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In NASA's example of a rocket reaching orbit speed, about how much of its launch weight is propellant?

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  1. About 10 percent
  2. About 50 percent
  3. About 90 percent

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References

  1. NASA Glenn, Ideal Rocket Equation www1.grc.nasa.gov/beginners-guide-to-aeronautics/ideal-rocket-equation Checked 2026-10-10.

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