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dadi_06 dadi_06
wrote...
Posts: 799
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6 years ago
A deflagration has a combustion zone that propagates:
 
  A) faster than the local speed of sound.
  B) slower than the local speed of sound.
  C) approximately at the speed of the average walking adult.
  D) approximately at the speed of the average running adult.
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6 years ago
B
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