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How fast, on average, does the gas come out of a rocket's nozzle?

  1. Feb 13, 2012 #1
    For example, in the SSET (Space Shuttle External Tank), how fast does the burnt fuel (liquid hydrogen and oxygen) exit the nozzle at its bottom?
     
  2. jcsd
  3. Feb 13, 2012 #2
  4. Feb 13, 2012 #3

    cjl

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    For a shuttle main engine, about 4300 m/s (if I'm remembering right...). For the solid boosters attached to the shuttle, it's more like 2400 m/s. Most large rocket motors will fall somewhere in this range.
     
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