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-   -   What is the radius of sphere? (https://www.askmehelpdesk.com/showthread.php?t=355344)

  • May 18, 2009, 02:45 PM
    danyzavala
    What is the radius of sphere?
    Consider a concrete sphere of mass 50 kg. Find its radius.
  • May 18, 2009, 02:54 PM
    Perito

    You need the density of concrete.

    density of concrete = approximately 2400 kg/m3 (145 lbs/ft3)



    The volume is found from the radius:



    Plug in the volume, solve for r.

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