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• Exhaust velocity
  Most real gases will have maximum possible exhaust velocities that fit in this range.
  8 KB (1,440 words) - 04:02, 21 January 2009
• Hohmann trajectory
  ...if the rocket takes longer to accelerate it will spend more time at slower velocities. Since the acceleration is approximately infinite for a Hohmann transfer it ...on burn. If the initial and final orbits are assumed circular, then these velocities are:<br>
  7 KB (1,122 words) - 04:02, 21 January 2009
• Hydrogen
  It is used in nuclear rockets because lighter molecular travel at greater [[velocities]] at a given [[temperature]] and the propellant efficiency of a rocket know
  4 KB (671 words) - 04:02, 21 January 2009
• Kinetic energy
  v_i and v_f are the initial and final velocities, respectively.<br>
  3 KB (506 words) - 04:02, 21 January 2009
• Low Earth Orbit
  ...- 726 miles) above the Earth's surface. These orbits tend to have orbital velocities around 27,400 km/h (8 km/s), making one revolution in about 90 minutes but
  740 bytes (112 words) - 04:02, 21 January 2009
• Scram jet
  ...t cannot be used at each point in the flight because it only works at high velocities within the atmosphere. Other methods of propulsion like the ramjet will be
  3 KB (551 words) - 04:02, 21 January 2009