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Calculate the average speed of water molecules on the surface of Enceladus and the escape velocity.

Calculate the average speed of water molecules on the surface of Enceladus and the escape velocity.  Interpret the results by concluding whether water molecules can escape from the gravitational field of Enceladus.  (Molecular weight of water = 18.0152 amu; mass of Enceladus = 8.4 × 10^19  kg; radius of Enceladus = 250 km; T = 100 K.


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The answer is          v m  (H 2 O)  > v e  .    Therefore, molecules of water can escape from Enceladus.    ... View the full answer

1 comment
  • Thank you for your patience. Any questions or clarification is welcomed.
    • Algebra-genius
    • Jul 20, 2016 at 2:51am

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