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-   -   Time required to drop the temperature (https://www.askmehelpdesk.com/showthread.php?t=404211)

  • Oct 9, 2009, 07:14 AM
    thunderboymmt
    Time required to drop the temperature
    Need help- Thermal problem?
    A solid sphere (density p and specific heat capacity c) of radius r at an initial temperature 200K is suspended inside a chamber whose walls are at almost 0K.
    The time required (in micron sec) for the temperature of the sphere to drop to 100K is-

    1) 72/7 rpc/sigma
    2) 7/72 rpc/sigma
    3)27/7 rpc/sigma
    4) 7/27 rpc/sigma
  • Oct 9, 2009, 11:30 AM
    ytrvdj

    Looking for a man

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