

    Hi,

    In this problem I have a regular square pyramid (base length a , height b) and it's spun about its axis symmetry of z.

    How do I find it's Volume?

    And center of mass?

    How about the moment of intertia of the pyramid?

    Thank you for your help as I've been stuck with this for while.




    Volume, center of a mass and moment of inertia of a reqular square pyramid-pyramid.bmp



    I know it needs to be divided into sub-bodies and then use integral.
    Last edited by mr fantastic; September 5th 2010 at 12:10 PM. Reason: Merged posts
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